Unisys Printer EFP9800 User Manual
Unisys e- ction  
@
Slip, Validation, and Receipt  
Printer  
EFP9800 Series  
Owner’s Guide  
UNISYS  
©2000 Unisys Corporation.  
All rights reserved.  
Printed in USA  
November 2000  
3255 4073–002  
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Contents  
Section 1  
About the EFP9800 Printer  
Features and Options....................................................1–3  
Receipt Station Features ............................................1–3  
Journal Station Features.............................................1–3  
Slip/Validation Station Features...................................1–3  
General Features .......................................................1–4  
Options.....................................................................1–4  
Maintaining and Cleaning the Printer.............................1–4  
Ordering Paper and Supplies ........................................1–5  
Receipt/Journal Paper................................................1–5  
Slips and Forms ........................................................1–5  
Other Supplies...........................................................1–6  
Documentation..........................................................1–6  
Section 2  
Operating the Printer  
Using the Controls ........................................................2–1  
Changing Paper............................................................2–2  
Changing Receipt Paper .............................................2–3  
Removing the Old Receipt Paper Roll ....................2–4  
Loading the New Receipt Paper Roll......................2–5  
Changing Receipt/Journal Paper..................................2–6  
Removing the Printed Journal...............................2–6  
Loading the New Receipt/Journal Paper Roll..........2–7  
Verifying Checks...........................................................2–8  
Printing on Slips and Checks.......................................2–11  
Validating Slips and Checks ........................................2–13  
Changing the Ribbon Cassette ....................................2–14  
Replacing the Printhead..............................................2–16  
Adjusting the Paper Low Sensor..................................2–16  
Procedure...............................................................2–17  
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Contents  
Section 3  
Diagnostics and Print Tests  
Level 0 Diagnostics ......................................................3–1  
Level 1 Diagnostics ......................................................3–2  
Information About DIP Switch Settings .........................3–2  
Switch Entry Mode.....................................................3–4  
Choose a Printer Emulation..................................3–5  
Set Internal Switch Pack Values in NVRAM .............3–7  
EFP9800 ESC/POS Internal Switch Pack Settings  
(Includes Epson ESC/POS)..........................3–9  
Ithaca Peripherals Proprinter Internal Switch Pack  
Settings..................................................3–11  
NCR 5021 Internal Switch Pack Settings  
(Serial Interface Units Only) ......................3–12  
EF4270 Internal Switch Pack Settings ............3–13  
Flash Download Mode ..............................................3–17  
Data Scope Mode....................................................3–19  
Enter Data Scope Mode.....................................3–19  
Exit Data Scope Mode.......................................3–21  
Enabling or Disabling the Cover Open Switch..............3–21  
Verifying Read of MICR Characters ............................3–23  
Checking MICR Noise Level.......................................3–25  
Selecting the Font for the MICR Check Reader............3–26  
Diagnostic Print Tests.................................................3–28  
Print Configuration Information..................................3–28  
Continuous Slip Printing............................................3–29  
Print Each Character in the ASCII Character Set..........3–30  
General Print Test....................................................3–31  
Sample of Configuration Printout...............................3–32  
Adjusting the Printhead Gap......................................3–33  
Section 4  
When Something Goes Wrong  
Printer Not Operating ...................................................4–2  
Indicators Showing a Problem.......................................4–3  
Printer Does Not Feed Receipt/Journal Paper...............4–3  
Carriage and Paper Jams.............................................4–4  
Slips, Forms, or Checks Not Feeding Properly ..............4–4  
Slips, Forms, or Checks Skew When Feeding into the  
Printer .....................................................................4–5  
Some Dots are Missing.................................................4–5  
Ribbon Tears or Frays More Quickly Than Expected......4–5  
Overall Print is Light or Smudged .................................4–6  
Other Serious Problems................................................4–7  
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Contents  
Getting Service.............................................................4–7  
Section 5  
Communication  
Interfaces.....................................................................5–1  
Sending Commands......................................................5–1  
Using DOS to Send Commands...................................5–1  
Using BASIC to Send Commands ................................5–2  
RS-232C Interface........................................................5–2  
RS-232C Interface Protocols.......................................5–2  
XON/XOFF Protocol ............................................5–3  
DTR/DSR Protocol..............................................5–4  
RS-232C Interface Connectors....................................5–4  
RS-232C Communication Connector Pin  
Assignments .............................................5–4  
RS-232C 9-Pin to 9-Pin Communication Connector  
Pin Assignments........................................5–4  
RS-232C 25-Pin (Host Computer) to 9-Pin  
Communication Connector Pin Assignments .5–5  
Power Cable Connector Pin Assignments ..............5–6  
Cash Drawer Connector Pin Assignments..............5–6  
Parallel Interface..........................................................5–7  
Parallel Interface Connectors ......................................5–7  
Parallel Communication Connector Pin  
Assignments .............................................5–7  
Power Cable Connector Pin Assignments ..............5–8  
Cash Drawer Connector Pin Assignments..............5–9  
Setting Switches .........................................................5–10  
Section 6  
EFP9800 ESC/POS Commands  
List of EFP9800 ESC/POS Commands ..........................6–1  
EFP9800 ESC/POS Command Descriptions ..................6–4  
Printer Function Commands........................................6–4  
Horizontal Tabs: Skip to Next Tab Stop.................6–5  
Standard Mode ..............................................6–5  
Page Mode....................................................6–5  
Line Feed...........................................................6–5  
Standard Mode ..............................................6–5  
Page Mode....................................................6–5  
Eject Slip ...........................................................6–6  
Standard Mode ..............................................6–6  
Page Mode....................................................6–6  
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Carriage Return ..................................................6–6  
Standard Mode ..............................................6–6  
Page Mode....................................................6–6  
Cancel Print Data in Page Mode............................6–7  
Set Right-Side Character Spacing .........................6–7  
Standard Mode ..............................................6–7  
Page Mode....................................................6–8  
Select Print Mode(s)............................................6–8  
Select Print Mode(s) (for Windows™ Printer  
Drivers)...................................................6–10  
Set Absolute Starting Position ............................6–10  
Standard Mode ............................................6–11  
Page Mode..................................................6–11  
Set Line Spacing to Default Spacing ...................6–11  
Standard Mode ............................................6–11  
Page Mode..................................................6–11  
Set Line Spacing...............................................6–12  
Standard Mode ............................................6–12  
Page Mode..................................................6–12  
Return Home....................................................6–12  
Select Peripheral Device....................................6–13  
Initialize Printer .................................................6–13  
Set Slip Eject Length.........................................6–14  
Set Horizontal Tab Positions ..............................6–14  
Print and Feed Paper.........................................6–15  
Standard Mode ............................................6–15  
Page Mode..................................................6–15  
Select Page Mode.............................................6–16  
Select Print Direction in Page Mode ....................6–17  
Set/Cancel Uni-Directional Printing......................6–18  
Standard Mode ............................................6–19  
Page Mode..................................................6–19  
Set Printing Area in Page Mode ..........................6–19  
Set Relative Print Position ..................................6–21  
Standard Mode ............................................6–21  
Page Mode..................................................6–21  
Select Justification............................................6–22  
Select Print Paper(s)..........................................6–22  
Select Paper(s) For Setting Line Spacing .............6–23  
Select Paper Sensor(s) to Stop Printing...............6–24  
Enable/Disable Paper Feed Button......................6–25  
Print and Feed n Lines.......................................6–25  
Standard Mode ............................................6–25  
Page Mode..................................................6–25  
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Contents  
Set Slip Waiting Time ........................................6–25  
Generate Pulse.................................................6–26  
Release ...........................................................6–26  
Select Head Energizing Time..............................6–27  
Set Left Margin.................................................6–27  
Set Fundamental Calculation Pitch ......................6–28  
Set Printable Area Width....................................6–28  
Print Characteristics Commands ...............................6–29  
Select/Cancel User-Defined Character Set...........6–29  
Define User-Defined Characters..........................6–30  
Set/Cancel Underline ........................................6–34  
Cancel User-Defined Characters .........................6–35  
Set/Cancel Emphasized Mode............................6–35  
Set/Cancel Double-Strike Mode..........................6–36  
International Character Set.................................6–36  
Set/Cancel 90 Degree Clockwise Rotation......6–39  
Select Character Code Table .............................6–39  
Set/Cancel Upside Down Printing .......................6–39  
Graphics Commands................................................6–40  
Select Bit Image Mode ......................................6–40  
Define Downloaded Bit Image.............................6–42  
Print Downloaded Bit Image ...............................6–43  
Printer Status Commands.........................................6–44  
Transmit Peripheral Device Status ......................6–45  
Transmit Paper Sensor Status............................6–46  
Transmit Printer ID............................................6–47  
Enable/Disable Automatic Status Back (ASB) .......6–48  
Identifying Auto Status Back Bytes Transmitted by  
the Printer...............................................6–53  
Transmit Status................................................6–54  
Real Time Commands ..............................................6–57  
Real Time Status Transmission...........................6–58  
Real Time Request to Printer..............................6–62  
Bar Code Commands...............................................6–64  
Select Printing Position of HRI Characters (Receipt  
Station)...................................................6–64  
Select Pitch of HRI Characters (Receipt Station)...6–64  
Select Height of Bar Code (Receipt Station).........6–64  
Print Bar Code (Receipt Station) .........................6–65  
First Variation: String terminated with NULL  
Character ...............................................6–66  
Second Variation: Length of Byte Specified at  
Beginning of String ..................................6–67  
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Contents  
Select Horizontal Size of Bar Code (Receipt  
Station)...................................................6–68  
Page Mode .............................................................6–69  
Overview..........................................................6–69  
Limitations .......................................................6–70  
Command Settings in Both Modes......................6–71  
Processing the Data in the Page.........................6–71  
Examples of Printing in Page Mode.....................6–74  
Flash Memory Commands ........................................6–76  
Copy Downloaded Object to Flash Memory..........6–76  
Disable Loading the Object to RAM When Powering  
on the Printer ..........................................6–77  
Enable Loading the Object When Powering on the  
Printer ....................................................6–78  
Copy the Object from Flash Memory to External RAM6–78  
Section 7  
Ithaca Peripherals Proprinter Emulation Commands  
List of Ithaca Peripherals Proprinter Emulation  
Commands ..............................................................7–1  
Ithaca Peripherals Proprinter Emulation Command  
Descriptions.............................................................7–4  
Printer Function Commands........................................7–4  
Open Cash Drawer 1...........................................7–4  
Open Cash Drawer 2...........................................7–5  
Horizontal Tab ....................................................7–5  
Line Feed...........................................................7–5  
Vertical Tab........................................................7–5  
Advance to Top of Next Form...............................7–6  
Carriage Return ..................................................7–6  
Clear Printer.......................................................7–6  
Perform Validation: Open Forms Compensation  
Assembly..................................................7–6  
Perform Validation: Close Forms Compensation  
Assembly..................................................7–7  
Perform Validation: Close Forms Compensation  
Assembly When Slip Sensed .......................7–7  
Set Line Spacing to 1/8 Inch................................7–7  
Set Fine Line Spacing (n/216 Inch) .......................7–7  
Set Fine Line Spacing (n/72 Inch) .........................7–7  
Set Line Spacing to 1/6 Inch................................7–8  
Set Form Length in Inches ...................................7–8  
Set Form Length in Lines.....................................7–8  
Set Horizontal Tab Positions ................................7–9  
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Contents  
Fine Line Feed ....................................................7–9  
Uni-Directional/Bi-Directional Print.......................7–10  
Print Characteristics Commands ...............................7–10  
Set Single Line Double-Wide...............................7–11  
Original Character Size .................................7–11  
Doubled Character Size ................................7–11  
Set 17.2 Characters/Inch..................................7–11  
Set 10 Characters/Inch.....................................7–12  
Cancel Single Line Double-Wide..........................7–12  
Cancel Underlining ............................................7–12  
Set Underlining.................................................7–13  
Select Alternative Character Set.........................7–13  
Select Character Set (Code Page 437)................7–13  
Set 12 Characters/Inch.....................................7–13  
Set Emphasized Printing....................................7–14  
Cancel Emphasized Printing...............................7–14  
Set Enhanced Printing .......................................7–14  
Cancel Enhanced Printing ..................................7–14  
Set Superscript ................................................7–15  
Set Subscript ...................................................7–15  
Cancel Subscript/Superscript ............................7–15  
Cancel Double-Wide for Current Font...................7–15  
Set Double-Wide for Current Font........................7–16  
Graphics Commands................................................7–16  
Format of the Data Stream for Graphics..............7–16  
Single-Density Graphics .....................................7–18  
Double-Density, Half-Speed Graphics...................7–18  
Double-Density, Normal Speed Graphics..............7–18  
Quadruple Density Graphics...............................7–19  
Cash Drawer Status Commands................................7–20  
Cash Drawer Status ..........................................7–20  
Section 8  
NCR 5021 Printer Emulation Commands  
List of NCR 5021 Emulation Commands........................8–1  
NCR 5021 Emulation Command Descriptions................8–3  
Printer Function Commands........................................8–3  
Line Feed...........................................................8–3  
Carriage Return ..................................................8–3  
Reset ................................................................8–4  
Open ................................................................8–4  
Close ................................................................8–5  
Reset Character RAM..........................................8–6  
Read Slip Sensor ................................................8–6  
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Open Forms Compensation Assembly...................8–6  
Close Forms Compensation Assembly...................8–7  
Reprint After Media Jam.......................................8–7  
Echo ................................................................8–8  
Write Device Control Memory...............................8–8  
Print Characteristics Commands ...............................8–12  
Cancel Double-Wide...........................................8–13  
Set Double-Wide................................................8–13  
Set Interline Spacing .........................................8–13  
Printer Status Commands.........................................8–13  
Read Status .....................................................8–13  
Read Tallies......................................................8–14  
Read and Clear Tallies.......................................8–15  
Section 9  
EF4270 Emulation Commands  
List of EF4270 Emulation Commands ...........................9–1  
EF4270 Command Descriptions....................................9–4  
Printer Function Commands........................................9–4  
End of Text ........................................................9–4  
Line Feed...........................................................9–5  
Vertical Tab........................................................9–5  
Eject Slip ...........................................................9–5  
Carriage Return ..................................................9–5  
Setup Parameters...............................................9–6  
Reset Printer ......................................................9–7  
Cash Drawer 1 ...................................................9–7  
Cash Drawer 2 ...................................................9–7  
Document Clamp Open........................................9–8  
Self Test............................................................9–8  
Document Validation............................................9–8  
Receipt/Journal Print...........................................9–8  
Document Clamp Close.......................................9–9  
Form Eject .........................................................9–9  
Download...........................................................9–9  
Form In..............................................................9–9  
Select9–10  
Either Form-In Sensor........................................9–10  
Both Form-In Sensors........................................9–10  
Busy Until Buffer Empty.....................................9–10  
Clamp Delay.....................................................9–11  
Print Speed ......................................................9–11  
Buffered Validate ..............................................9–11  
Buffer Clear......................................................9–12  
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Contents  
Repeat Character..............................................9–12  
Wait for Slip .....................................................9–12  
Cancel Slip Waiting............................................9–13  
Print Characteristics Commands ...............................9–13  
Double-Wide Font..............................................9–13  
Double-Wide Off................................................9–13  
Character Set...................................................9–14  
Underline Print..................................................9–16  
Underline Off ....................................................9–16  
Double-High Off.................................................9–16  
Double-High Font...............................................9–16  
Pitch Selection .................................................9–17  
Upside-Down Off...............................................9–18  
Upside-Down Print.............................................9–18  
Rotate Font 90 Degrees Clockwise or Cancel  
Rotated Print...........................................9–18  
Graphics Commands................................................9–19  
Graphics..........................................................9–19  
Graphics: 5 Dot................................................9–21  
Printer Status Commands.........................................9–22  
Status: 3 Bit.....................................................9–22  
Status: 6 Bit.....................................................9–23  
Status: 7 Bit.....................................................9–24  
Status-Firmware................................................9–24  
Section 10 Flash Download Commands  
List of Flash Download Commands..............................10–2  
Flash Download Command Descriptions ......................10–3  
Put the Printer in Flash Download Mode...............10–3  
Request Printer Identification..............................10–3  
Request Flash Identifier .....................................10–4  
Select Sector to Download ................................10–4  
Request Retransmission of Last Response ..........10–4  
Check CRC ......................................................10–4  
Return Microprocessor CRC...............................10–5  
Set Emulation...................................................10–5  
Request Current Emulation ................................10–5  
Write EEROM Switches......................................10–6  
Read EEROM switches.......................................10–7  
Write EEROM Parameter....................................10–8  
Read EEROM Parameter....................................10–9  
Erase the Flash ROM.........................................10–9  
Return CRC of Selected Flash Sector..................10–9  
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Contents  
Erase Selected Sector.....................................10–10  
Download Sector ............................................10–10  
Reboot the printer...........................................10–11  
Section 11 MICR Commands and Parsing  
MICR Commands........................................................11–1  
Read MICR Data and Transmit............................11–1  
Define Parsing Format, Save in NVRAM ...............11–1  
Reread MICR Data.............................................11–2  
Define Parsing Format, Do Not Save Permanently 11–2  
MICR Parsing .............................................................11–2  
Parsing Parameter String Options..............................11–3  
Variable Length Fields........................................11–3  
Other Parameters .............................................11–4  
Sample Parsing Formats...........................................11–5  
ESC w p 18 A <CR> .........................................11–5  
ESC w p 18 X A <CR> ......................................11–5  
ESC w p 18 x A <CR>.......................................11–5  
ESC w p 018 A <CR> .......................................11–6  
ESC w p 018 X A <CR> ....................................11–6  
ESC w p 018 x A <CR>.....................................11–6  
ESC w p T 18 X A 04C <CR> ............................11–6  
ESC w p K9 X T 18 X A 04C <CR>.....................11–6  
ESC w p T '/ A '/ C '/ S <CR> ...........................11–7  
Notes.....................................................................11–8  
Check Serial Number ...............................................11–9  
Parsing the Check Serial Number .......................11–9  
Exceptions .....................................................11–10  
Loading the Exception Table ............................11–11  
Exception Table Entry Format .................................11–11  
Example 1......................................................11–12  
Example 2......................................................11–13  
Maintaining the Exception Table...............................11–13  
Appendix A Specifications  
Printing Specifications......................................................1  
EFP9800 ESC/POS (Includes Epson ESC/POS Emulation). 2  
Ithaca Peripherals Proprinter Emulation........................... 2  
NCR 5021 Emulation .................................................... 3  
EF4270 Emulation ........................................................ 3  
Print Zones.......................................................................4  
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Contents  
Receipt and Journal Print Zones ..................................... 4  
Validation Print Zone ..................................................... 5  
Slip Print Zone.............................................................. 8  
MICR Read Zone.............................................................. 8  
Dimensions...................................................................... 9  
Power Requirements...................................................... 10  
Environmental Requirements ......................................... 10  
Reliability ...................................................................... 10  
Character Sets .............................................................. 11  
Code Page 437 (PC US).............................................. 11  
Code Page 850 (PC Multilingual)................................... 12  
Code Page 852 (Eastern European).............................. 13  
Code Page 865 (Nordic Languages) ............................. 14  
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Section 1  
About the EFP9800 Printer  
The EFP9800 printer is a fast, quiet, reliable, and very compact multiple-  
function printer. It prints receipts and a journal, validates and prints checks,  
and prints on a variety of single- or multiple-part slips. An additional option is  
the Magnetic Ink Character Recognition (MICR) check reader with parsing  
which reads account numbers on checks for easy verification.  
The industry-standard RS-232C and IEEE 1284 bi-directional parallel  
communication interfaces allow the EFP9800 to be connected to any host  
computer. The EFP9800 provides the following emulations: Epson 370/375  
printers (included in the EFP9800 ESC/POS commands), Ithaca Peripherals  
Proprinter emulation, NCR 5021 printer, (Serial Interface Only) and the EF4270  
printer. These emulations provide easy integration into applications written for  
these printers and emulations.  
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About the EFP9800 Printer  
Note: A Running Change acoustic noise reduction enhancement was  
released for the EFP9840 and EFP9841 serial interface units. This  
Running Change incorporates a new solenoid clamp assembly and a  
revised controller PCBA to further reduce acoustical noise. The  
change was incorporated into factory production starting at serial  
number 5108 67054. All EFP9840 and EFP9841 units with serial  
numbers 5108 67054 and above will have the acoustic enhancements.  
The new solenoid assembly has a bumper added to the plunger to  
reduce noise. This new solenoid requires a new lower case and  
therefore cannot be installed in The EFP9840 and EFP9841 units  
below serial number 5108 67054.  
The revised PCBA incorporates a modified print head pin firing  
scheme. The PCBA fires the pins in staggered pairs to reduce  
acoustical noise. This new PCBA is fully backward compatible with  
previous style EFP9800’s.  
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About the EFP9800 Printer  
Features and Options  
The EFP9800 printer comes with a variety of standard features, and can be  
configured with several options.  
Receipt Station Features  
•
Standard/compressed pitch (host computer selectable): 11.6 to 16.8  
characters per inch, 33-51 columns (ESC/POS)  
•
•
Drop in paper loading, requires no spindle  
Paper Status indicator light (LED) (adjustable)  
Journal Station Features  
•
Standard/compressed pitch (host computer selectable): 11.6 to 16.8  
characters per inch, 33-51 columns (ESC/POS)  
Automatic paper loading, requires no spindle or threading  
Autograph table  
•
•
Slip/Validation Station Features  
•
Standard/compressed pitch (host computer selectable): 11.6 to 16.8  
characters per inch, 33-51 columns (ESC/POS)  
•
•
Up to 14 lines of validation printing (at 7.2 lines per inch) (ESC/POS)  
Printing of slips up to five-parts thick, up to a total thickness of .014 inches  
(the receipt is included as one or two of the parts depending if it is one-ply  
or two-ply)  
•
•
Top insertion of validation forms with slip stop  
Side insertion of slips with override of slip stop and automatic alignment of  
slip  
•
•
Front insertion of slips with override of slip stop and automatic alignment  
of slip  
Slip In indicator light (LED)  
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About the EFP9800 Printer  
General Features  
•
Industry standard RS-232C communication interface or IEEE 1284 parallel  
bi-directional communication interface  
•
NVRAM (Non-Volatile memory) to store customer configuration and  
historic data  
•
•
•
Cash drawer connector  
Online LED  
Cover open switch  
Options  
•
Magnetic Ink Character Recognition (MICR) check reader built into the slip  
station for verifying checks (includes custom MICR field parsing)  
•
•
Remote power supply  
EFP9800-SW1 software utilities  
Maintaining and Cleaning the Printer  
There is no customer maintenance required for the EFP9800 printer. However,  
you may occasionally clean the cabinet as needed to remove dust and finger  
marks. Use any household cleaner designed for plastics, but test it first on a  
small, unseen area. The cabinet finish and materials are durable and are  
resistant to cleaning solutions, lubricants, fuels, cooking oils, and ultraviolet  
light.  
If the receipt paper bucket is dirty, wipe it with a clean, damp cloth.  
Caution  
Do not spray or try to clean the printhead or the inside of the printer with any  
kind of cleaner as this may damage the printhead or the electronics.  
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About the EFP9800 Printer  
Ordering Paper and Supplies  
The following section lists the paper , supplies, and documentation available for  
order.  
Receipt/Journal Paper  
Item  
Type  
Number  
40-1004-874  
One-Ply  
Receipt or journal  
150 feet  
Two-Plies  
Receipt/journal  
95 feet  
40-1005-871  
Slips and Forms  
The EFP9800 printer prints on single- or multiple-part slips in the slip station.  
Slips must meet the following requirements (the receipt is included as one or  
two of the parts depending if it is one-ply or two-ply):  
Minimum Slip Size  
2.75 inches (69.8 mm) wide by 5.0 inches (127 mm) long  
Or  
5.0 inches (127 mm) wide by 2.75 inches (69.8 mm) long  
Maximum Slip Size  
Total thickness  
8.5 inches (215.9 mm) wide by 11.69 inches (297 mm) long  
Single-part slips: 0.003 inches (0.076 mm) (minimum)  
Multiple parts: 0.014 inches (0.355 mm) (maximum—includes the  
receipt)  
Number of parts  
Up to a maximum of five parts (the receipt is included as one or two  
parts)  
Note: If card stock is present, it should be the bottom part. If  
multiple-part slips are used, the double-strike mode must be  
used to ensure that all parts are printed on clearly. Contact  
your sales representative to order slips and forms.  
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About the EFP9800 Printer  
Other Supplies  
Contact your sales representative to order the supplies listed below.  
Item  
Type  
Number  
Ribbon Cassettes  
Purple ribbon cassette  
Black ribbon cassette  
04-9815-988  
04-9816-986  
75-2087-908  
Power Supply  
Documentation  
Contact your sales representative to order the following documentation:  
Title  
Unisys Number  
Unisys e-@ction Slip, Validation, and Receipt EFP9800  
Series Owner’s Guide  
3255 4073  
Unisys e-@ction Slip, Validation, and Receipt EFP9800  
Series Installation and Operation Guide  
3255 4065  
3255 4081  
Unisys e-@ction Slip, Validation, and Receipt EFP9800  
Series Servicing Guide  
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Section 2  
Operating the Printer  
This section includes information about operating the printer controls, loading  
paper and ribbon cassettes, replacing the printhead, and working with slips,  
forms, and checks.  
Using the Controls  
The EFP9800 printer includes the following buttons:  
•
•
Paper Feed button used to advance paper.  
Reset button used to initialize the printer.  
Caution  
Pressing the Reset button initializes the printer, causing any downloaded fonts  
to be lost.  
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Operating the Printer  
Changing Paper  
The EFP9800 features simple paper loading that is quick and efficient, saving  
both time and paper.  
Caution  
Do not operate the printer if it runs out of paper. The printer will continue to  
operate, but data may be lost and the printhead may be damaged.  
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Operating the Printer  
Changing Receipt Paper  
Note: Use these instructions if you are printing receipts only. If you are  
printing both receipts and a journal (record of transactions), or a  
journal only, see “Changing Receipt/Journal Paper” later in this  
section.  
Note: All EFP9800 Series printers have a receipt journal take up spool  
assembly factory installed that is not always required or utilized by  
the client.  
If the receipt take up assembly is not used, an occasional noise will  
occur as the take up roller assembly rotates.  
The receipt take up spool has a spring-loaded roller that allows easy  
loading. However, if the receipt take up capability is not being used  
the spring loaded roller shaft will spring upwards and hit the printer  
top cover once per revolution.  
In cases where the receipt take up assembly is not being used it can  
be secured in a closed position so that it will not hit the top cover  
during printing to eliminate the occasional nuisance noise.  
A small piece of tape or a rubber band can be used to keep the take up  
roller assembly in a closed position at all times.  
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Operating the Printer  
Removing the Old Receipt Paper Roll  
1. Open the rear cover.  
2. Open the clamshell.  
3. Remove the used receipt paper roll.  
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Operating the Printer  
Loading the New Receipt Paper Roll  
1. Drop the new roll into the bucket and pull out several inches.  
2. Lay the end of the paper out over the top of the slip table, then close the  
rear cover and the clamshell.  
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Operating the Printer  
Changing Receipt/Journal Paper  
Note: Use these instructions if you are printing both receipts and a journal  
(record of transactions) or a journal only. If you are printing  
receipts only, see “Changing Receipt Paper” earlier in this section.  
Removing the Printed Journal  
1. Open the rear cover.  
2. Tear the paper off below the last journal entry.  
3. Open the clamshell.  
4. Slide the printed journal off the take-up core and set it in a safe place.  
5. Remove the paper core or remainder of the roll.  
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Operating the Printer  
Loading the New Receipt/Journal Paper Roll  
1. Drop the new receipt/journal roll into the bucket and pull out about 10  
inches (25 cm) of paper.  
The paper should not extend farther than the back of the printer cabinet.  
2. Close the clamshell.  
3. Place the end of the journal ply between the halves of the take-up assembly.  
If you are printing a journal only, continue with step 4.  
If you are printing both receipts and a journal, position the top paper ply so  
that it extends over the top of the slip table.  
4. Press the paper feed button to wind the paper onto the take-up assembly.  
5. Close the rear cover.  
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Operating the Printer  
Verifying Checks  
Follow this procedure to verify checks on printers with the MICR check reader  
option. The printer’s Magnetic Ink Character Reader (MICR) check reader reads  
the magnetic ink characters on the check in order for the host computer to  
verify that the check is good.  
Note: Verify the check before you validate it. For more information, see  
“Validating Slips and Checks” later in this section.  
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Operating the Printer  
1. Insert the check from the front, face up, with the MICR characters to the  
right, as shown.  
2. Slide the check toward the back of the printer along the right side until it  
covers both sensors.  
The Slip In LED turns on when both sensors are covered, indicating that the  
check is inserted properly. The printer reads the magnetic characters on the  
check.  
Note: Do not hold or keep the check from moving during the MICR  
check reader transaction or the check numbers will not be  
read accurately.  
3. Follow any instructions from the host computer.  
Once the check has been verified, the printer may then print the date,  
payee, and amount on the check, depending on the host computer software.  
For more information, see “Printing on Slips and Checks” on the next page.  
4. Remove the check after it has been fed all the way back out.  
5. Follow the instructions from the host computer to finish the transaction, if  
provided.  
6. To validate the check, follow the procedures in “Validating Slips and  
Checks” later in this section.  
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Operating the Printer  
Printing on Slips and Checks  
There are several types of transactions for which you may print on a slip or  
check. These include some credit card transactions, merchandise return forms,  
electronic funds transfers and check printing (printing the date, payee, and  
amount on the check).  
The EFP9800 can print on slips and forms up to five-parts thick (the receipt is  
included as one or two of the parts depending if it is one-ply or two-ply). For  
more information on the types of slips and forms you can use, see “Ordering  
Paper and Supplies” in section 1.  
Note: Do not use this procedure for validation or check verification. See  
“Verifying Checks” on the previous page, and “Validating Slips and  
Checks” on the next page.  
1. Insert the slip/check from the front, placing it on the slip table first, with  
the side to be printed face up.  
2. See the illustration for an example of how to insert a check. Use the same  
procedure for any type of slip.  
You may also insert the slip/check from the side. In this case, insert the  
slip/check at an angle with the side to be printed facing you, and then rotate  
it until it is vertical. See the illustration.  
3. Slide the slip/check to the right until it lines up against the wall.  
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Operating the Printer  
4. Position the slip/check so that the top is protruding from the top of the  
printer.  
The Slip In LED flashes green. When the slip/check is inserted properly, the  
Slip In LED is lit steadily.  
Depending on your printer setup, the printer may automatically begin  
printing, or you may have to perform the action programmed for your  
printer, such as pressing a particular keyboard key. Follow the instructions  
from the host computer.  
5. Remove the slip/check once it is fed back out and then follow the  
instructions from the host computer to finish the transaction.  
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Operating the Printer  
Validating Slips and Checks  
The EFP9800 can print on slips and forms up to five-parts thick (the receipt is  
included as one or two of the parts depending if it is one-ply or two-ply). For  
more information on the types of slips and forms you can use, see “Ordering  
Paper and Supplies” in section 1.  
Follow this procedure to validate slips and checks.  
Note: Do not use this procedure for check verification. See “Verifying  
Checks” earlier in this section.  
Be sure to insert the slip or check properly to ensure printing in the correct  
locations. Insert standard size slips and checks from the top, using the slip stop  
to position them correctly.  
1. Insert the slip/check from the top, with the side to be printed facing you as  
shown in the illustration.  
2. Slide the slip/check into the printer until it meets the slip stop and to the  
right until it lines up against the wall.  
The Slip In LED flashes green. When the slip/check is inserted properly, the  
Slip In LED is lit steadily.  
3. Depending on your printer setup, the printer may automatically begin  
printing, or you may have to perform the action programmed for your  
printer, such as pressing a particular keyboard key. Follow the instructions  
from the host computer.  
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Operating the Printer  
4. Remove the slip/check once it is fed back out and then follow the  
instructions from the host computer to finish the transaction.  
Changing the Ribbon Cassette  
Change the ribbon cassette when the print is too light or the ribbon is frayed.  
1. Open the cassette cover.  
2. Slide the carriage assembly (assembly that holds the printhead) to the  
center of the printer.  
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Operating the Printer  
3. Pull the used ribbon cassette out of the printer and discard it.  
Be careful not to bump or damage the Form Out sensor while you remove  
the ribbon cassette.  
4. Snap in the new ribbon cassette, and close the cassette cover.  
Caution  
Do not remove the mylar shield on the ribbon cassette. It protects against  
smudging. The ribbon cassette will be ruined if it is removed.  
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Operating the Printer  
Replacing the Printhead  
The impact printhead is extremely reliable. However, it may need to be changed  
depending on the use of the printer. Printhead replacement is required if it is  
tearing or fraying the ribbon, or if some dots print lighter than others. Call a  
service representative for printhead replacement.  
Adjusting the Paper Low Sensor  
Before adjusting the paper low sensor, make sure the power is off. Place the  
printer on a level surface or adjust it while mounted on the host computer. Do  
not apply pressure to the top of the printer while making adjustments.  
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Operating the Printer  
Procedure  
The paper low sensor lights the paper low/out LED when the paper roll is  
almost empty.  
You can raise or lower the paper low sensor assembly to change the amount of  
paper left on the roll when the sensor lights the paper low/out LED. Raise the  
assembly by turning the screw counterclockwise to signal paper low earlier  
(more paper left on the roll). Lower the assembly by turning the screw  
clockwise to signal paper low later (less paper left on the roll).  
You need a Phillips head screwdriver to make this adjustment.  
1. Open the rear cover.  
2. Turn the screw on the paper low assembly to raise or lower the sensor,  
changing the amount of paper that will be left on the roll when the sensor  
activates the paper status LED.  
3. See the table for more information.  
4. Close the cover.  
Paper Low Sensor Setting  
Amount of Paper Left  
Factory Setting  
8
5 feet  
Screw turned 1 revolution  
clockwise  
5.5 feet less paper (before  
sensor is activated)  
Screw turned 1 revolution  
counterclockwise  
5.5 feet more paper (before  
sensor is activated)  
Screw turned all the way down  
(clockwise)  
Paper Low Sensor disabled  
Note: These settings are based on the Receipt-Journal printer using two-ply  
paper and the Receipt printer using one-ply paper. If paper is used  
with different number of plies than specified, the information in the  
table will not be accurate.  
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Section 3  
Diagnostics and Print Tests  
The following diagnostic tests are available for the EFP9800:  
•
•
•
Level 0 Diagnostics: Performed during the startup cycle and each time the  
printer is reset.  
Level 1 Diagnostics: Performed using DIP switches or the Paper Feed  
button.  
Diagnostic Print Tests.  
Level 0 Diagnostics  
The printer automatically performs Level 0 diagnostics each time it is turned on.  
Level 0 diagnostics include the following:  
•
•
•
•
•
•
All motors and solenoids are turned off.  
Microprocessor timing is checked.  
Firmware ROM is tested.  
On board and external RAM are checked.  
If this test succeeds, the green Online LED flashes once.  
If this test fails, Level 0 diagnostics stop. The printer becomes inactive: the  
printhead does not home, the red Paper Status and the green Slip In LED’s  
turn on, and the printer is unable to communicate with the host computer.  
•
•
Printhead is homed. If this action fails, a fault condition occurs.  
Status of all sensors is checked and status bytes are updated.  
If this is the first time that the printer is turned on, or if a new NVRAM has been  
installed, the default values for the printer functions and tests are loaded into  
NVRAM during Level 0 diagnostics. To change the printer functions and tests,  
use Level 1 diagnostics. For more information, see “Level 1 Diagnostics” on the  
next page.  
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Diagnostics and Print Tests  
If both the red Paper Status and the green Slip In LED’s are steadily illuminated,  
it is an indication that the NVRAM has failed.  
When the last step of the Level 0 diagnostics is complete, the Paper Feed button  
is enabled and the printer is ready for normal operation.  
If the printer does not complete Level 0 diagnostics, the LED’s flash to indicate  
the problem. See “Getting Service” in section 4.  
Level 1 Diagnostics  
Level 1 diagnostics are selected using the DIP switches or the Paper Feed  
button. During Level 1 diagnostics, the printer is not communicating with the  
host computer. The diagnostics are described in this order:  
•
•
•
•
•
•
•
•
Switch Entry Mode  
Internal Switch Pack Values in NVRAM  
Flash Download Mode  
Data Scope Mode  
Verifying Read of MICR Characters  
Checking MICR Noise Level  
Selecting the Font for the MICR Check Reader  
Diagnostic Print Tests  
Information About DIP Switch Settings  
To run Level 1 diagnostics, use the DIP switches to change settings. See the  
following illustration for the location of the switches on the EFP9800 printer.  
Keep these points in mind when using the DIP switches:  
To turn a DIP switch on, push it down. To turn a DIP switch off, push it up.  
The settings can only be changed when the printer is about to enter Level 1  
diagnostics. Switch 1 must be set to On, and switch 2 set to Off.  
The default options are set at the factory and are stored in non-volatile memory  
or NVRAM (also called EEROM). After the settings have been changed and  
stored in NVRAM, the DIP switches must be set back to the normal settings for  
the printer to operate. For a list of normal settings, see “Setting Switches” in  
section 5.  
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Diagnostics and Print Tests  
After changing the DIP switch settings, cycle the printer by pressing the Reset  
button off and then on again. The green Online LED flashes when the printer  
cycles.  
Caution  
If you are changing the switch settings for a function or test, be sure you  
choose the correct settings to avoid accidentally changing the settings for  
another function or test. If you do accidentally change the settings, use the  
switch settings shown in the tables throughout this section to change those  
settings back, or return to the normal settings. For a list of normal settings,  
see “Setting Switches” in section 5. If you need assistance, contact a service  
representative. For more information, see “Getting Service” in section 4.  
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Diagnostics and Print Tests  
Switch Entry Mode  
Use Switch Entry mode to set the printer emulation or the internal switch pack  
values in NVRAM.  
Note: For an alternate method to set the emulation and switch settings, see  
“Section 10: Flash Download Commands.”  
The EFP9800 printer can emulate the following printers and emulations:  
•
Epson ESC/POS (370/5) printer  
Note: This emulation is included in the EFP9800 ESC/POS  
commands.  
•
•
•
Ithaca Peripherals Proprinter emulation  
NCR 5021 printer (EFP984x Serial Interface Units Only)  
EF4270 printer  
Note: The EFP9800 FLASHADMIN software utility can also be used for  
emulation and internal DIP switch configuration. This utility is  
included in the EPF9800-SW1 style package.  
The EFP9800 printer has one set of DIP switches, while some of the emulated  
printers have two or more sets. You can enter values for the extra switch packs  
into “internal switch packs” stored in NVRAM.  
Note: Secure the roller assembly in a closed position to eliminate the  
nuisance noise from occurring when the take-up assembly is not  
being used.  
All procedures completed in Switch Entry mode include two steps:  
•
•
First, tell the printer what you want to do—either choose an emulation or  
choose an internal switch pack value. (For example, choose the Ithaca  
Peripherals Proprinter emulation or internal switch pack 2.)  
Second, enter the value for the operation—either the specific printer  
emulation or the values for the internal switch pack.  
Both steps are completed by setting the DIP switches. During the first step, the  
Slip In LED is on. During the second step, the Slip In LED is off.  
Once you’ve finished setting options in Switch Entry mode, turn off the printer  
and set the DIP switches back to the settings for the appropriate  
communication protocol. The options you set in Switch Entry mode are stored  
in “internal switch packs” in NVRAM until you change them.  
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Diagnostics and Print Tests  
Use the diagnostics print tests to print the name of the emulation which is  
currently active and the settings of the NVRAM switch packs. See “Diagnostics  
Print Tests” later in this section for information about running the tests.  
Choose a Printer Emulation  
Caution  
The DIP switches are set at the factory to predetermined settings. Change the  
settings carefully to avoid changing other functions. Run the Diagnostic Print  
Tests to see what emulation the printer is set for. For more information, see  
“Diagnostic Print Tests” later in this section.  
1. Turn the printer off.  
2. Turn the printer to the back to access the DIP switches and write down the  
current switch settings.  
3. To put the printer into Switch Entry mode, set the DIP switches to the  
following settings:  
Switch  
1
Switch  
2
Switch  
3
Switch  
4
Switch  
5
Switch  
6
Switch  
7
Switch  
8
ON  
ON  
OFF  
OFF  
OFF  
OFF  
OFF  
OFF  
4. Turn the printer back on.  
The printer is now in Switch Entry Mode as indicated by the green Online  
LED and the red Paper Status LED flashing. The green Slip In LED may be  
on or off, depending on your input at the time.  
5. To indicate to the printer that you are choosing a printer emulation, set all  
of the DIP switches to Off.  
6. Press the Paper Feed button.  
The green Slip In LED turns off.  
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Diagnostics and Print Tests  
7. Set the DIP switches to the settings for the printer or emulation you want to  
emulate:  
Emulation  
Switch Switch Switch Switch Switch Switch Switch  
Switch  
8
1
2
3
4
5
6
7
EFP9800  
OFF  
OFF  
OFF  
OFF  
OFF  
OFF  
OFF  
OFF  
ESC/POS*  
IPI  
OFF  
OFF  
OFF  
OFF  
OFF  
OFF  
ON  
OFF  
Proprinter  
Emulation  
NCR 5021Ž  
OFF  
OFF  
OFF  
OFF  
OFF  
OFF  
OFF  
OFF  
OFF  
OFF  
OFF  
OFF  
OFF  
ON  
ON  
ON  
EF4270  
* The EFP9800 ESC/POS includes Epson ESC/POS (in order to  
emulate the Epson 370/5 printer).  
Ž For use with EFP984x Serial Interface Units Only  
8. Press the Paper Feed button.  
The green Slip In LED turns on. The printer emulation you selected is  
stored in NVRAM.  
9. Turn the printer off and reset the DIP switches to what they were when you  
started.  
For normal operation settings, see “Switch Settings” in section 5.  
10. Turn the printer back on.  
Use the print test to print the name of the emulation which is currently active  
and the settings of the NVRAM switch packs. See “Diagnostics Print Tests” later  
in this section for information about running the tests.  
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Diagnostics and Print Tests  
Set Internal Switch Pack Values in NVRAM  
Once you’ve chosen the emulation (in the previous section), you can specify  
various printer functions by setting the switches on “internal switch packs.”  
Caution  
The DIP switches are set at the factory to predetermined settings. Change the  
settings carefully to avoid changing other functions.  
1. Turn the printer off.  
2. Turn the printer to the back to access the DIP switches and write down the  
current switch settings.  
3. To put the printer into Switch Entry mode, set the DIP switches to the  
following settings:  
Switch  
1
Switch  
2
Switch  
3
Switch  
4
Switch  
5
Switch  
6
Switch  
7
Switch  
8
ON  
ON  
OFF  
OFF  
OFF  
OFF  
OFF  
OFF  
4. Turn the printer back on.  
The printer is now in Switch Entry Mode as indicated by the green Online  
LED and the red Paper Status LED flashing. The green Slip In LED may be  
on or off, depending on your input at the time.  
5. Set the DIP switches according to the following table to select the internal  
switch pack you want to use.  
See the tables in the following four sections to determine the switch pack  
you need for the emulation you have already chosen:  
•
•
•
•
“EFP9800 ESC/POS Internal Switch Pack Settings”  
“Ithaca Peripherals Proprinter Internal Switch Pack Settings”  
“NCR 5021 Internal Switch Pack Settings”  
“EF4270 Internal Switch Pack Settings”  
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Diagnostics and Print Tests  
Switch  
Pack  
Switch  
1
Switch  
2
Switch  
3
Switch  
4
Switch  
5
Switch  
6
Switch  
7
Switch  
8
1
2
3
4
OFF  
OFF  
OFF  
OFF  
OFF  
OFF  
OFF  
OFF  
OFF  
OFF  
OFF  
OFF  
OFF  
OFF  
OFF  
OFF  
OFF  
OFF  
OFF  
OFF  
OFF  
OFF  
OFF  
ON  
OFF  
ON  
ON  
OFF  
ON  
ON  
OFF  
OFF  
6. Press the Paper Feed button.  
The green Slip In LED turns off.  
7. Set the DIP switches to the settings on the switch pack for the emulation  
you have already chosen.  
8. Use the tables in the following four sections (as listed under number five  
above).  
9. Press the Paper Feed button.  
The green Slip In LED turns on. The internal switch pack and switch  
settings you chose are stored in NVRAM.  
10. Turn the printer off and reset the DIP switches to what they were when you  
started.  
For normal operation settings, see “Setting Switches” in Section 5.  
11. Turn the printer back on.  
12. Repeat this procedure to select settings on a different switch pack.  
You can print out a listing of the settings you’ve chosen using the diagnostic  
print tests. For more information, see “Diagnostic Print Tests” later in this  
section.  
Use the print test to print the name of the emulation which is currently active  
and the settings of the NVRAM switch packs. See “Diagnostic Print Tests” later  
in this section for information about running the tests.  
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Diagnostics and Print Tests  
EFP9800 ESC/POS Internal Switch Pack Settings (Includes Epson ESC/POS)  
EFP9800 ESC/POS Emulation: Internal Switch Pack 1  
Switch  
Settings Description  
1
OFF  
ON  
Print “?” for data error.  
Ignore data error.  
2
OFF  
ON  
4K byte communication data buffer.  
40 byte data buffer.  
3-8  
Unused.  
EFP9800 ESC/POS Emulation: Internal Switch Pack 2  
Switch  
Settings Description  
1
OFF  
ON  
No display module connected (default).  
No display module connected (same as ON).  
2
3
Unused.  
OFF  
ON  
Busy on buffer full or offline (default).  
Busy on buffer full.  
4-8  
Unused.  
EFP9800 ESC/POS Emulation: Internal Switch Pack 3, Switch 1  
Switch  
Settings Description  
1
OFF  
ON  
Set default Epson line spacing to 7.2 lines per inch (paper saving  
mode).  
Set default line spacing to 6 lines per inch.  
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Diagnostics and Print Tests  
EFP9800 ESC/POS Emulation: Internal Switch Pack 3, Switches 2 and 3  
Switch 2 Switch 3 Description  
OFF  
OFF  
ON  
OFF  
ON  
Epson 40/33 character print zone (2.506 inches wide).  
Epson 42/35 character print zone (2.506 inches wide).  
Unisys 42/35 character print zone (3.024 inches wide).  
Unisys 51/42 character print zone (3.024 inches wide).  
OFF  
ON  
ON  
EFP9800 ESC/POS Emulation: Internal Switch Pack 3, Switches 4 and 5  
Switch  
Settings Description  
4
OFF  
ON  
Set the standard mode slip/validation right margin to 0.53 inches  
(Epson Compatible). This only applies if switch 2 is OFF (2.506 inch  
print zone). Center the print zone for standard mode. Right margin set  
to 0.113 for 3.024 inch print zone or to 0.372 for 2.506 inch print  
zone.  
5
OFF  
ON  
Set the page mode slip/validation right margin to 0.53 inches  
(Epson compatible).  
Center the print zone for page mode. Right margin set to 0.372  
inches.  
EFP9800 ESC/POS Emulation: Internal Switch Pack 3, Switches 6 and 7  
Switch 6 Switch 7 Description  
OFF  
OFF  
ON  
OFF  
Selects 14 lines (7.2 lines per inch) available when validation is  
selected.  
ON  
Selects 10 lines (7.2 lines per inch) available when validation is  
selected.  
OFF  
ON  
Selects 6 lines (7.2 lines per inch) available when validation is  
selected.  
ON  
Selects 4 lines (7.2 lines per inch) available when validation is  
selected.  
3–10  
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Diagnostics and Print Tests  
EFP9800 ESC/POS Emulation: Internal Switch Pack 3, Switch 8  
Switch  
Settings Description  
8
Unused.  
Ithaca Peripherals Proprinter Internal Switch Pack Settings  
Ithaca Peripherals Proprinter Emulation: Internal Switch Pack 1, Switches 1, 2, 3, and 6  
Switch  
Settings  
Description  
1
OFF  
ON  
If slip is detected, both slip feed and receipt/journal feed advance.  
If slip is detected, only the slip feed advances.  
Note: If slip is not detected, then only the receipt/journal feed  
advances.  
2
3
Unused.  
OFF  
ON  
No automatic line feed.  
Printer automatically inserts line feed.  
6
OFF  
ON  
10 Characters/Inch character pitch permitted.  
10 Characters/Inch character pitch not permitted.  
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Diagnostics and Print Tests  
Ithaca Peripherals Proprinter Emulation: Internal Switch Pack 1, Switches 4 and 5, 7 and 8  
Switch 4  
OFF  
Switch 5  
OFF  
Sets Receipt Paper Length  
5.5 inches.  
OFF  
ON  
8.5 inches (default).  
11 inches.  
ON  
OFF  
ON  
ON  
14 inches.  
Switch 7  
OFF  
Switch 8  
OFF  
Selects Code Page  
ESC 6 selects Code Page 850, PC Multilingual.  
ESC 7 selects Code Page 437, PC US.  
OFF  
ON  
ON  
ON  
OFF  
ON  
ESC 6 selects Code Page 852, Eastern European.  
ESC 7 selects Code Page 437, PC US.  
ESC 6 selects Code Page 865, Nordic Languages.  
ESC 7 selects Code Page 437, PC US.  
Unused.  
NCR 5021 Internal Switch Pack Settings (Serial Interface Units Only)  
NCR 5021 Emulation: Internal Switch Pack 1  
Switch  
Settings  
Description  
1
OFF  
ON  
Selects three lines of validation.  
Selects six lines of validation.  
2
OFF  
ON  
If slip is detected, both slip feed and receipt/journal feed advance.  
If slip is detected, only the slip feed advances.  
Note: If slip is not detected, then only the receipt/journal feed  
advances.  
3–12  
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Diagnostics and Print Tests  
EF4270 Internal Switch Pack Settings  
EF4270 Emulation: Internal Switch Pack 1, Switches 1 and 2  
Switch Settings Description  
OFF Auto Line Feed OFF.  
1
ON  
Auto Line Feed ON.  
2
Unused.  
EF4270 Emulation: Internal Switch Pack 1, Switches 3 and 4  
Switch 3 Switch 4 Description  
OFF  
ON  
OFF  
OFF  
ON  
Set Receipt (Journal) line spacing to 8.0 lines/inch.  
Set Receipt (Journal) line spacing to 6.9 lines/inch.  
Set Receipt (Journal) line spacing to 6.0 lines/inch.  
Set Receipt (Journal) line spacing to 5.3 lines/inch.  
OFF  
ON  
ON  
EF4270 Emulation: Internal Switch Pack 1, Switches 5 and 6  
Switch 5 Switch 6 Description  
OFF  
ON  
OFF  
OFF  
ON  
Set Slip (Validation) line spacing to 8.0 lines/inch.  
Set Slip (Validation) line spacing to 6.9 lines/inch.  
Set Slip (Validation) line spacing to 6.0 lines/inch.  
Set Slip (Validation) line spacing to 5.3 lines/inch.  
OFF  
ON  
ON  
EF4270 Emulation: Internal Switch Pack 1, Switches 7 and 8  
Switch  
Settings Description  
7
8
Unused.  
OFF  
ON  
Set RTS (Request to Send) Polarity to -12v (MARK). Set RTS Polarity to  
+12v (SPACE).  
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Diagnostics and Print Tests  
EF4270 Emulation: Internal Switch Pack 2, Switches 1, 2, and 3  
Switch 1 Switch 2 Switch 3 Description  
OFF  
ON  
OFF  
OFF  
ON  
OFF  
OFF  
OFF  
OFF  
ON  
Set pitch to 33 characters/line.  
Set pitch to 36 characters/line.  
Set pitch to 40 characters/line.  
Set pitch to 44 characters/line.  
Set pitch to 50 characters/line.  
Set pitch to 57 characters/line.  
Set pitch to 66 characters/line.  
Unused.  
OFF  
ON  
ON  
OFF  
ON  
OFF  
OFF  
ON  
ON  
OFF  
ON  
ON  
ON  
ON  
EF4270 Emulation: Internal Switch Pack 2, Switches 4, 5, and 6  
Switch 4 Switch 5 Switch 6 Description  
OFF  
ON  
OFF  
OFF  
ON  
OFF  
OFF  
OFF  
OFF  
ON  
Set character set to USA.  
Set character set to UK.  
Set character set to German.  
Set character set to French.  
Set character set to Italian.  
Set character set to Spanish.  
Set character set to Hebrew.  
Unused.  
OFF  
ON  
ON  
OFF  
ON  
OFF  
OFF  
ON  
ON  
OFF  
ON  
ON  
ON  
ON  
EF4270 Emulation: Internal Switch Pack 2, Switches 7 and 8  
Switch  
Settings Description  
7
OFF  
ON  
Validation clamp open.  
Validation clamp closed.  
8
Unused.  
3–14  
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Diagnostics and Print Tests  
EF4270 Emulation: Internal Switch Pack 3, Switches 1, 2, and 3  
Switch  
Settings Description  
1
OFF  
ON  
Concurrent print disabled. (When the slip feeds, the paper roll does not  
necessarily also feed.)  
Concurrent print enabled. (When the slip feeds, the paper roll also  
feeds.)  
2
3
Unused.  
Unused.  
EF4270 Emulation: Internal Switch Pack 3, Switches 4, 5, and 6  
Switch  
Settings Description  
4*  
OFF  
ON  
Enables two cash drawers when activate command is received.  
Printer assumes a single cash drawer is connected and checks status  
of drawer before activating it. If the drawer is open or missing, the  
drawer solenoid is not activated.  
5**  
6**  
OFF  
ON  
Assumes only cash drawer 1 is attached.  
Assumes only cash drawer 2 is attached.  
OFF  
ON  
Low signal (0) on pin 3 of cash drawer connector indicates cash  
drawer closed.  
High signal (1) on pin 3 of cash drawer connector indicates cash  
drawer closed.  
*The EFP9800 has one cash drawer connector for two drawers. If two drawers  
are connected, it is not possible to read drawer status. If a single drawer is  
connected, a status check is possible.  
**Ignored unless switch 4 is ON.  
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Diagnostics and Print Tests  
EF4270 Emulation: Internal Switch Pack 3, Switches 7 and 8  
Switch  
Settings Description  
7
8
Unused.  
(Printers with parallel interface only.)  
OFF  
ON  
Pin 13 of the communication cable connector functions as the select  
line output.  
Pin 13 of the communication cable connector equals 1 when a form is  
present.  
EF4270 Emulation: Internal Switch Pack 4, Switches 1, 2, 3, and 4  
Switch 1 Switch 2 Switch 3 Switch 4 Description  
OFF  
ON  
OFF  
OFF  
ON  
OFF  
OFF  
OFF  
OFF  
ON  
OFF  
OFF  
OFF  
OFF  
OFF  
OFF  
OFF  
OFF  
ON  
2.63 inches (66.8 mm)  
2.51 inches (63.7 mm)  
2.42 inches (61.46 mm)  
2.33 inches (59.18 mm)  
2.22 inches (56.38 mm)  
2.12 inches (53.84 mm)  
2.00 inches (50.8 mm)  
1.91 inches (48.51 mm)  
1.80 inches (45.72 mm)  
1.67 inches (42.41 mm)  
1.59 inches (40.38 mm)  
1.50 inches (38.1 mm)  
1.39 inches (35.30 mm)  
1.29 inches (32.76 mm)  
1.20 inches (30.48 mm)  
1.00 inches (25.4 mm)  
OFF  
ON  
ON  
OFF  
ON  
OFF  
OFF  
ON  
ON  
OFF  
ON  
ON  
ON  
ON  
OFF  
ON  
OFF  
OFF  
ON  
OFF  
OFF  
OFF  
OFF  
ON  
ON  
OFF  
ON  
ON  
ON  
ON  
OFF  
ON  
OFF  
OFF  
ON  
ON  
ON  
ON  
OFF  
ON  
ON  
ON  
ON  
ON  
ON  
*Distance measured from top of the topmost line to lower edge of cut sheet. The  
printer prints to within 0.6 inches of the bottom of the cut sheet.  
3–16  
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Diagnostics and Print Tests  
Flash Download Mode  
This section describes the protocol used to download firmware to the printer  
from an application through the communication connector. Requests are  
provided to query the state of the firmware and to check the CRC of a given  
flash sector. All downloading must be done with 8 bit communications.  
Note: An alternate method of putting the printer into flash download mode  
is to send the Put the Printer in Flash Download Mode command (1B  
5B 7D) during normal operation. See “Section 10: Flash Download  
Commands” for more information.  
Caution  
The DIP switches are set at the factory to predetermined settings. Change the  
settings carefully to avoid changing other functions. Run the Diagnostic Print  
Tests to see what emulation the printer is set for. For more information, see  
“Diagnostic Print Tests” later in this section.  
Note: The EFP9800 FLASHLOAD software utility can also be used for  
downloading firmware to the unit. This utility is included in the  
EFP9800-SW1 style package.  
Before putting the printer into the flash download mode, install the program  
that implements the download protocol onto the host computer (or any IBM-  
compatible computer that can be connected to the printer for diagnostic  
purposes). This program is available from Unisys. Contact your Unisys sales  
representative for more information.  
1. Turn the printer off.  
2. Turn the printer to the back to access the DIP switches and write down the  
current switch settings.  
3. To put the printer into flash download mode, set the DIP switches to the  
appropriate settings for the interface you are using.  
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Diagnostics and Print Tests  
RS-232C Switch Settings  
Switch Switch Switch Switch Switch Switch Switch Switch Setting  
1
2
3
4
5
6
7
8
ON  
ON  
ON  
N/A  
OFF  
N/A  
N/A  
N/A  
DTR/DSR  
control  
ON  
ON  
ON  
ON  
ON  
ON  
N/A  
N/A  
ON  
N/A  
OFF  
N/A  
N/A  
N/A  
N/A  
XON/XOFF  
control  
N/A  
Without  
parity  
ON  
ON  
ON  
ON  
ON  
ON  
N/A  
N/A  
N/A  
N/A  
ON  
N/A  
OFF  
N/A  
OFF  
Odd parity  
N/A  
19,200  
Baud rate  
ON  
ON  
ON  
ON  
ON  
ON  
ON  
ON  
ON  
N/A  
N/A  
N/A  
N/A  
N/A  
N/A  
N/A  
N/A  
N/A  
ON  
OFF  
ON  
OFF  
ON  
ON  
9,600  
Baud rate  
4,800  
Baud rate  
1,200  
Baud rate  
Parallel Switch Settings  
Switch Switch Switch Switch Switch Switch Switch Switch  
Setting  
1
2
3
4
5
6
7
8
ON  
ON  
ON  
N/A  
N/A  
N/A  
N/A  
N/A  
Parallel  
Printers  
Only  
Note: When switches 1, 2, and 3 are all turned on during power up, the  
printer enters the flash download mode. The other switches determine  
the communication parameters.  
4. Turn the printer back on.  
The printer is now in flash download mode.  
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Diagnostics and Print Tests  
5. Run the program that implements the download protocol.  
The program leads you through the download process.  
Note: This program must be installed on the host computer or to a  
computer that is connected to the printer for diagnostic purposes.  
6. Turn the printer off and reset the DIP switches to what they were when you  
started.  
7. For normal operation settings, see “Switch Settings” in section 5.  
Turn the printer back on.  
Data Scope Mode  
Data scope mode is used to check communication between the printer and the  
host computer. When in data scope mode, the printer is configured for normal  
operations and receives all communication from the host computer. Instead of  
performing the commands however, the printer prints them in hexadecimal  
format on the receipt in the order they are received. For example, “1” prints as  
hexadecimal 31, “A” prints as hexadecimal 41, and so on.  
Enter Data Scope Mode  
Caution  
The DIP switches are set at the factory to predetermined settings. Change the  
settings carefully to avoid changing other functions. Run the Diagnostic Print  
Tests to see if the Data Scope mode is on or off. For more information, see  
“Diagnostic Print Tests” later in this section.  
Note: Secure the roller assembly in a closed position to eliminate the  
nuisance noise from occurring when the receipt take-up assembly is  
not being used.  
1. Turn the printer off.  
2. Turn the printer to the back to access the DIP switches and write down the  
current switch settings.  
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Diagnostics and Print Tests  
3. Set the DIP switches to the following settings:  
Switch Switch Switch Switch Switch Switch Switch Switch  
1
2
3
4
5
6
7
8
ON  
OFF  
OFF  
ON  
OFF  
ON  
OFF  
OFF  
4. Turn the printer back on to put the printer in Data Scope mode.  
The red Paper Status LED blinks once to indicate that the printer is in Data  
Scope mode.  
5. Turn the printer off and reset the DIP switches to what they were when you  
started.  
For normal operation settings, see “Switch Settings” in section 5.  
6. Turn the printer back on.  
7. Run a transaction from the host computer.  
All commands and data sent from the host computer are printed as  
hexadecimal characters as shown.  
You can check that the Data Scope mode parameters have been stored in  
NVRAM by printing out the configuration information. For more information,  
see “Diagnostic Print Tests” later in this section.  
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Diagnostics and Print Tests  
Exit Data Scope Mode  
1. Turn the printer off.  
2. Turn the printer to the back to access the DIP switches and write down the  
current switch settings.  
3. Set the DIP switches to the following settings:  
Switch Switch Switch Switch Switch Switch Switch Switch  
1
2
3
4
5
6
7
8
ON  
OFF  
OFF  
OFF  
OFF  
ON  
OFF  
OFF  
4. Turn the printer back on to take the printer out of Data Scope mode.  
The red Paper Status LED blinks once to indicate that the printer is out of  
Data Scope mode.  
5. Turn the printer off and reset the DIP switches to what they were when you  
started.  
6. For normal operation settings, see “Switch Settings” in section 5.  
7. Turn the printer back on.  
Enabling or Disabling the Cover Open Switch  
Use this procedure to enable or disable the cover open switch. The cover open  
switch is optional, and may not be available on all printers.  
Note: The EFP9800 FLASHADMIN software utility can also be used for  
enabling or disabling the cover open switch. This utility is included  
in the EFP9800-SW1 style package.  
Caution  
The DIP switches are set at the factory to predetermined settings. Change the  
settings carefully to avoid changing other functions.  
Note: Secure the roller assembly in a closed position to eliminate the  
nuisance noise form occurring when the receipt assembly is not  
being used.  
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Diagnostics and Print Tests  
1. Turn the printer off.  
2. Turn the printer to the back to access the DIP switches and write down the  
current switch settings.  
3. Set the DIP switches to enable or disable the cover open switch:  
Switch Switch Switch Switch Switch Switch Switch Switch  
1
2
3
4
5
6
7
8
ON  
OFF  
N/A  
OFF  
OFF  
OFF  
ON  
N/A  
Enable  
Cover Open  
Switch  
ON  
OFF  
N/A  
ON  
OFF  
OFF  
ON  
N/A  
Disable  
Cover Open  
Switch  
4. Turn the printer back on.  
5. Turn the printer off and reset the DIP switches to what they were when you  
started.  
6. For normal operation settings, see “Switch Settings” in section 5.  
7. Turn the printer back on.  
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Diagnostics and Print Tests  
Verifying Read of MICR Characters  
This test reads the characters on a check and prints a hexadecimal dump of the  
characters on the receipt. It is also referred to as the MICR Read and Print Loop  
test. This is a continuous test.  
Note: The MICR check reader feature has been factory adjusted for a  
normal operating environment with a host computer. However,  
additional devices, such as CRT monitors or large metal surfaces  
near the printer, can affect the printer’s magnetic field, causing  
intermittent reading errors when the MICR check reader is in  
operation.  
This condition can be easily diagnosed by checking the noise level of the MICR  
check reader. See the next section, “Checking MICR Noise Level” for more  
information.  
Caution  
The DIP switches are set at the factory to predetermined settings. Change the  
settings carefully to avoid changing other functions.  
1. Turn the printer off.  
2. Turn the printer to the back to access the DIP switches and write down the  
current switch settings.  
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Diagnostics and Print Tests  
3. Set the DIP switches to the following settings:  
Switch  
1
Switch  
2
Switch  
3
Switch  
4
Switch  
5
Switch  
6
Switch  
7
Switch  
8
ON  
OFF  
ON  
OFF  
OFF  
OFF  
OFF  
OFF  
E13B  
Font  
Test  
ON  
OFF  
ON  
OFF  
OFF  
OFF  
OFF  
ON  
CMC7  
Font  
Test  
4. Turn the printer back on to begin the test.  
The green Slip In LED blinks, indicating that the printer is ready for the  
check to be inserted.  
5. Insert the check into the printer from the front, face up, with the MICR  
characters to the right.  
See “Verifying Checks” in “Section 2: Operating the Printer” for more  
information about inserting checks to be read by the MICR check reader.  
Note: Do not hold or keep the check from moving during the MICR check  
reader transaction or the check numbers will not be read accurately.  
6. Slide the check toward the back of the printer along the right side until it  
covers both sensors.  
The green Slip In LED turns on continuously when both sensors are  
covered, indicating that the check is inserted properly. The printer reads  
the magnetic characters on the check and feeds the check back out.  
The printer prints the decoded data on the receipt, and then prepares the  
printer to receive another check to continue the test.  
7. To stop the test, wait until the printer completes a cycle and is waiting until  
a new check is inserted.  
8. Turn the printer off and reset the DIP switches to what they were when you  
started.  
For normal operation settings, see “Switch Settings” in section 5.  
9. Turn the printer back on.  
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Diagnostics and Print Tests  
Checking MICR Noise Level  
This test checks the extraneous signals picked up by the MICR check reader  
and prints a reading indicating the relative level of the noise. If the noise level is  
printed as a letter lower than F (A-E), then the MICR check reader will generally  
read the MICR characters without problems. However, if the letter printed is the  
letter F or above, there may be problems when reading the MICR characters,  
and you may need to call a service representative.  
Note: The MICR check reader feature has been factory adjusted for a  
normal operating environment with a host computer. However,  
additional devices, such as CRT monitors or large metal surfaces  
near the printer, can affect the printer’s magnetic field, causing  
intermittent reading errors when the MICR check reader is in  
operation.  
Caution  
The DIP switches are set at the factory to predetermined settings. Change the  
settings carefully to avoid changing other functions.  
1. Turn the printer off.  
2. Turn the printer to the back to access the DIP switches and write down the  
current switch settings.  
3. Set the DIP switches to the following settings:  
Switch Switch Switch Switch Switch Switch Switch Switch  
1
2
3
4
5
6
7
8
ON  
OFF  
ON  
OFF  
OFF  
OFF  
ON  
OFF  
4. Turn the printer back on to begin the test.  
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Diagnostics and Print Tests  
5. Press the Paper Feed button.  
The printer prints the letter indicating the relative noise level on the receipt.  
6. Repeat by pressing the Paper Feed button again.  
When finished, turn the printer off and reset the DIP switches to what they  
were when you started.  
7. For normal operation settings, see “Switch Settings” in section 5.  
8. Turn the printer back on.  
Selecting the Font for the MICR Check Reader  
Use this procedure to select the font for the MICR check reader to read. There  
are two fonts that the EFP9800 printer is able to recognize. However, the  
switches must be set to the font that will be read.  
Note: The EFP9800 FLASHADMIN software utility can also be used for  
MICR font selection. This utility is included in the EFP9800-SW1  
style package.  
Note: Secure the roller assembly in a closed position to eliminate the  
nuisance noise from occurring when the receipt take-up assembly is  
not being used.  
Caution  
The DIP switches are set at the factory to predetermined settings. Change the  
settings carefully to avoid changing other functions.  
1. Turn the printer off.  
2. Turn the printer to the back to access the DIP switches and write down the  
current switch settings.  
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Diagnostics and Print Tests  
3. Set the DIP switches to setting for the font you wish:  
Switch Switch Switch Switch Switch Switch Switch Switch  
MICR  
Font  
1
2
3
4
5
6
7
8
ON  
ON  
OFF  
OFF  
OFF  
OFF  
ON  
OFF  
OFF  
OFF  
OFF  
OFF  
OFF  
OFF  
OFF  
OFF  
CMC-7  
E13b  
(default)  
4. Turn the printer back on.  
5. Turn the printer off and reset the DIP switches to what they were when you  
started.  
For normal operation settings, see “Switch Settings” in section 5.  
6. Turn the printer back on.  
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Diagnostics and Print Tests  
Diagnostic Print Tests  
Three diagnostic print tests and a general print test are available:  
•
•
•
•
Print configuration, ROM CRC, and internal switch packs information.  
Continuous slip printing.  
Print each character in the ASCII character set.  
General print test  
The following procedures describe how to run each of these tests.  
Print Configuration Information  
This test produces a printout of all ROM CRC, internal switch pack, and  
configuration information. See the sample printout later in this section.  
1. Turn the printer off.  
2. Turn the printer to the back to access the DIP switches and write down the  
current switch settings.  
3. Set the DIP switches to the following settings:  
Switch Switch Switch Switch Switch Switch Switch Switch  
1
2
3
4
5
6
7
8
ON  
OFF  
N/A  
ON  
ON  
ON  
N/A  
N/A  
4. Turn the printer back on to begin printing the test.  
5. Turn the printer off to stop the test.  
6. Turn the printer off and reset the DIP switches to what they were when you  
started.  
For normal operation settings, see “Setting Switches” in section 5.  
7. Turn the printer back on to begin normal operation.  
3–28  
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Diagnostics and Print Tests  
Continuous Slip Printing  
This test prints a slip, stopping each time the end of the slip is sensed and  
continuing when a new slip is inserted. The printout includes all ROM CRC,  
internal switch pack, and configuration information (same as the Print  
Configuration Information test). See the sample printout later in this section.  
1. Turn the printer off.  
2. Turn the printer to the back to access the DIP switches and write down the  
current switch settings.  
3. Set the DIP switches to the following settings:  
Switch Switch Switch Switch Switch Switch Switch Switch  
1
2
3
4
5
6
7
8
ON  
OFF  
N/A  
ON  
ON  
OFF  
N/A  
N/A  
4. Turn the printer back on.  
The Slip In LED flashes until a slip is inserted. When the slip is positioned  
correctly, the Slip In LED is on steady.  
5. Press the Paper Feed button.  
The printer prints the slip. When the printer senses the end of the slip,  
printing stops.  
6. Remove the slip and insert a new one to continue the test.  
OR  
Turn the printer off to stop the test.  
7. Turn the printer off and reset the DIP switches to what they were when you  
started.  
For normal operation settings, see “Setting Switches” in section 5.  
8. Turn the printer back on to begin normal operation.  
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Diagnostics and Print Tests  
Print Each Character in the ASCII Character Set  
This test produces a printout of each character in the ASCII character set,  
including all code pages, emulations, and character types (single-wide, double-  
wide, and so forth). You can set the test to cycle continuously, or to restart  
when you press the Paper Feed button.  
1. Turn the printer off.  
2. Turn the printer to the back to access the DIP switches and write down the  
current switch settings.  
3. Set the DIP switches to one of the following settings:  
To print each character in the ASCII character set (continuous  
printing):  
Switch Switch Switch Switch Switch Switch Switch Switch  
1
2
3
4
5
6
7
8
ON  
OFF  
N/A  
OFF  
ON  
ON  
N/A  
N/A  
To print each character in the ASCII character set (Restart test by  
pressing the Paper Feed button):  
Switch Switch Switch Switch Switch Switch Switch Switch  
1
2
3
4
5
6
7
8
ON  
OFF  
N/A  
OFF  
ON  
OFF  
N/A  
N/A  
4. Turn the printer back on to begin printing the test.  
5. Turn the printer off to stop the test.  
6. Turn the printer off and reset the DIP switches to what they were when you  
started.  
For normal operation settings, see “Setting Switches” in section 5.  
7. Turn the printer back on to begin normal operation.  
3–30  
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Diagnostics and Print Tests  
General Print Test  
This test produces a printout of all ROM CRC, internal switch pack, and  
configuration information (see the sample printout on the next page). In  
addition, it prints each character in the ASCII character set including all code  
pages and character types (single-wide, double-wide, and so forth).  
With the unit powered on the Online LED on:  
1. Press the Reset button (Online LED goes off).  
2. Press the Reset button (Online LED goes on).  
3. Press the Paper Feed button and continue to hold it down until the printer  
begins to prints.  
4. Press the Paper Feed button to stop the test.  
Note: After running the Print Test, it is recommended that the unit be reset  
again prior to being returned to normal operation.  
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Diagnostics and Print Tests  
Sample of Configuration Printout  
The following sample shows a configuration printout, including ROM CRC and  
internal switch pack.  
3–32  
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Diagnostics and Print Tests  
Adjusting the Printhead Gap  
If the print from the test is light, the gap between the printhead and the paper  
may be too large. If the print is smudged, the gap may be too small. You can  
easily adjust the printhead gap.  
1. Open the cassette cover and remove the ribbon cassette.  
2. Move the anti-rotation bearing to the right to decrease the gap, or move it to  
the left to increase the gap.  
3. Put the ribbon cassette back in the printer and place the cassette cover  
back on the printer.  
4. Run the general print test again to be sure that the adjustment is correct.  
Repeat steps 1-3 if necessary.  
See “General Print Test” earlier in this section.  
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Diagnostics and Print Tests  
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Section 4  
When Something Goes Wrong  
The EFP9800 printer is a simple, generally trouble-free printer, but from time to  
time minor problems may occur. For example, the power supply may be  
interrupted or the paper may jam.  
For some problems, the printer communicates the information to the host  
computer and relies on the application to indicate the problem.  
You’ll be able to fix most problems easily. For some problems, you will need to  
contact a Unisys-authorized service representative. Any time a problem persists,  
contact a service representative.  
Following is a list of problems you may encounter and the page on which they  
are described.  
Problem  
Page  
Printer Not Operating  
4–2  
4–3  
4–3  
4–4  
4–4  
4–5  
4–5  
4–5  
4–6  
4–6  
4–7  
Indicators Showing a Problem  
Printer Does Not Feed Receipt/Journal Paper  
Carriage and Paper Jams  
Slips, Forms, or Checks Not Feeding Through Properly  
Slips, Forms, or Checks Skew When Feeding Into the Printer  
Some Dots are Missing  
Ribbon Tears or Frays More Quickly Than Expected  
Overall Print is Light or Smudged  
Some Dots are Printing Light  
Other Serious Problems  
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When Something Goes Wrong  
Printer Not Operating  
Cause  
Action  
Power cable not connected properly  
Check all cable connections. Check that the host  
computer and power supply are both on. The power  
supply is turned on by plugging it into an outlet.  
Paper jam in receipt/journal or slip  
station  
Open the cover and the clamshell. Push the carriage away  
from the paper jam. Remove any jammed paper or other  
obstructions.  
Press the Reset button to remove error status.  
Press the Paper Feed button to make sure the paper is no  
longer jammed.  
For step-by-step instructions for loading paper, see  
section 2.  
Receipt/Journal paper empty  
Check paper roll and add a new roll if necessary. For step-  
by-step instructions, see section 2.  
4–2  
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When Something Goes Wrong  
Indicators Showing a Problem  
Cause  
Action  
Paper Status LED blinks red  
A blinking Paper Status LED indicates that paper is low or  
out. Check receipt/journal paper and replace when  
necessary. For more information see, section 2.  
Paper Status LED steady red  
A steady lit Paper Status LED indicates a carriage or  
paper jam.  
Open the cover and the clamshell. Push the carriage away  
from the paper jam. Remove any jammed paper or other  
obstructions.  
Press the Reset button to remove error status.  
Reload the paper if necessary, and then close the cover.  
Press the Paper Feed button to make sure the paper is no  
longer jammed.  
For step-by-step instructions for loading paper, see  
section 2.  
Slip In LED steady green  
Indicates that the slip or form is positioned properly  
(detected by both sensors). No action necessary.  
Paper Status LED steady red and Slip In  
LED steady green  
The NVRAM has failed. The PC Board needs to be  
replaced. Contact a Unisys-authorized service  
representative.  
Online LED not lit  
Check all cable connections. Check that the host  
computer and power supply are both on. The power  
supply is turned on by plugging it into an outlet.  
Printer Does Not Feed Receipt/Journal Paper  
Cause  
Action  
Clamshell not completely latched  
Open the cover and then open the clamshell. Close the  
clamshell and make sure that it is latched properly. Close  
the cover.  
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When Something Goes Wrong  
Carriage and Paper Jams  
Cause  
Action  
Jam in receipt/journal or slip station  
Open the cover and the clamshell. Push the carriage away  
from the jam. Remove any jammed paper or other  
obstructions.  
Press the Reset button to remove error status.  
Reload the paper if necessary, and then close the cover.  
Press the Paper Feed button to make sure the paper is no  
longer jammed.  
For step-by-step paper loading instructions, see section 2.  
If this does not solve the problem, contact a Unisys-  
authorized service representative.  
Slips, Forms, or Checks Not Feeding Properly  
Cause  
Action  
Slip, form, or check not inserted properly  
Slips, forms, and checks must be inserted properly. For  
step-by-step instructions see “Validating Slips and Checks”  
in section 2.  
When the form or slip is inserted properly, the Slip In LED  
is on.  
If reinserting the slip, form, or check does not resolve the  
problem, contact a Unisys-authorized service  
representative.  
Slip, form, or check skewing or catching  
in slip station due to a paper jam or  
obstruction  
Open the cover and the clamshell. Push the carriage away  
from the jam. Remove any jammed paper or other  
obstructions.  
Press the Reset button to remove error status.  
Reload the paper and then close the cover.  
Press the Paper Feed button.  
For step-by-step paper loading instructions, see section 2.  
4–4  
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When Something Goes Wrong  
Slips, Forms, or Checks Skew When Feeding  
into the Printer  
Cause  
Action  
Paper path jammed  
Open the cover and the clamshell. Push the carriage away  
from the jam. Remove any jammed paper or other  
obstructions.  
Press the Reset button to remove error status.  
Reload the paper if necessary, and then close the cover.  
Press the Paper Feed button to make sure the paper is no  
longer jammed.  
For step-by-step paper loading instructions, see section 2.  
Ribbon cassette not installed properly  
Check that the ribbon cassette is properly installed. For  
more information, see “Changing the Ribbon Cassette” in  
section 2.  
Some Dots are Missing  
Cause  
Action  
A print wire in the printhead is not  
working. That dot is missing from all  
characters that require it.  
The printhead must be replaced. Contact a Unisys-  
authorized service representative.  
Flex cable broken or badly worn  
The flex cable must be replaced. Contact a Unisys-  
authorized service representative.  
Ribbon Tears or Frays More Quickly Than  
Expected  
Cause  
Action  
Ribbon out of specification  
Check that the ribbon you are using meets the  
specifications for the EFP9800 printer. For more  
information see, “Ordering Paper and Supplies” in section  
1.  
Printhead worn; causing it to tear or fray  
the ribbon. Some dots may be printing  
light.  
The printhead must be replaced. Contact a Unisys-  
authorized service representative.  
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When Something Goes Wrong  
Overall Print is Light or Smudged  
Cause  
Action  
Ribbon cassette worn  
Replace the ribbon cassette.  
For step-by-step instructions, see “Changing the Ribbon  
Cassette” in section 2.  
Slip out of specification  
Check that the slip you are using meets the specifications  
for the EFP9800 printer. For more information see,  
“Ordering Paper and Supplies” in section 1.  
Slips should not be more than five parts thick. Total  
thickness should be no greater than 0.014 inches (0.355  
mm).  
Note: The receipt is included as one or two of the parts  
depending if it is one-ply or two-ply.  
Five-part slips should be double-printed by the host  
computer program.  
Some slips may have poor quality carbons or chemicals  
that don’t react properly, causing poor print quality.  
Printhead gap too large or small  
If the print is light, the gap between the printhead and the  
paper may be too large; if print is smudged, the gap may  
be too small. Adjust the printhead gap.  
Open the cover and the clamshell. Move the anti-rotation  
bearing one click to the back to decrease the printhead  
gap or one click to the front to increase the printhead  
gap.  
See “Adjusting the Printhead Gap” in section 3 for an  
illustration and instructions.  
Some Dots are Printing Light  
Cause  
Action  
Printhead worn; causing some dots to  
print light on a consistent basis  
The printhead must be replaced. Contact a Unisys-  
authorized service representative..  
Ribbon worn  
Check for wear in the ribbon and replace the cassette if  
necessary. For more information, see “Changing the  
Ribbon Cassette” in section 2.  
4–6  
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When Something Goes Wrong  
Other Serious Problems  
The following problems all need to be corrected by a qualified service  
representative. For more information on contacting a representative, see the  
next section.  
•
•
•
•
•
•
Printer does not cycle or stop when required.  
Illegible characters or light print.  
Paper does not feed.  
Platen does not open or close.  
Printer does not communicate  
MICR check reader not reading characters on checks  
Note: The MICR check reader feature has been factory adjusted for a  
normal operating environment with a host computer. However,  
additional devices, such as CRT monitors or large metal surfaces  
near the printer, can affect the printer’s magnetic field, causing  
intermittent reading errors when the MICR check reader is in  
operation.  
This condition can be easily diagnosed by checking the noise level of the MICR  
check reader. See “Checking MICR Noise Level” in section 3 for more  
information.  
Getting Service  
For serious problems, such as the printer not printing or not communicating  
with the host computer, contact a Unisys-authorized service representative to  
arrange a service call.  
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When Something Goes Wrong  
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Section 5  
Communication  
In order for a receipt or slip to be printed, a program must be in place that  
translates the data from the host computer into a language the printer can  
understand. This program must tell the printer exactly how to print each  
character. This section describes how to create such a program or modify an  
existing one.  
Interfaces  
In order for the printer to communicate with the host computer, a  
communication link must be set up. The EFP9800 supports the following  
industry standard interfaces:  
•
•
RS-232C interface  
1EEE 1284 parallel interface  
Sending Commands  
Once the communication link is established, commands can be sent to the  
printer. This section describes how to send commands to the printer using DOS  
and BASIC. This section does not take into account the necessary protocol— it  
is meant as a general introduction to how the printer functions.  
Using DOS to Send Commands  
One way of getting commands to the printer is to send them directly from DOS.  
For example, the command:  
COPY CON: COM1:  
means that the hexadecimal code corresponding to any key that is pressed is  
sent to the RS-232C communication port COM1 when the COPY mode is exited.  
If the printer is connected to COM1 and the communications modes match,  
then the data will go to the printer.  
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Communication  
Exit the COPY mode by typing:  
CTRL Z  
[Enter]  
Once the computer knows to direct data from any print command to the proper  
port, commands can be sent from any software program.  
Using BASIC to Send Commands  
In BASIC, printer commands are sent as a string of characters preceded by the  
PRINT command. For example,  
PRINT#1, CHR$(&H0A)  
(where #1 is the file number of a communication line opened by the OPEN  
“COM1:”command. For more information, see your BASIC documentation.)  
sends the hexadecimal number 0A to the printer, which causes the printer to  
print the contents of its print buffer. Previously sent commands tell the printer  
exactly how this data should appear on the paper. For example,  
PRINT#1, CHR$(&H1b)+CHR$(&H21)+CHR$(&H021); “ABC”;  
CHR$(&H0A)  
sends the hexadecimal numbers 12 41 42 43 0A to the printer. This causes the  
printer to set itself to double-wide mode, load the print buffer with “ABC” (41 42  
43), and finally, to print (0A). The communication link the BASIC program  
sends must be matched to that of the printer.  
RS-232C Interface  
The following sections explain the interface protocols and connectors for the  
RS-232C interface. For information on the parallel interface and connectors, see  
“Parallel Interface” later in this section.  
RS-232C Interface Protocols  
The RS-232C interface has a protocol associated with it that the host computer  
must understand and adhere to.  
Only when the interface parameters are matched and the proper protocol is  
used will the host computer and the printer be able to communicate.  
The RS-232C interface uses either XON/XOFF or DTR/DSR protocol.  
5–2  
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Communication  
•
•
For XON/XOFF, a particular character is sent back and forth between the  
host computer and the printer to regulate the communication.  
For DTR/DSR, changes in the DTR/DSR signal coordinate the information  
flow.  
The RS-232C version of the EFP9800 offers the standard options which are  
selected with the DIP switches. For more information on these settings, see  
“Setting Switches” later in this section.  
XON/XOFF Protocol  
The XON/XOFF characters coordinate the information transfer between the  
printer and the host computer. The printer sends an XON character when it is  
ready to receive data and it sends an XOFF character when it cannot accept any  
more data. The software on the host computer must monitor the  
communication link as shown in the following flowchart in order to send data  
at appropriate times.  
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Communication  
DTR/DSR Protocol  
The DTR signal is used to control data transmission to the printer. It is driven  
low when the printer is ready to receive data and driven high when it cannot  
accept any more data. Data is transmitted from the printer after it confirms that  
the DSR signal is low.  
RS-232C Interface Connectors  
This section describes the pin settings for the RS-232C connectors and interface  
parameters. The RS-232C parameters are selected by setting the DIP switches  
on the PC board. For more information, see “Setting Switches” later in this  
section. The RS-232C parameters must match those of the host computer.  
RS-232C Communication Connector Pin Assignments  
The following illustrations show the RS-232C communication connector and pin  
assignments. The connector is a 9-pin male D-shell connector and is located at  
the rear of the printer.  
RS-232C 9-Pin to 9-Pin Communication Connector Pin Assignments  
5–4  
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Communication  
RS-232C 25-Pin (Host Computer) to 9-Pin Communication Connector Pin  
Assignments  
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Communication  
Power Cable Connector Pin Assignments  
The following illustration shows the power cable connector and pin  
assignments. The power cable connector is a 6-pin mini-DIN plug and is located  
at the rear of the printer.  
Cash Drawer Connector Pin Assignments  
The following illustration shows the cash drawer connector and pin  
assignments. The cash drawer connector is 6-pin modular jack and is located at  
the rear of the printer. You may use one or two cash drawers. If you use two,  
connect a split cable (y-cable) to use the same connector for both.  
Pin Number Signal  
Direction  
Note  
1
2
3
4
5
6
Frame Ground  
Drawer Drive 1  
Drawer Status  
+24 V +/- 5%  
Drawer Drive 2  
Logic Ground  
Output  
Input  
Drawer Solenoid 1-  
Drawer Switch  
Output  
Output  
Drawer Solenoid +  
Drawer Solenoid 2-  
Drawer Switch  
5–6  
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Communication  
Parallel Interface  
The parallel interface is an industry standard IEEE 1284 bi-directional interface.  
It communicates in the following modes: compatibility, nibble, and byte.  
The following sections explain the interface protocols and connectors for the  
parallel interface. For information on the RS-232C interface protocols and  
connectors, see “RS-232C Interface” earlier in this section.  
Parallel Interface Connectors  
This section describes the pin settings for the parallel connectors and interface  
parameters. The parallel parameters are selected by setting the DIP switches on  
the PC board. For more information, see “Setting Switches” later in this section.  
The parallel parameters must match those of the host computer.  
Parallel Communication Connector Pin Assignments  
The following illustrations show the parallel communication connector and pin  
assignments. The connector is designated as a IEEE 1284-A receptacle and is  
commonly know as a D-subminiature 25 pin connector. It is located at the rear  
of the printer.  
Power Cable Connector Pin Assignments  
The following illustration shows the power cable connector and pin  
assignments. The power cable connector is a 6-pin mini-DIN plug which mates  
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Communication  
with an integral shielded cable on the external power supply. It is located at the  
rear of the printer.  
Cash Drawer Connector Pin Assignments  
The following illustration shows the cash drawer connector and pin  
assignments. The cash drawer connector is 6-pin modular jack and is located at  
the rear of the printer. You may use one or two cash drawers. If you use two,  
connect a split cable (y-cable) to use the same connector for both.  
Pin Number Signal  
Direction  
Note  
1
2
3
4
5
6
Frame Ground  
Drawer Drive 1  
Drawer Status  
+24 V +/- 5%  
Drawer Drive 2  
Logic Ground  
Output  
Input  
Drawer Solenoid 1-  
Drawer Switch  
Output  
Output  
Drawer Solenoid +  
Drawer Solenoid 2-  
Drawer Switch  
5–8  
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Communication  
Setting Switches  
The DIP switches are located at the rear of the printer as shown in the  
illustration. They are used to set the communication parameters as outlined in  
the table. These parameters must match those of the host computer in order for  
the host computer and the printer to communicate.  
Note: The switches are also used for setting other functions and tests. Be  
careful not to accidentally change the settings for the other functions.  
For more information, see “Level 1 Diagnostics” in section 3.  
Use a straightened paper clip or other pointed object to set the switches.  
1. Turn the printer to the back to access the DIP switches.  
2. Set the switches to the settings you want, using the options in the tables  
below.  
There is one table for RS-232C interface settings and one for parallel  
interface settings.  
Caution  
Do not set switch 1 to On. Setting switch 1 to On puts the printer in Level 1  
diagnostics (setup mode) where other functions and tests can be changed. Set  
switch 1 to Off when setting switches for the interface settings. This puts the  
printer in the Online mode so it can communicate with the host computer.  
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Communication  
DIP Switch Settings for RS-232C Parameters  
Switch  
Settings  
Description  
1
OFF  
ON  
On-line Mode. Use to set RS-232C options (default)  
Offline. Level 1 Diagnostics (setup mode)  
2
OFF  
ON  
DTR/DSR Protocol (default)  
XON/XOFF Protocol  
3
OFF  
ON  
Without Parity (default)  
With Parity  
4*  
5, 6  
OFF  
ON  
Odd Parity  
Even Parity  
5
OFF  
ON  
OFF  
ON  
6
OFF  
OFF  
ON  
19,200 Baud  
9600 Baud (default)  
4800 Baud  
ON  
1200 Baud  
*Switch 4 is not used if the parity is disabled (switch 3 OFF). Switches 7, 8 are not used.  
DIP Switch Settings for Parallel Printers  
Switch Switch Switch Switch Switch Switch Switch Switch Description  
1
2
3
4
5
6
7
8
OFF  
OFF  
OFF  
OFF  
OFF  
OFF  
OFF  
OFF  
Online  
5–10  
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Section 6  
EFP9800 ESC/POS Commands  
Commands control all operations and functions of the EFP9800 printer. The  
commands in this section include the commands for the Epson 370/375 printer,  
allowing the EFP9800 printer to emulate the Epson printers.  
List of EFP9800 ESC/POS Commands  
This table lists the EFP9800 ESC/POS commands in numerical order according  
to their hexadecimal codes. The page number indicates where a complete  
description of the command can be found in the next section.  
Hexadecimal  
Code  
Command Name  
Page  
09  
Horizontal Tabs: Skip to Next Tab Stop  
Line Feed  
6–5  
6–5  
6–6  
6–6  
6–58  
6–62  
6–7  
6–7  
6–8  
6–9  
0A  
0C  
Eject Slip  
0D  
Carriage Return  
10 04  
10 05  
18  
Real Time Status Transmission  
Real Time Request to Printer  
Cancel Print Data in Page Mode  
Set Right-Side Character Spacing  
Select Print Mode(s)  
1B 20  
1B 21  
1B 22  
Select Print Mode(s) (for Windows™ Printer  
Drivers)  
1B 24  
1B 25  
1B 26  
Set Absolute Starting Position  
6–10  
6–29  
6–30  
Select/Cancel User-Defined Character Set  
Define User-Defined Characters  
3255 4073–002  
6–1  
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EFP9800 ESC/POS Commands  
Hexadecimal  
Code  
Command Name  
Page  
1B 2A  
1B 2D  
1B 32  
1B 33  
1B 3C  
1B 3D  
1B 3F  
1B 40  
1B 43  
1B 44  
1B 45  
1B 47  
1B 4A  
1B 4C  
1B 52  
1B 54  
1B 55  
1B 56  
1B 57  
1B 5C  
1B 61  
1B 63 30  
1B 63 31  
1B 63 34  
1B 63 35  
1B 64  
1B 66  
1B 70  
Select Bit Image Mode  
6– 40  
6– 34  
6– 11  
6– 12  
6– 12  
6– 13  
6– 35  
6– 13  
6– 14  
6– 14  
6– 35  
6– 36  
6– 15  
6– 16  
6– 36  
6– 17  
6– 18  
6– 39  
6– 19  
6– 21  
6– 21  
6– 22  
6– 23  
6– 24  
6– 25  
6– 25  
6– 25  
6– 26  
Set/Cancel Underline  
Set Line Spacing to Default Spacing  
Set Line Spacing  
Return Home  
Select Peripheral Device  
Cancel User-Defined Characters  
Initialize Printer  
Set Slip Eject Length  
Set Horizontal Tab Positions  
Set/Cancel Emphasized Mode  
Set/Cancel Double-Strike Mode  
Print and Feed Paper  
Select Page Mode  
International Character Set  
Select Print Direction in Page Mode  
Set/Cancel Uni-Printing  
Set/Cancel 90 Degree Clockwise Rotation  
Set Printing Area in Page Mode  
Set Relative Print Position  
Select Justification  
Select Print Paper(s)  
Select Paper(s) for Setting Line Spacing  
Select Paper Sensor(s) to Stop Printing  
Enable/Disable Paper Feed Button  
Print and Feed n Lines  
Set Slip Waiting Time  
Generate Pulse  
6– 2  
3255 4073– 002  
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EFP9800 ESC/POS Commands  
Hexadecimal  
Code  
Command Name  
Page  
1B 71  
Release  
6– 26  
6– 39  
6– 45  
6– 46  
6– 39  
1B 74  
Select Character Code Table  
Transmit Peripheral Device Status  
Transmit Paper Sensor Status  
Set/Cancel Upside Down Printing  
1B 75  
1B 76  
1B 7B  
1B 7D 00  
1B 7D 01  
Copy Downloaded Object to Flash Memory  
6– 76  
Disable Loading the Object to RAM When Powering 6– 77  
on the Printer  
1B 7D 02  
1B 7D 03  
Enable Loading the Object When Powering on the  
Printer  
6– 78  
Copy the Object from Flash Memory to External  
RAM  
6– 78  
1D 2A  
1D 2F  
1D 45  
1D 48  
Define Downloaded Bit Image  
Print Downloaded Bit Image  
Select Head Energizing Time  
6– 42  
6– 43  
6– 27  
6– 64  
Select Printing Position of HRI Characters (Receipt  
Station)  
1D 49  
1D 4C  
1D 50  
1D 57  
1D 61  
1D 66  
1D 68  
1D 6B  
1D 72  
1D 77  
Transmit Printer ID  
6– 47  
6– 27  
6– 28  
6– 28  
6– 48  
6– 64  
6– 64  
6– 65  
6– 54  
Set Left Margin  
Set Fundamental Calculation Pitch  
Set Printable Area Width  
Enable/Disable Automatic Status Back (ASB)  
Select Pitch of HRI Characters (Receipt Station)  
Select Height of Bar Code (Receipt Station)  
Print Bar Code (Receipt Station)  
Transmit Status  
Select Horizontal Size of Bar Code (Receipt Station) 6– 68  
3255 4073– 002  
6– 3  
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EFP9800 ESC/POS Commands  
EFP9800 ESC/POS Command Descriptions  
These commands include the commands for the Epson 370/375 printer. The  
command descriptions in this section are grouped in the following categories:  
•
•
•
•
•
•
•
Printer Function Commands  
Print Characteristics Commands  
Graphics Commands  
Printer Status Commands  
Real-time Commands  
Bar Code Commands  
Page Mode (Overview only. Many commands throughout this section  
include page mode functions.)  
•
Flash Memory Commands (to copy user-defined logos or character sets into  
flash memory)  
Within each group the commands are listed in numerical order according to  
their hexadecimal codes. Each command is described and the hexadecimal,  
decimal, and ASCII codes are listed.  
Printer Function Commands  
These commands control the following basic printer functions:  
•
•
•
•
•
Printing  
Feeding paper  
Moving the printhead  
Resetting the printer  
Cutting paper  
The commands are listed numerically by hexadecimal code.  
6– 4  
3255 4073– 002  
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EFP9800 ESC/POS Commands  
Horizontal Tabs: Skip to Next Tab Stop  
Skips to the next horizontal tab stop. The command is ignored unless the next  
horizontal tab position has been defined. Default tab stops are every 8 columns.  
Hexadecimal  
Decimal  
ASCII  
09  
9
HT  
Standard Mode  
If there are no more tab stops before the end of a line when this command is  
received, the print starting position will be set to the beginning of the next line.  
In other words, a line feed will be performed.  
Page Mode  
If there are no more tab stops before the end of a line when this command is  
received, the print starting position will be set to the end of the current line.  
Any subsequent character received will cause an auto-line feed to be performed.  
For more information see “Page Mode” later in this section.  
Line Feed  
Hexadecimal  
Decimal  
ASCII  
0A  
10  
LF  
Standard Mode  
Prints the data in the buffer and feeds the paper one line.  
Page Mode  
Sets the print starting position to the beginning of the next line. For more  
information see “Page Mode” later in this section.  
3255 4073– 002  
6– 5  
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EFP9800 ESC/POS Commands  
Eject Slip  
Prints the data in the buffer and ejects the slip.  
Hexadecimal  
Decimal  
ASCII  
0C  
12  
FF  
Standard Mode  
•
•
Enabled only when slip is selected for printing.  
Slip is ejected to the length set by the Set Slip Eject Length command (1B  
43). If this length is not set, the slip is completely ejected.  
•
Receipt or journal paper from the paper roll is not ejected even if it is also  
selected.  
•
•
After the slip is ejected, the receipt or journal paper is selected for printing.  
Slips are ejected forward only.  
Page Mode  
The processed data is printed and the printer returns to standard mode. The  
developed data is deleted after being printed. For more information see “Page  
Mode” later in this section.  
Carriage Return  
Hexadecimal  
Decimal  
ASCII  
0D  
13  
CR  
Standard Mode  
Prints one line and sets the print starting position to the beginning of the line.  
Does not feed the paper.  
Page Mode  
Sets the print starting position to the beginning of the line. For more  
information see “Page Mode” later in this section.  
6– 6  
3255 4073– 002  
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EFP9800 ESC/POS Commands  
Cancel Print Data in Page Mode  
Deletes all the data to be printed in the “page” area. Any data from the  
previously selected “page” area that is also part of the current data to be printed  
is deleted.  
This command is only used in page mode. For more information see “Page  
Mode” later in this section.  
Hexadecimal  
Decimal  
ASCII  
18  
24  
CAN  
Set Right-Side Character Spacing  
Sets the right-side character spacing to n x (fundamental calculation pitch). See  
the Set Fundamental Calculation Pitch command (1D 50). The default value is n  
= 0. The command is only available for the paper selected using the Select  
Paper for Setting Line Spacing command (1B 63 31).  
Hexadecimal  
Decimal  
ASCII  
1B 20 n  
27 32 n  
ESC SP n  
•
•
For double-wide mode, the right-side character spacing is twice the normal  
value.  
When the result of the fundamental calculation pitch is more than 32/160  
inches, the command is ignored.  
Standard Mode  
The horizontal direction of the fundamental calculation pitch is used to set the  
right-side character spacing.  
3255 4073– 002  
6– 7  
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EFP9800 ESC/POS Commands  
Page Mode  
Two types of fundamental calculation pitch are used to set the right-side  
character spacing, depending on the value of the Select Print Direction in Page  
Mode command (1B 54 n). For more information see “Page Mode” later in this  
section.  
•
If 1B 54 n = 0 or 2, the horizontal direction of the fundamental calculation  
pitch is used.  
•
If 1B 54 n = 1 or 3, the vertical direction of the fundamental calculation  
pitch is used.  
Select Print Mode(s)  
Selects the print mode(s) specified by the value of n as outlined below. The  
default is 1.  
Hexadecimal  
1B 21 n  
Decimal  
ASCII  
27 33 n  
ESC ! n  
Value of n in Hexadecimal  
33/35/42 Characters  
per Line (5 x 9)  
40/42/51 Characters  
per Line (7 x 7)  
Print Mode  
Standard  
00  
08  
10  
20  
18  
28  
30  
38  
80  
88  
90  
98  
01  
09  
11  
21  
19  
29  
31  
39  
81  
89  
91  
99  
Double-Strike  
Double-High  
Double-Wide  
Double-Strike and Double-High  
Double-Strike and Double-Wide  
Double-High and Double-Wide  
Double-Strike, Double-High, and Double-Wide  
Underlined  
Underlined and Double-Strike  
Underlined and Double-High  
Underlined, Double-Strike, and Double-High  
6– 8  
3255 4073– 002  
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EFP9800 ESC/POS Commands  
Underlined and Double-Wide  
A0  
A8  
B0  
B8  
A1  
A9  
B1  
B9  
Underlined, Double-Strike, and Double-Wide  
Underlined, Double-High, and Double-Wide  
Underlined, Double-Strike, Double-High, and  
Double-Wide  
Note: Underlines cannot be printed for 90 degree clockwise rotated  
characters or for spaces set by the Horizontal Tab, Set Absolute  
Starting Position, or Set Relative Print Position commands.  
Note: In page mode, the 7 x 7 font (40/42/51 characters/line) and double-  
strike print mode cannot be used.  
3255 4073– 002  
6– 9  
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EFP9800 ESC/POS Commands  
Select Print Mode(s) (for Windows™ Printer Drivers)  
Selects the print mode(s) specified by the value of n as outlined below. The  
default is 1. This command is intended for use with Windows printer drivers  
developed with the Windows unitool. This command is nearly identical to Select  
Print Mode(s) (1B 21) except that the bits for Double-Strike and Underline are  
ignored.  
Hexadecimal  
Decimal  
ASCII  
1B 22 n  
27 34 n  
ESC “ n  
Value of n in Hexadecimal  
33/35/42 Characters 40/42/51 Characters  
Print Mode  
per Line (5 x 9)  
per Line (7 x 7)  
Standard  
00  
10  
20  
30  
01  
11  
21  
31  
Double-High  
Double-Wide  
Double-High and Double-Wide  
Note: Underlines cannot be printed for 90 degree clockwise rotated  
characters or for spaces set by the Horizontal Tab, Set Absolute  
Starting Position, or Set Relative Print Position commands.  
Note: In page mode, the 7 x 7 font (40/42/51 characters/line) cannot be  
used.  
Set Absolute Starting Position  
Sets the print starting position from the beginning of the line, in the  
fundamental calculation pitch. The distance (in inches) from the start of the line  
is calculated as: [(n1 + n2 x 256) x (fundamental calculation pitch)]. See the Set  
Fundamental Calculation Pitch command (1D 50).  
Hexadecimal  
Decimal  
ASCII  
Value of n1  
Value of n2  
1B 24 n1 n2  
27 36 n1 n2  
ESC $ n1 n2  
0-255  
0-255  
6– 10  
3255 4073– 002  
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EFP9800 ESC/POS Commands  
Standard Mode  
The horizontal direction of the fundamental calculation pitch is used to set the  
print starting position from the beginning of the line.  
Page Mode  
Two types of fundamental calculation pitch are used to set the print starting  
position from the beginning of the line, depending on the value of the Select  
Print Direction in Page Mode command (1B 54 n). For more information see  
“Page Mode” later in this section.  
•
If 1B 54 n = 0 or 2, the horizontal direction of the fundamental calculation  
pitch is used.  
•
If 1B 54 n = 1 or 3, the vertical direction of the fundamental calculation  
pitch is used.  
Set Line Spacing to Default Spacing  
Sets the default spacing in either standard or page mode.  
Hexadecimal  
Decimal  
ASCII  
1B 32  
27 50  
ESC 2  
Standard Mode  
This command sets the line spacing to the default spacing as set in internal  
switch 2 (either 6 lines per inch or 7.2 lines per inch). The command is only  
available for the paper selected using the Select Paper for Setting Line Spacing  
command (1B 63 31).  
Page Mode  
This command always sets the line spacing to 6 lines per inch, regardless of the  
setting of internal switch 2. For more information see “Page Mode” later in this  
section.  
3255 4073– 002  
6– 11  
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EFP9800 ESC/POS Commands  
Set Line Spacing  
Sets the line spacing to n x (fundamental calculation pitch). The default value is  
n = 24. The command is only available for the paper selected using the Select  
Paper for Setting Line Spacing command (1B 63 31). See the Set Fundamental  
Calculation Pitch command (1D 50).  
Hexadecimal  
Decimal  
ASCII  
Value of n  
1B 33 n  
27 51 n  
ESC 3 n  
0-255  
Standard Mode  
The vertical direction of the fundamental calculation pitch is used to set the line  
spacing.  
Page Mode  
Two types of fundamental calculation pitch are used to set the line spacing,  
depending on the value of the Select Print Direction in Page Mode command  
(1B 54 n). For more information see “Page Mode” later in this section.  
•
If 1B 54 n = 0 or 2, the vertical direction of the fundamental calculation  
pitch is used.  
•
If 1B 54 n = 1 or 3, the horizontal direction of the fundamental calculation  
pitch is used.  
Return Home  
Returns the printhead to the standby position.  
Hexadecimal  
1B 3C  
Decimal  
ASCII  
27 60  
ESC <  
6– 12  
3255 4073– 002  
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EFP9800 ESC/POS Commands  
Select Peripheral Device  
Selects or cancels a peripheral device designated by the value of n. When the  
printer is not selected, it reads all data but performs nothing except the Real  
Time Status Transmission or Real Time Request to Printer commands. Even  
though the printer is not selected, it may go offline through manual printer  
operation.  
Use internal switch pack settings to determine which value of n is selected. For  
more information, see “Switch Entry Mode” in section 3.  
Hexadecimal  
Decimal  
ASCII  
Value of n  
1B 3D n  
27 61 n  
ESC = n  
1-3  
2 = printer not selected  
1 or 3 = printer selected  
Initialize Printer  
Clears the buffer and resets the printer to the default settings as follows:  
•
Resets the printer mode to the mode that was in effect when the power was  
turned on.  
•
•
•
DIP switches are not read again.  
Data in the receive buffer is not cleared.  
If slip printing is currently selected, the printer ejects the slip and switches  
to receipt/journal printing.  
Hexadecimal  
Decimal  
ASCII  
1B 40  
27 64  
ESC @  
3255 4073– 002  
6– 13  
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EFP9800 ESC/POS Commands  
Set Slip Eject Length  
Sets the slip eject length to n lines. (When n = 0, no length is set.) Changes in  
line spacing do not affect the slip eject length. The length set by this command  
is used only when the Eject Slip command (0C) is performed. This command is  
only effective in the standard mode.  
Hexadecimal  
Decimal  
ASCII  
Value of n  
1B 43 n  
27 67 n  
ESC C n  
0 - 255  
The maximum slip eject length is 40 inches. When the value of n x line spacing  
is greater than 40, the slip eject length is set to 40 inches.  
Set Horizontal Tab Positions  
Sets up to 32 tab positions as specified by the value of n and k. Default tabs are  
set at intervals of eight characters (columns 9, 17, 25). The tab is positioned  
using the calculation (character width) x n. Character width includes the right-  
side space of the character and is doubled when double-wide characters are  
used.  
Hexadecimal  
Decimal  
ASCII  
Value of n  
Value of k  
1B 44 [n] k 00  
27 68 [n] k 00  
ESC D [n] k NUL  
1 - 255  
0 - 32  
Horizontal tab positions are not affected by changes in character width.  
•
n = (column number where a tab is to be set) - 1. For example, to set a tab  
in column 6, n = 5.  
•
k = the total number of horizontal tabs to be set.  
When <n> k is less than or equal to the preceding value <n> k- 1, tab setting is  
finished. All following data is processed as normal. Data exceeding 32 tab stops  
is also processed as normal. When <n> k exceeds the number of characters  
printable on a line, the tab position = (maximum printable column) + 1. Enter  
<n> k in ascending order and be sure to enter a NUL code at the end. To clear  
all tab positions, enter 1B 44 00.  
6– 14  
3255 4073– 002  
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EFP9800 ESC/POS Commands  
Print and Feed Paper  
Prints the data in the buffer and feeds the paper a distance of n x (fundamental  
calculation pitch). The maximum feed amount is 40 inches; if a greater number  
is entered, the paper is fed 40 inches. See the Set Fundamental Calculation Pitch  
command (1D 50).  
Hexadecimal  
Decimal  
ASCII  
Value of n  
1B 4A n  
27 74 n  
ESC J n  
0 - 255  
Standard Mode  
The vertical direction of the fundamental calculation pitch is used to calculate  
the distance the paper is fed.  
Page Mode  
This command sets the print starting position to the beginning of the line n  
times (fundamental calculation pitch) down from the current line. Two types of  
fundamental calculation pitch are used to calculate the distance the paper is  
fed, depending on the value of the Select Print Direction in Page Mode  
command (1B 54 n). For more information see “Page Mode” later in this section.  
•
If 1B 54 n = 0 or 2, the vertical direction of the fundamental calculation  
pitch is used.  
•
If 1B 54 n = 1 or 3, the horizontal direction of the fundamental calculation  
pitch is used.  
3255 4073– 002  
6– 15  
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EFP9800 ESC/POS Commands  
Select Page Mode  
Changes mode from standard to page.  
Hexadecimal  
Decimal  
ASCII  
1B 4C  
27 76  
ESC L  
This command collects and processes the data intended for printing on a  
specific area of the paper. When the Eject Slip command (0C) is received, the  
data is printed in the specified area and the printer returns to standard mode.  
For more information see “Page Mode” later in this section.  
•
•
•
This command is valid only when input at the beginning of the line.  
Half dots are not used in page mode.  
The settings controlled by the following commands do not apply in page  
mode (however, the settings are still valid when the printer returns to  
standard mode):  
6– 16  
3255 4073– 002  
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EFP9800 ESC/POS Commands  
Command  
Setting(s) Not Used in Page Mode  
Select Print Modes (1B 21)  
Double-Strike, All 7 x 7 fonts  
Select Print Modes (1B 22)  
All 7 x 7 fonts  
Select Bit Image Mode (1B 2A)  
Double Density  
Set/Cancel Emphasized Mode (1B 45)  
Set/Cancel Double-Strike Mode (1B 47)  
Set/Cancel 90 Degree Clockwise Rotation (1B 56)  
Select Justification (1B 61)  
All  
All  
All  
All  
Set/Cancel Upside Down Printing (1B 7B)  
Print Downloaded Bit Image (1D 2F 00)  
Set Left Margin (1D 4C)  
All  
Double Density  
All  
All  
All  
All  
All  
All  
All  
Set Printable Area Width (1D 57)  
Select Printing Position of HRI Characters (1D 48)  
Select Pitch of HRI Characters (1D 66)  
Select Height of Bar Code (1D 68)  
Print Bar Code (1D 6B)  
Select Horizontal Size of Bar Code (1D 77)  
Select Print Direction in Page Mode  
Selects the printing direction and start position in page mode. See the  
illustration. Default for n is 0. For more information see “Page Mode” later in  
this section.  
•
•
•
The command is valid only in page mode.  
The command is ignored if the value of n is out of the specified range.  
The command can be sent multiple times so that several different print  
areas, aligned in different print directions, can be developed in the printer’s  
page buffer before being printed by the Eject Slip command (0C).  
3255 4073– 002  
6– 17  
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EFP9800 ESC/POS Commands  
Hexadecimal  
Decimal  
27 84 n  
ASCII  
ESC T n  
Value of n (Start Position)  
1B 54 n  
0 = Upper left corner proceeding across page to  
the right (A)  
1 = Lower left corner proceeding up the page (B)  
2 = Lower right corner proceeding across page to  
the left  
(upside down) (C)  
3 = Upper right corner proceeding down page (D)  
Set/Cancel Uni-Directional Printing  
Starts or stops uni-directional printing. In uni-directional printing, the printer  
prints from right to left. Use uni-directional printing to avoid horizontal  
misalignment for the following types of printing:  
•
•
•
Double-height characters  
Ruled lines  
Downloaded bit images  
Hexadecimal  
Decimal  
ASCII  
Value of n  
1B 55 n  
27 85 n  
ESC U n  
0 -255  
6– 18  
3255 4073– 002  
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EFP9800 ESC/POS Commands  
Standard Mode  
The default value of n is 0.  
Page Mode  
The default value of n is 1. For more information see “Page Mode” later in this  
section.  
Note: Only the lowest bit of n is effective. When n is even, uni-directional  
printing is turned off and when n is odd, uni-directional printing is  
turned on.  
Set Printing Area in Page Mode  
Sets the position and size of the printing area in page mode. For more  
information see “Page Mode” later in this section.  
Hexadecimal  
Decimal  
ASCII  
Value of n  
1B 57 n1, n2 . . . n8  
27 87 n1, n2 . . . n8  
ESC W n1, n2 . . . n8  
0-255  
The starting position of the print area is the upper left of the area to be printed  
(x0, y0). The length of the area to be printed in the y direction is set to dy  
inches. The length of the area to be printed in the x direction is set to dx inches.  
Use the equations to determine the value of x0, y0, dx, and dy. See the  
illustration for a graphic representation of the printing area. For more  
information about the fundamental calculation pitch, see the Set Fundamental  
Calculation Pitch command (1D 50).  
•
•
•
•
x0 = [(n1 + n2 x 256) x (horizontal direction of the fundamental calculation  
pitch)]  
y0 = [(n3 + n4 x 256) x (vertical direction of the fundamental calculation  
pitch)]  
dx = [(n5 + n6 x 256) x (horizontal direction of the fundamental calculation  
pitch)]  
dy = [(n7 + n8 x 256) x (vertical direction of the fundamental calculation  
pitch)]  
3255 4073– 002  
6– 19  
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EFP9800 ESC/POS Commands  
Keep the following notes in mind for this command.  
•
The fundamental calculation pitch depends on the vertical or horizontal  
direction.  
•
•
•
The maximum printable area in the x direction is 400/160 inches.  
The maximum printable area in the y direction is 1408/144 inches.  
The command can be sent multiple times so that several different print  
areas, aligned in different print directions, can be developed in the printer’s  
page buffer before being printed by the Eject Slip command (0C).  
•
The default for n1-4 = 0; for n5 = 144; for n6 = 1; for n7 = 128; for n8 = 5.  
6– 20  
3255 4073– 002  
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EFP9800 ESC/POS Commands  
Set Relative Print Position  
Sets the print starting position based on the current position, in the  
fundamental calculation pitch. The distance (in inches) from the current  
position is calculated as: [N x (fundamental calculation pitch)]. See the Set  
Fundamental Calculation Pitch command (1D 50).  
Pitch N to the right is calculated as: (n1 + n2 x 256). Pitch N to the left is  
calculated as:  
(n1 + n2 x 256) = 65535 - N.  
The print position moves right when the result is a positive number, and left  
when the result is a negative number.  
Hexadecimal  
Decimal  
ASCII  
Value of n1  
Value of n2  
1B 5C n1 n2  
27 92 n1 n2  
ESC \ n1 n2  
0 -255  
0 -255  
Standard Mode  
The horizontal direction of the fundamental calculation pitch is used to  
calculate the print starting position.  
Page Mode  
Two types of fundamental calculation pitch are used to calculate the print  
starting position, depending on the value of the Select Print Direction in Page  
Mode command (1B 54 n). For more information see “Page Mode” later in this  
section.  
•
If 1B 54 n = 0 or 2, the horizontal direction of the fundamental calculation  
pitch is used.  
•
If 1B 54 n = 1 or 3, the vertical direction of the fundamental calculation  
pitch is used.  
The command is ignored when the start position specified is beyond the  
beginning or end of the line or outside the printing area width or the left margin.  
Select Justification  
Begins justification as specified by the value of n. Any blank space (for example  
as a result of setting the relative or absolute print position or a tab) is also  
justified.  
3255 4073– 002  
6– 21  
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EFP9800 ESC/POS Commands  
The command is effective only at the beginning of a line. It is ignored when n is  
out of range.  
Hexadecimal  
Decimal  
ASCII  
Value of n  
1B 61 n  
27 97 n  
ESC a n  
0 = Left Justify (default)  
1 = Center  
2 = Right Justify  
The settings do not apply in page mode.  
Select Print Paper(s)  
Selects the paper for printing. (See the following table.) The command is  
effective only at the beginning of a line. It is ignored when n is out of range. The  
default is n = 1.  
Hexadecimal  
Decimal  
ASCII  
1B 63 30 n  
27 99 48 n  
ESC c 0 n  
Paper Type Status  
Bit  
0
Paper Type  
0
1
Receipt/Journal Paper  
Receipt/Journal Paper  
Slip  
Disabled  
Disabled  
Disabled  
Disabled  
Enabled  
Enabled  
Enabled  
Enabled  
1
2
3
Validation  
4-7  
Undefined  
6– 22  
3255 4073– 002  
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EFP9800 ESC/POS Commands  
Notes:  
•
When the paper selection changes, if slip or validation was previously selected, the  
slip or validation paper is ejected.  
•
•
•
When either slip or validation is selected, the printer waits for the paper to be  
inserted.  
When both slip and receipt/journal paper are selected at once, printing on the  
pressure roll is possible only when pressure-sensitive paper is used.  
If the previously selected paper is re-selected, no action takes place.  
Select Paper(s) For Setting Line Spacing  
Selects paper for use with the following commands:  
•
•
•
Select Default Line Spacing (1B 32)  
Set Line Spacing (1B 33)  
Set Slip Eject Length (1B 43)  
The command is ignored if n is out of range. The default is n = 15.  
Hexadecimal  
Decimal  
ASCII  
1B 63 31 n  
27 99 49 n  
ESC c 1 n  
Paper Type Status  
1
Bit  
0
Paper Type  
0
Receipt/Journal Paper  
Receipt/Journal Paper  
Slip  
Not Selected  
Selected  
Selected  
Selected  
Selected  
1
Not Selected  
Not Selected  
Not Selected  
2
3
Validation  
4-7  
Undefined  
Note: If a different line spacing is set for the receipt/journal paper and slip,  
and both are selected for printing, then using the Paper Feed button  
to print and feed paper causes the line spacing to be set for the slip.  
3255 4073– 002  
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EFP9800 ESC/POS Commands  
Select Paper Sensor(s) to Stop Printing  
Selects the paper sensor(s) used to stop printing when the paper-end is  
detected. The printer finishes printing the current line and feeds the paper  
before stopping. After a paper sensor is enabled, printing is stopped only when  
the corresponding paper is currently selected. If multiple sensors are enabled,  
printing stops when any one detects a paper end.  
When the DSW2-3 (DIP switch) is set to Off and the journal paper sensor signals  
a paper end, the printer goes offline after printing stops. When the slip sensor is  
enabled and there is not enough paper for the next print instruction, the printer  
ejects the paper and enters the paper waiting state.  
Hexadecimal  
Decimal  
ASCII  
1B 63 34 n  
27 99 52 n  
ESC c 4 n  
Sensor Status  
1
Bit  
0
Sensor  
0
Receipt/Journal Paper Near-End  
Receipt/Journal Paper Near-End  
Undefined  
Disabled  
Disabled  
Enabled  
Enabled  
1
2-4  
5
Slip (Detects Slip Ejection)  
Undefined  
Disabled  
Disabled  
Enabled  
Enabled  
6
7
Validation (Detects Validation Ejection)  
6– 24  
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EFP9800 ESC/POS Commands  
Enable/Disable Paper Feed Button  
Enables or disables the Paper Feed button.  
Hexadecimal  
Decimal  
ASCII  
1B 63 35 n  
27 99 53 n  
ESC c 5 n  
Note: Only the lowest bit of n is effective. When n is even, the paper feed  
button is enabled and when n is odd, the paper feed button is  
disabled.  
Print and Feed n Lines  
Hexadecimal  
Decimal  
ASCII  
Value of n  
1B 64 n  
27 100 n  
ESC d n  
0 - 255  
The maximum paper feed length is 40 inches. When the value of n x line spacing  
is greater than 40, the paper feed length is set to 40 inches.  
Standard Mode  
Prints the data in the print buffer and feeds n lines. Sets the print starting  
position to the beginning of the line. Line spacing is not affected by this  
command.  
Page Mode  
Sets the print starting position to the beginning of the nth line down from the  
current line (equivalent to doing n line feeds). For more information see “Page  
Mode” later in this section.  
Set Slip Waiting Time  
Sets the time (in m minutes) that the printer waits for a slip to be inserted into  
the slip station and the time (n x 0.1 seconds) for the printer to close the platen  
and start printing once the slip has been inserted.  
If a slip is not inserted in the time specified, the receipt/journal paper is selected  
for the next function. If m = 0, the printer waits forever for a slip to be inserted.  
3255 4073– 002  
6– 25  
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EFP9800 ESC/POS Commands  
When either n or m is out of range, the settings that were in effect before this  
command remain unchanged.  
Hexadecimal  
Decimal  
ASCII  
Value of n  
Value of m  
1B 66 m n  
27 102 m n  
ESC f m n  
0 - 64  
0 - 15  
Generate Pulse  
Outputs a pulse defined by n1 and n2 to open a cash drawer. The drawer  
connector solenoid should have a resistance of 24 ohms or more to avoid  
excessive current flow. Use the printer power supply (drawer connector pin 4)  
to power the drawer.  
Hexadecimal  
Decimal  
ASCII  
Value of n  
Value of m  
1B 70 m n1 n2  
27 112 m n1 n2  
ESC p m n1 n2  
0 - 255  
0, 48 = Drawer connector pin 2  
1, 49 = Drawer connector pin 5  
If n1 > n2, the printer performs the command as n1 = n2  
The command is ignored if m is out of range.  
n1 x 2 milliseconds = Pulse Ontime  
n2 x 2 milliseconds = Pulse Offtime  
Pulse is 2 milliseconds x n (1 or 2).  
Release  
Releases the paper as follows:  
•
If receipt/journal paper was selected, the next operation begins after the  
paper is released.  
•
If slip was selected, the printer enters the paper removal waiting state after  
releasing the paper. After 2 seconds, it enters receipt/journal paper mode.  
Hexadecimal  
Decimal  
ASCII  
1B 71  
27 113  
ESC q  
6– 26  
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EFP9800 ESC/POS Commands  
Select Head Energizing Time  
Selects the head energizing time as specified by n. The head energizing time is  
set for the paper type selected using the Select Print Paper(s) command (1B 63  
30). (When both receipt/journal paper and slip are selected, the head energizing  
mode for slip is enabled.)  
This command is effective only at the beginning of a line.  
Hexadecimal  
Decimal  
ASCII  
Value of n  
1D 45 n  
29 69 n  
GS E n  
0 = Slip/Validation  
1 = Receipt/Journal Paper  
Function Status  
Bit  
0
Function  
0
1
Head Energizing Time  
Undefined  
Slip  
Receipt/Journal Paper  
1-7  
Set Left Margin  
Sets the left margin as specified by n1 and n2. The left margin is calculated by  
[(n1 + 256 x n2) x horizontal direction of the fundamental calculation pitch)].  
See the Set Fundamental Calculation Pitch command (1D 50).  
Hexadecimal  
Decimal  
ASCII  
Value of n  
1D 4C n1 n2  
29 76 n1 n2  
GS L n1 n2  
n1 = 0-255  
n2 = 0-255  
The settings do not apply in page mode.  
•
•
The command is valid only at the beginning of a line.  
The left margin is set for the paper that was selected by the Select Paper(s)  
for Settings command (1B 63 31).  
•
•
If a fraction is part of the result from calculating the left margin, it is  
corrected with the remainder being truncated.  
The maximum value of the printable area is used if any setting is greater  
than that area.  
3255 4073– 002  
6– 27  
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EFP9800 ESC/POS Commands  
•
Any printable area that is less than one character wide will be extended to  
the right enough to print one character. If the area cannot be extended to  
the right, the left margin will then be reduced. See “Set Printable Area  
Width” for more information.  
Set Fundamental Calculation Pitch  
Sets the fundamental calculation pitch.  
Hexadecimal  
Decimal  
ASCII  
Value of n  
Default  
1D 50 n1 n2  
29 80 n1 n2  
GS P n1 n2  
n1 = 0-255  
n2 = 0-255  
n1 = 160  
n2 = 144  
•
The fundamental calculation pitch is set to the following values:  
−
−
1/n1 inches (horizontal direction)  
1/n2 inches (vertical direction)  
•
•
•
The pitches are restored to their default values when n1 = 0 and n2 = 0  
This command will not affect the values set by other commands  
When the command is combined with others, the calculation is truncated to  
the minimum pitch:  
1/160 inch (horizontal), 1/144 inch (vertical)  
Set Printable Area Width  
Sets the width of the printable area as specified by n1 and n2. The default for n1  
=144; for n2 = 1. See the illustrations.  
Hexadecimal  
Decimal  
ASCII  
Value of n  
1D 57 n1 n2  
29 87 n1 n2  
GS W n1 n2  
n1 = 0-255  
n2 = 0-255  
The settings do not apply in page mode.  
•
•
The following calculation is used to set the width of the printable area: [(n1  
+ 256 x n2) x (horizontal direction of the fundamental calculation pitch)].  
See the Set Fundamental Calculation Pitch command (1D 50).  
The command is valid only at the beginning of a line.  
6– 28  
3255 4073– 002  
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EFP9800 ESC/POS Commands  
•
•
•
The width of the printable area is set for the paper that was selected by the  
Select Paper(s) for Settings command (1B 63 31).  
If a fraction is part of the result from calculating the width of the printable  
area, it is corrected with the remainder being truncated.  
If the width of the printable area is less than one character wide (or the  
equivalent of one character wide for a bit image), the width will be  
extended to the right enough to print one character. If the area cannot be  
extended to the right, the left margin will then be reduced.  
Print Characteristics Commands  
These commands affect the appearance of printed information. They control the  
following:  
•
•
•
Character set selection  
Character formatting  
Print orientation  
The commands are listed numerically by hexadecimal code.  
Select/Cancel User-Defined Character Set  
Selects or cancels the user-defined character set, specified by n. A user-defined  
character set and a downloaded bit image cannot be defined simultaneously.  
Only the lowest bit of n is effective. The default is n = 1.  
Hexadecimal  
Decimal  
ASCII  
Value of n  
1B 25 n  
27 37 n  
ESC % n  
0 - 255  
Note: When n is even, the internal character set is selected. When n is odd,  
the user-defined character set is selected.  
3255 4073– 002  
6– 29  
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EFP9800 ESC/POS Commands  
Define User-Defined Characters  
Defines user-defined alphanumeric characters for the specified character codes.  
The character codes may be any between ASCII code 20-7E (95 characters  
possible). User-defined characters remain in effect until:  
•
•
•
A different user-defined character is defined.  
The printer is initialized, reset, or turned off.  
A downloaded bit image is defined.  
A user-defined character set and a downloaded bit image cannot be defined  
simultaneously. When the Define User-Defined Characters command (1B 26) is  
performed, the downloaded bit image is cleared.  
6– 30  
3255 4073– 002  
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EFP9800 ESC/POS Commands  
The command is ignored if the value of v, b, f, or h is out of range. Any following  
data is processed as normal data.  
Hexadecimal  
Decimal  
ASCII  
1B 26 v b f [h u1, l1, u2, l2 .  
. . uh, lh]*  
27 38 v b f [h u1, l1, u2, l2  
. . . uh, lh]*  
ESC & v b f [h u1, l1, u2, l2 . . .  
uh, lh]*  
*The data in [ ] is repeated f - b + 1 times, once for each character to be  
defined.  
Value  
Range (in decimal) Description  
v
2
Fixed to 2  
b
32 - 126  
Beginning character code in range. (To define only 1 character, make  
b = f) b must be ≤ f.  
f
32 - 126  
Final character code. (To define only 1 character,  
make b = f) b must be ≤ f.  
3255 4073– 002  
6– 31  
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EFP9800 ESC/POS Commands  
The following table describes the format of the character data as expressed by  
h, u, and l.  
Value  
Range (in decimal)  
Description  
h
0-10 (7 x 7)  
0-6 (5 x 9)  
Number of u, l pairs (columns)  
ui  
li  
ui = 0-255  
li = 0-255  
Data for column i pins. u = the upper 8 pins. Bit 7 of ui corresponds to  
pin 1, bit 6 of ui corresponds to pin 7, and so on. Bit 0 of ui corresponds  
to pin 8. The illustration on the following page shows graphically the  
character data format.  
Data for column i pin 9. l = the lowest pin. Bit 7 of li corresponds to pin  
9. The illustration on the following page shows graphically the character  
data format.  
Notes:  
•
Each ui li defines data for a 9-pin column of data.  
•
•
Each 1 bit specifies that a pin is printed in the column.  
Each 0 bit specifies that a pin is not printed in the column. Each 0 bit  
specifies that a pin is not printed in the column.  
Both 7 x 7 and 5 x 9 character sets are downloaded using the same format. They  
differ in the range of h and in their use of the downloaded data.  
7 x 7 (40/42/51) character print zone (compressed)  
•
•
•
Range of h: 0-10.  
Half dot character. Width is 10 columns.  
Data in the upper bytes (ui) only are stored. Data in the lower byte (li) is  
treated as 0.  
•
If h < 10, the remaining columns are taken to be 0.  
5 x 9 (33/35/42) character print zone (uncompressed)  
•
•
Range of h: 0-6.  
Full dot character: the printer prints a column of 0’s after each data column  
(defined by ui li)  
•
•
Data in the upper and lower bytes are stored and printed.  
If h < 6, the remaining columns are taken to be 0.  
6– 32  
3255 4073– 002  
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EFP9800 ESC/POS Commands  
The following example redefines the character 20 (H) for 5 x 9:  
1B 21 00 (selects 5 x 9 characters)  
1B 26 02 20 20 05 FE 00 10 00 10 00 10 00 FE 00  
u1  
FE  
1
u5  
FE  
1
10  
0
10  
0
10  
0
1
0
0
0
1
1
0
0
0
1
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
0
l1  
l5  
00  
0
00  
0
00  
0
00  
0
00  
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3255 4073– 002  
6– 33  
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EFP9800 ESC/POS Commands  
The result is the character H as shown in the illustration.  
In order to define characters for either 7 x 7 or 5 x 9, the character set must be  
selected by the Select Print Mode(s) command (1B 21). The characters  
downloaded are stored as the defined character set. Columns are stored in the  
following order: first received in the leftmost column. Any undefined columns  
are set to 0. In the example, 5 of 6 possible columns are downloaded with the  
remainder set to 0.  
Set/Cancel Underline  
Turns underline mode on or off. The default value is n = 0. Underlines cannot  
be printed for 90 degree clockwise rotated characters or for spaces set by the  
Horizontal Tab, Set Absolute Start Position, or Set Relative Print Position  
commands.  
This command and the Select Print Mode(s) command (1B 21) turn underline  
on and off in the same way. This command is ignored if n is out of the specified  
range.  
Hexadecimal  
Decimal  
ASCII  
Value of n  
1B 2D n  
27 45 n  
ESC - n  
0, 48 = Underline off  
1, 49 = Underline on  
6– 34  
3255 4073– 002  
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EFP9800 ESC/POS Commands  
Cancel User-Defined Characters  
Cancels the user-defined character designated by character code n of the  
selected font size. After a particular character is canceled, the corresponding  
built-in character is printed. The printer ignores this command if a user-defined  
character is not defined for the character code n or if n is out of range.  
Hexadecimal  
Decimal  
ASCII  
Value of n  
1B 3F n  
27 63 n  
ESC ? n  
32 - 126  
Set/Cancel Emphasized Mode  
Starts or stops emphasized printing. In emphasized mode, each line is printed  
twice to improve penetration of multiple forms and increase print contrast. The  
second pass is printed the same direction as the first to ensure accuracy of the  
overprint. (Printing speed decreases due to the second printing pass.)  
Emphasized printing cannot be used with bit-images or downloaded bit-images.  
This command and the Select Print Mode(s) command (1B 21) function  
identically. They should have the same setting when used together.  
Hexadecimal  
Decimal  
ASCII  
Value of n  
1B 45 n  
27 69 n  
ESC E n  
0 -255  
The settings do not apply in page mode.  
Note: Only the lowest bit of n is effective. When n is even, emphasized mode  
is turned off and when n is odd, emphasized mode is turned on.  
3255 4073– 002  
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EFP9800 ESC/POS Commands  
Set/Cancel Double-Strike Mode  
Starts or stops double-strike printing. Printer output is the same as in  
emphasized mode. Double-strike printing cannot be used with bit-images or  
downloaded bit-images.  
Hexadecimal  
Decimal  
ASCII  
Value of n  
1B 47 n  
27 71 n  
ESC G n  
0 -255  
The settings do not apply in page mode.  
Note: Only the lowest bit of n is effective. When n is even, double-strike  
mode is turned off and when n is odd, double-strike mode is turned  
on.  
International Character Set  
Selects and international character set as defined by n. The character sets are  
described in the International Character Code table and Hebrew Code table that  
follow.  
Hexadecimal  
Decimal  
ASCII  
Value of n  
1B 52 n  
27 82 n  
ESC R n  
0 = USA  
1 = France  
2 = Germany  
3 = UK  
4 = Denmark I  
5 = Sweden  
6 = Italy  
7 = Spain  
8 = Japan  
9 = Norway  
10 = Denmark II  
11 = Hebrew  
6– 36  
3255 4073– 002  
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EFP9800 ESC/POS Commands  
3255 4073– 002  
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EFP9800 ESC/POS Commands  
6– 38  
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EFP9800 ESC/POS Commands  
Set/Cancel 90 Degree Clockwise Rotation  
Starts or stops 90 degree clockwise rotated printing. Underlining may be on in  
rotated mode, but characters are not underlined.  
The command is ignored when n is out of range.  
Hexadecimal  
Decimal  
ASCII  
Value of n  
1B 56 n  
27 86 n  
ESC V n  
0 = Cancel 90 degree clockwise rotation (Default)  
1 = Start 90 degree clockwise rotation  
(1-dot character spacing)  
The settings do not apply in page mode.  
Select Character Code Table  
Selects the character code table specified by the value of n. The command is  
ignored if n is out of range.  
Hexadecimal  
Decimal  
ASCII  
1B 74 n  
27 116 n  
ESC t n  
Value of n  
Character Code Table  
0 (default)  
Code Page 437 (PC US)  
Code Page 850 (PC Multilingual)  
Code Page 852 (Eastern European)  
Code Page 865 (Nordic Languages)  
Space Page  
1
2
3
254  
255  
Space Page  
Set/Cancel Upside Down Printing  
Starts or stops upside down printing. In upside down printing, the printer  
rotates the print line 180 degrees and then prints it.  
The command is only effective at the beginning of a line.  
Hexadecimal  
Decimal  
ASCII  
Value of n  
1B 7B n  
27 123 n  
ESC { n  
0 -255  
The settings do not apply in page mode.  
3255 4073– 002  
6– 39  
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EFP9800 ESC/POS Commands  
Note: Only the lowest bit of n is effective. When n is even, upside down  
printing is turned off and when n is odd, upside down printing is  
turned on.  
Graphics Commands  
These commands are used to control the way graphics are entered or printed.  
They are listed in numerical order of their hexadecimal codes.  
Select Bit Image Mode  
Selects the bit image mode using m. The number of dots is specified by n1 and  
n2. The number of horizontal dots is calculated as: n1 + 256 x n2.  
After printing a bit image, the printer returns to normal mode.  
If the bit image data exceeds the number of dots that can be printed on a line,  
the excess data is ignored. The command is ignored if m or n2 is out of range.  
6– 40  
3255 4073– 002  
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EFP9800 ESC/POS Commands  
See the illustration for a graphic representation of the bit image.  
Hexadecimal  
Decimal  
ASCII  
1B 2A m n1 n2 [d]  
(n1 + 256 x n2)*  
27 58 m n1 n2 [d]  
(n1 + 256 x n2)*  
ESC * m n1 n2 [d]  
(n1 + 256 x n2)*  
*There are n1 + 256 x n2 data columns (the value [d]).  
The value n1 + 256 x n2 does not appear in the data  
stream.  
Value of Range  
Description  
m
n1  
n2  
d
0,1  
Selects the bit image mode.  
0 - 255  
0 - 3  
Parameter used to calculate number of horizontal dots is n1 + 256 x n2.  
Parameter used to calculate number of horizontal dots is: n1 + 256 x n2.  
Bit image data. Set a corresponding bit to 1 to print a dot or 0 to not print a dot.  
0 - 255  
Horizontal Direction (Standard Mode)  
m
0
Vertical Dots  
Dot Density  
Adjacent Dot Specification  
Permitted  
Total Dots  
200  
8
8
Single-Density  
*Double-Density  
1
Prohibited  
400  
*Not applicable in page mode.  
3255 4073– 002  
6– 41  
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EFP9800 ESC/POS Commands  
Define Downloaded Bit Image  
Defines a downloaded bit image as specified by n1 and n2.  
Hexadecimal  
Decimal  
ASCII  
1D 2A n1 n2 [d] (n1 x n2 x 8)*  
29 42 n1 n2 [d] (n1 x n2 x 8)*  
GS * n1 n2 [d] (n1 x n2 x 8)*  
*There are n1 x n2 x 8 data columns (the value [d]). The value n1 x n2 x 8  
does not appear in the data stream.  
Value of n1  
Va Value of n1 x n2  
lue  
of  
n2  
1 - 255  
1 -  
25  
5
1 - 512  
The bit image data is represented by d. The number of dots is:  
•
•
n1 x 8 in the horizontal direction  
n2 x 8 in the vertical direction  
The downloaded bit image remains in effect until:  
•
•
•
A different downloaded bit image is defined.  
The printer is initialized, reset, or turned off.  
A user-defined character set is defined.  
A user-defined character set and a downloaded bit image cannot be defined  
simultaneously. When the Define Downloaded Bit Image command (1D 2A) is  
performed, the user-defined character set is cleared.  
The relationship between the bit image data and the defined dots is shown  
below.  
6– 42  
3255 4073– 002  
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EFP9800 ESC/POS Commands  
The command is ignored if n1 x n2 is out of range.  
Print Downloaded Bit Image  
Prints a downloaded bit image in the mode specified by m. If a downloaded bit  
image exceeds one line, the excess data is not printed. Downloaded bit images  
and user-defined character sets cannot be used simultaneously.  
Any dots outside the selected print area are discarded.  
Note: In page mode Double density print is disabled.  
3255 4073– 002  
6– 43  
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EFP9800 ESC/POS Commands  
The command is ignored if:  
•
•
•
Data is present in the print buffer.  
A downloaded bit image is not defined.  
The value of m is out of range.  
Hexadecimal  
Decimal  
ASCII  
Value of m  
1D 2F m  
29 47 m  
GS / m  
(See table below)  
Horizontal Direction  
Adjacent Dot Specification  
Prohibited  
m
0
Dot Density  
Double-Density  
Single-Density  
Max. Dots  
400  
1
Permitted  
200  
Printer Status Commands  
These commands enable the printer to communicate with the host computer  
following the selected handshaking protocol, DTR/DSR, XON/XOFF, or bi-  
directional parallel. They are stored in the printer’s data buffer as they are  
received, and are handled by the firmware in the order in which they were  
received.  
When a fault occurs, the printer goes busy at the RS-232C interface and does not  
respond to the Printer Status commands. If the fault causing the busy condition  
can be cleared, such as by loading paper the printer will resume processing the  
data in its receive buffer.  
If a paper jam caused the busy condition and the application is not using Real  
Time commands for status and recovery, clear the jam and press the reset  
button to cycle the printer. See the following section, “Real Time Commands”  
for details about the Real Time commands.  
The commands are listed numerically by hexadecimal code.  
6– 44  
3255 4073– 002  
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EFP9800 ESC/POS Commands  
Transmit Peripheral Device Status  
Transmits the status of drawer connector pin 3.  
Hexadecimal  
Decimal  
ASCII  
Value of n  
0, 48 = Drawer connector pin 3  
1B 75 n  
27 117 n  
ESC u n  
Bit  
0
Function  
Pin Level 3  
0
1
Low  
High  
1-3  
4
Undefined  
Not Used  
Undefined  
Not Used  
Always 0  
Always 0  
5-6  
7
Note: When the connector is not used, bit 0 = 1.  
When DTR/DSR control is selected, the printer confirms that the host computer  
is ready to receive data (DSR signal is SPACE) and then transmits only one  
byte. If the host computer is not ready to receive data (DSR signal is MARK),  
the printer waits until the host computer is ready.  
When XON/XOFF control is selected, the printer transmits only 1 byte before  
checking the DSR signal.  
Because status is transmitted when this command is buffered, there may be a  
lag between command reception and status transmission, depending on the  
receive buffer state.  
Note: When the Enable/Disable Automatic Status Back (ASB) command (1D  
61) is enabled, the status transmitted by ASB and by this command  
must be distinguished.  
The command is ignored if n is out of range.  
3255 4073– 002  
6– 45  
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EFP9800 ESC/POS Commands  
Transmit Paper Sensor Status  
Transmits the status of a paper sensor.  
Hexadecimal  
Decimal  
ASCII  
1B 76  
27 118  
ESC v  
Receipt/Journal Paper Out Switch Status  
1
Bit  
Receipt/Journal Paper Out Switch  
Sensor  
0
0
1
Receipt/Journal Paper Near End Paper Low Not Detected Paper Low Detected  
Receipt/Journal Paper Near End Paper Low Not Detected Paper Low Detected  
2-3 Undefined  
4
5
6
7
Not Used  
Always 0  
Slip/Validation  
Slip/Validation  
Not Used  
Slip Present  
Slip Present  
Always 0  
Slip Not Present  
Slip Not Present  
Note: Slip status may not be accurate for paper with holes.  
When this command is performed during printing, status is transmitted after the  
current line is printed and fed. (This timing differs from that for the Transmit  
Peripheral Device Status, Transmit Printer ID, and Transmit Printer Status  
commands.)  
When DTR/DSR control is selected, the printer confirms that the host computer  
is ready to receive data (DSR signal is SPACE) and then transmits only one  
byte. If the host computer is not ready to receive data (DSR signal is MARK),  
the printer waits until the host computer is ready.  
When XON/XOFF control is selected, the printer transmits only 1 byte before  
checking the DSR signal.  
Because status is transmitted when this command is buffered, there may be a  
lag between command reception and status transmission, depending on the  
receive buffer state.  
6– 46  
3255 4073– 002  
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EFP9800 ESC/POS Commands  
Note: When the Enable/Disable Automatic Status Back (ASB) command is  
enabled, the status transmitted by ASB and by this command must be  
distinguished.  
Transmit Printer ID  
Transmits the printer’s ID to the host computer.  
Hexadecimal  
Decimal  
ASCII  
Value of n  
1D 49 n  
29 73 n  
GS I n  
1-3  
The following table shows the printer ID as specified by n.  
n
1
2
3
Printer ID  
Model ID  
Specification  
ID  
Unisys EFP9800  
See the next table  
0A (Hex)  
Type ID  
ROM Version  
Indicates the version of ROM  
installed  
Type ID (from previous table); n = 2  
Type ID Status  
1
Bit  
Function  
0
0
Two-Byte Code  
Correspondence  
Always 0  
No correspondence  
Correspondence  
On  
1
Not Used  
Always 0  
Off  
2
DSW2-1 Setting  
Undefined  
Not Used  
3
4
Always 0  
Always 0  
5-6  
7
Undefined  
Not Used  
3255 4073– 002  
6– 47  
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EFP9800 ESC/POS Commands  
•
•
•
The printer transmits only one byte after confirming that the host computer  
is ready when DTR/DSR protocol is selected. One byte is transmitted  
without confirming the signal when XON/XOFF protocol is selected.  
When the command is buffered, a status is sent causing a possible delay  
between when the command is received by the host computer and the  
status sent. This is dependent on the state of the receive buffer.  
When the Enable/Disable Automatic Status Back command (1D 61) is used  
to enable Auto Status Back, the status transmitted by this command  
(Transmit Printer ID) and the Auto Status Back must be differentiated.  
•
•
The ROM version may depend on releases of the product.  
The command is ignored if n is out of the specified range.  
Enable/Disable Automatic Status Back (ASB)  
Enables or disables automatic status back (ASB) and specifies the status items  
to include.  
Hexadecimal  
Decimal  
ASCII  
1D 61 n  
29 97 n  
GS a n  
The bits of n are defined as follows:  
Function Status  
1
Bit  
0
Function  
0
Cash Drawer Connector Pin 3  
Online/Offline  
Disabled  
Disabled  
Disabled  
Disabled  
Enabled  
Enabled  
Enabled  
Enabled  
1
2
Error  
3
Receipt/Journal Paper Out Switch  
Undefined  
4
5
Slip Sensor/Slip Status  
Undefined  
Disabled  
Enabled  
6-7  
Note: Status information may not be accurate when using paper with  
holes.  
6– 48  
3255 4073– 002  
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EFP9800 ESC/POS Commands  
If any of the status items listed above are selected, ASB is enabled and the  
printer automatically transmits 4 status bytes whenever the selected status  
changes. If no status is selected, ASB is disabled.  
In RS-232C communications, all four status bytes are transmitted without  
checking DSR. The four bytes must be consecutive, except for XOFF code.  
Because status is transmitted when this command is buffered, there may be a  
lag between command reception and status transmission, depending on the  
receive buffer state.  
Note: When this command is enabled, the status transmitted by ASB and by  
the Real Time Status Transmission, Transmit Peripheral Device  
Status, Transmit Paper Sensor Status, Transmit Printer ID, and  
Transmit Status commands must be distinguished.  
3255 4073– 002  
6– 49  
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EFP9800 ESC/POS Commands  
The transmitted status is shown in the following tables:  
First Byte (printer information)  
Printer Status  
1
Bit  
0-1  
2
Printer Function  
Not Used  
0
Always 0  
Low  
Cash Drawer Connector, Pin 3  
Online/Offline State  
Not Used  
High  
3
Online  
Offline  
4
Always 1  
Closed  
5
Cover State  
Closed  
6
Paper Feed using Paper Feed Button  
Not Used  
Not Feeding  
Always 0  
Feeding  
7
Second Byte (error information)  
Error Status  
Bit  
0-1  
2
Error Type  
0
1
Undefined  
Mechanical Error  
Undefined  
No Error  
Error  
3
4
Not Used  
Always 0  
No Error  
Always 0  
5
Unrecoverable Error  
Not Used  
Error  
6-7  
6– 50  
3255 4073– 002  
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EFP9800 ESC/POS Commands  
Third Byte (paper sensor information)  
Receipt/Journal Paper Out Switch Status  
1
Bit  
0
Receipt/Journal Paper Out Switch  
0
Receipt/Journal Paper Near End  
Paper Low Not Detected  
Paper Low Not Detected  
Paper Low Detected  
Paper Low Detected  
1
Receipt/Journal Paper Near End  
2-3  
4
Undefined  
Not Used  
Slip  
Always 0  
5
Slip Present  
Slip Present  
Always 0  
Slip Not Present  
Slip Not Present  
6
Slip  
7
Not Used  
Fourth Byte (slip sensor information)  
Slip Sensor Status  
1
Bit  
0
Slip Sensor  
Slip Paper  
0
Selected  
Printable  
Selected  
Printable  
Always 0  
Slip Present  
Slip Present  
Always 0  
Not Selected  
Not Printable  
Not Selected  
Not Printable  
1
Slip Paper Status  
Validation Paper  
Validation Paper Status  
Not Used  
2
3
4
5
Slip  
Slip Not Present  
Slip Not Present  
6
Slip  
7
Not Used  
3255 4073– 002  
6– 51  
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EFP9800 ESC/POS Commands  
Notes for Bit 1:  
•
•
•
The slip paper status becomes 0 (Printable) after paper is loaded and  
becomes 1 (Not Printable) when the paper is ejected or the printer times  
out.  
When the slip paper is selected and the printer goes into the slip waiting  
state, bits 5 and 6 of the third byte become 1 (No Paper) and bits 0 and 1 of  
the fourth byte become 0 (Slip Selected) and 1 (Not Printable) respectively.  
When the paper sensor for slip paper is disabled using the Select Paper  
Sensor(s) to Stop Printing command (1B 63 34), the slip status does not  
become 1 (Not Printable) even when there is no printable area. To avoid  
this, confirm the printable area using the Transmit Status command (1D  
72).  
Notes for Bit 3:  
•
The validation paper state becomes 0 (Printable) after paper is loaded and  
becomes 1 (Not Printable) when the paper is ejected or the printer times  
out.  
•
When the validation paper is selected and the printer goes into the  
validation waiting state, bits 5 and 6 of the third byte become 1 (No Paper)  
and bits 2 and 3 of the fourth byte become 0 (Validation Selected) and 1  
(Not Printable) respectively.  
•
When the paper sensor for validation paper is disabled using the Select  
Paper Sensor(s) to Stop Printing command (1B 63 34), the validation status  
does not become 1 (Not Printable) even when there is no printable area. To  
avoid this, confirm the printable area using the Transmit Status command  
(1D 72).  
The default values for n are:  
•
•
when DIP switch 2-3 are Off.  
when DIP switch 2-3 are On.  
6– 52  
3255 4073– 002  
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EFP9800 ESC/POS Commands  
Identifying Auto Status Back Bytes Transmitted by the Printer  
The printer transmits status to the host computer in several ways as shown in  
the following table:  
Pattern of status bytes  
Printer response to a status request from host computer  
Transmit Peripheral Device Status (1B 75)  
Transmit Paper Sensor Status (1B 76)  
Transmit Printer ID (1D 49)  
sent by printer  
0**0****  
0**0****  
0**0****  
0**0****  
0**1**10  
Transmit Status (1D 72)  
Real Time Status Transmission  
Auto Status Back (1D 61)  
First Byte  
0**1**00  
0**0****  
Following Bytes  
XON (Communication Protocol)  
XOFF (Communication Protocol)  
00010001  
00010011  
Note that the pattern of the second, third, and fourth bytes of the Auto Status  
Back command is identical to the Transmit Status commands (first four  
commands listed in the table). This can be confusing. When using the Auto  
Status Back command, look for the pattern of the first byte. It will always  
precede the following three bytes. Do not confuse the last three bytes of the  
Auto Status command with the Transmit Status commands.  
3255 4073– 002  
6– 53  
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EFP9800 ESC/POS Commands  
Transmit Status  
Transmits the status specified by the value of n.  
In RS-232C communications, when DTR/DSR control is selected, the printer  
confirms that the host computer is ready to receive data (DSR signal is SPACE)  
and then transmits only one byte. If the host computer is not ready to receive  
data (DSR signal is MARK), the printer waits until the host computer is ready.  
When XON/XOFF control is selected, the printer transmits only 1 byte before  
checking the DSR signal.  
Because status is transmitted when this command is buffered, there may be a  
lag between command reception and status transmission, depending on the  
receive buffer state.  
Note: When the Enable/Disable Automatic Status Back (ASB) command (1D  
61) is enabled, the status transmitted by ASB and by this command  
must be distinguished.  
Paper sensor status and slip status may not be accurate for paper with holes.  
6– 54  
3255 4073– 002  
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EFP9800 ESC/POS Commands  
The command is ignored if n is out of range.  
Hexadecimal  
Decimal  
ASCII  
1D 72 n  
29 114 n  
GS r n  
The transmitted status is shown in the tables below:  
n = 1: Receipt/Journal Paper Out Switch Status  
Receipt/Journal Paper Out Switch Status  
Bit  
Receipt/Journal Paper Out Switch  
Sensor  
0
1
0
Receipt/Journal Paper Near End  
Paper Low Not Detected  
Paper Low Not Detected  
Paper Low Detected  
Paper Low Detected  
1
Receipt/Journal Paper Near End  
2-3  
4
Undefined  
Not Used  
Slip  
Always 0  
5
Slip Present  
Slip Present  
Always 0  
Slip Not Present  
Slip Not Present  
6
Slip  
7
Not Used  
n = 2: Cash Drawer Connector Status  
Cash Drawer Connector Status  
1
Bit  
0
Cash Drawer Connector  
Pin 3 Level  
0
Low  
High  
1-3  
4
Undefined  
Not Used  
Always 0  
Always 0  
5-6  
7
Undefined  
Not Used  
3255 4073– 002  
6– 55  
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EFP9800 ESC/POS Commands  
n = 3: Slip Status  
(Transmits the values 00H - 0FH, indicating the remaining printable area)  
Number of  
Remaining Dots  
Slip Status (Hexadecimal)  
0 - 8  
00 (Transmitted when there is not enough  
paper for the next instruction)  
9 - 17  
18 -26  
:
01  
02  
:
117 - 125  
126 -134  
135 -  
0D  
OE  
OF  
6– 56  
3255 4073– 002  
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EFP9800 ESC/POS Commands  
Real Time Commands  
The following three situations must be understood when using real time  
commands.  
1. First, the printer performs the real time command upon receiving it and will  
transmit status regardless of the condition of the DSR signal.  
2. Second, the printer transmits status whenever it receives the real time  
status transmission command sequence, even if that sequence happens to  
occur within the data of another command, such as graphics data.  
In this case, the sequence is handled correctly for its intended use.  
3. Care must be taken not to send a real time command within the data  
sequence of another command that consists of two or more bytes.  
In this case the printer will use the real time command sequence bytes  
instead of the other command’s bytes when finally performing that other  
command from the buffer. The other command will not be performed  
correctly.  
These three situations generally preclude use of standard DOS drivers for the  
serial communication ports when using real time commands.  
If RS-232C communications, another consideration is that an application should  
take care not to let the buffer fill up with real time commands when the printer  
is busy at the RS-232C interface. A busy condition at the RS-232C interface can  
be determined by bit 3 of the response to DLE EOT 1. The reason for a  
particular busy condition can be determined by other responses to DLE EOT n.  
Although the printer responds to real time commands when it is busy, it will  
place them into the buffer behind any other data there, and flush them out in  
the order in which they were received. When the printer is busy due simply to  
buffer full (that is, it can’t print data as fast as it can receive it), then data  
continues to be processed out of the buffer at approximately print speed and  
the real time commands will eventually get flushed out.  
When the printer is busy due to an error condition, then data stops being  
processed out of the buffer until the condition clears one way or another. In  
either case, but more quickly in the case of an error condition, the buffer can fill  
with real time commands.  
When the DLE sequences are being used, the last byte stored when the buffer  
fills up could be the DLE code, with no room for the subsequent EOT or ENQ.  
3255 4073– 002  
6– 57  
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EFP9800 ESC/POS Commands  
To guard against this situation, an application should determine the cause of a  
busy condition and take appropriate action or pace further real time commands  
to avoid filling the buffer. There are a minimum of 256 bytes available in the  
printer’s buffer when it goes busy.  
The commands are listed numerically by hexadecimal code.  
Real Time Status Transmission  
Transmits the printer status in real time. In RS-232C communications, the  
printer transmits only one status byte before checking the DSR state. The  
command is ignored if n is out of the specified range. Slip status may be  
incorrect for paper with holes.  
Hexadecimal  
Decimal  
ASCII  
Value of n  
10 04 n  
16 4 n  
DLE EOT  
1 = Transmit Printer Status  
2 = Transmit Offline Status  
3 = Transmit Error Status  
4 = Transmit Receipt/Journal Paper Low  
Switch Status  
5 = Transmit Slip Paper Status  
6 = Transmit Validation Paper Status  
The printer performs this command even when it is offline, receive buffer is full,  
or in an error state. Do not use this command within the data sequence of  
another command that consists of two or more bytes. The Real Time Status  
Transmission command is transmitted any time the command sequence 10 04 (n  
= 1-6) is received, even if the sequence is part of another command.  
6– 58  
3255 4073– 002  
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EFP9800 ESC/POS Commands  
n = 1: Printer Status  
Printer Status  
Bit  
0
Printer Function  
0
1
Not Used  
Always 0  
1
Not Used  
Always 1  
High  
2
Cash Drawer Connector, Pin 3  
Online/Offline State  
Not Used  
Low  
3
Online  
Offline  
Always 1  
4
5-6  
7
Undefined  
Not Used  
Always 0  
n = 2: Offline Status  
Offline Status  
Bit  
0
Description  
Not Used  
Not Used  
Not Used  
0
1
Always 0  
1
Always 1  
2
Always 0  
3
Paper Feeding with Feed  
Button  
Except During Paper Feeding During Paper  
Feeding  
4
5
Not Used  
Always 1  
Printing Stop Due to Paper No Paper End Stop  
End  
Stop at Paper End  
6
7
Error  
No Error  
Always 0  
Error  
Not Used  
Note: When printing has stopped because the paper sensor(s) did not detect paper, Bit 5 is 1  
(otherwise 0).  
3255 4073– 002  
6– 59  
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EFP9800 ESC/POS Commands  
n = 3: Error Status  
Error Status  
1
Bit  
0
Description  
Not Used  
0
Always 0  
1
Not Used  
Always 1  
Error  
2
Mechanical Error  
Undefined  
Not Used  
No Error  
3
4
Always 1  
Error  
5
Unrecoverable Error No Error  
Not Used Always 0  
6-7  
Note: For Bit 2, mechanical errors include home position detection,  
carriage detection, and slip ejection errors. If the error is due to a  
paper jam or similar condition, the printer can be recovered with  
DLE ENQ n (1 ≤ n ≥ 2) after the jam is cleared. If the error is due to a  
circuit failure (i.e., a wire break), the printer cannot be recovered.  
n = 4: Receipt/Journal Paper Out Switch Status  
Receipt/Journal Paper Out Switch Status  
Bit  
0
Receipt/Journal Paper Out Switch  
Not Used  
0
1
Always 0  
1
Not Used  
Always 1  
2
Journal Paper Near End  
Journal Paper Near End  
Not Used  
Paper Low Not Detected  
Paper Low Not Detected  
Paper Low Detected  
Paper Low Detected  
Always 1  
3
4
5-6  
7
Undefined  
Not Used  
Always 0  
6– 60  
3255 4073– 002  
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EFP9800 ESC/POS Commands  
n = 5: Slip Paper Status  
Slip Paper Status  
Bit  
0
Slip Paper Function  
0
1
Not Used  
Always 0  
1
Not Used  
Always 1  
2
Slip Paper Selection  
Slip Insertion Waiting  
Not Used  
Selected  
Not Selected  
Waiting  
3
Not Waiting  
4
Always 1  
5
Slip/Validation Sensor  
Slip/Validation Sensor  
Not Used  
Slip Present  
Slip Present  
Always 0  
Slip Not Present  
Slip Not Present  
6
7
Notes:  
•
For Bit 2, there is a lag between receipt of the Select Print Paper(s)  
command (1B 63 30) and the slip selection. During this time, Bit 2  
remains 1 (slip paper not selected).  
•
•
Bit 3 switches to 0 (not waiting) immediately after a slip is detected.  
Bits 5 and 6 transmit the current state of the slip when the paper is  
clamped.  
3255 4073– 002  
6– 61  
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EFP9800 ESC/POS Commands  
n = 6: Validation Paper Status  
Validation Paper Status  
1
Bit  
0
Validation Paper Function  
Not Used  
0
Always 0  
1
Not Used  
Always 1  
Not Selected  
Waiting  
2
Validation Paper Selection  
Validation Insertion Waiting  
Not Used  
Selected  
3
Not Waiting  
4
Always 1  
5
Validation Sensor  
Slip/Validation Sensor  
Not Used  
Validation Present  
Validation Present  
Always 0  
Validation Not Present  
Validation Not Present  
6
7
Note: For Bit 2, there is a lag between receipt of the Select Print Paper(s)  
(1B 63 30) and bits 5 and 6 (transmit the current state of the  
slip/validation sensor).  
Real Time Request to Printer  
Responds to a request from the host computer. The request is specified by the  
value of n. (See table below.) The printer performs the command upon receipt.  
The command is ignored if n is out of the specified range.  
Hexadecimal  
Decimal  
ASCII  
Value of n  
10 05 n  
16 5 n  
DLE ENQ n  
1 = Recover and restart printing at line  
where error occurred.  
2 = Recover and clear buffers.  
3 = Cancel slip waiting.  
The printer performs this command even when it is offline, in an error state, or  
the receive buffer is full.  
6– 62  
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EFP9800 ESC/POS Commands  
Do not use this command within the data sequence of another command that  
consists of two or more bytes. For example, if you send the Set Line Spacing  
(ASCII code ESC 3 n) to the printer, and a Real Time Request to Printer  
command (10 05 n) interrupts before n is received, the code 10 for 10 05 n is  
processed as the value of n for ESC 3 n.  
The Real Time Request to Printer command is transmitted any time the  
command sequence 10 05 (1 ≤ n ≥ 3) is received, even if the sequence is part of  
another command.  
n= 1 is available for errors.  
n= 2 is available for errors. The printer retains settings, such as Line Spacing  
and Print Mode, that were in effect when the error occurred. Use the Initialize  
Printer command (1B 40) together with this command to completely initialize  
the printer. This command is enabled even if the printer is unselected using the  
Select Peripheral Device Status command (1B 3D).  
n= 3 is available only when the printer is waiting for the insertion of a slip. It is  
ignored in all other states. Before performing this command, use the Real Time  
Status Transmission command (10 04 n) to ensure that slip is selected and that  
the printer is in the slip waiting state. After the printer is released from the slip  
waiting state, journal paper is selected. After the slip waiting state is canceled,  
the receive and print buffers are cleared. This command is enabled even if the  
printer is unselected using the Select Peripheral Device Status command (1B  
3D).  
3255 4073– 002  
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EFP9800 ESC/POS Commands  
Bar Code Commands  
These commands format and print bar codes on the receipt station.  
Select Printing Position of HRI Characters (Receipt Station)  
Prints HRI characters (Human Readable Interface) above or below the bar code.  
Hexadecimal  
Decimal  
ASCII  
Value of n (Printing Position)  
Default  
1D 48 n  
29 72 n  
GS H n  
0 = Not Printed  
0
1 = Above the Bar Code  
2 = Below the Bar Code  
3 = Both Above and Below the Bar Code  
Select Pitch of HRI Characters (Receipt Station)  
This command is not implemented and is ignored if received.  
Hexadecimal  
Decimal  
ASCII  
Value of n (Pitch)  
Default  
1D 66 n  
29 102 n  
GS f n 0 = Standard Pitch at CPI  
0
1 = Compressed Pitch at 19 CPI  
Select Height of Bar Code (Receipt Station)  
Sets the bar code height to n dots or n/144 inch. n is rounded up to the nearest  
multiple of 16.  
Hexadecimal  
Decimal  
ASCII  
Value of n Default  
1-255 112  
1D 68 n  
29 104 n  
GS H n  
6– 64  
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EFP9800 ESC/POS Commands  
Print Bar Code (Receipt Station)  
Selects the bar code type and prints a bar code for the ASCII characters  
entered. The command is only valid at the beginning of a line. If the width of the  
bar code exceeds one line, the excess data is not printed. Illegal data cancels  
the command.  
There are two variations to this command: the first uses a NULL character to  
terminate the string; the second uses a length byte at the beginning of the string  
to compensate for the Code 128 bar code which can accept a NULL character as  
part of the data.  
Note: Fixed-length codes can be aligned left, center, or right using the Align  
Positions command (1B 61). Variable-length codes are always center  
aligned.  
The check digit is calculated for UPC and JAN (EAN) codes if it is not sent from  
the host computer. Six-character zero-suppressed UPC-E tags are generated  
from full 11 or 12 characters sent from the host computer according to standard  
UPC-E rules. Start/Stop characters are added for Code 39 if they are not  
included.  
3255 4073– 002  
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EFP9800 ESC/POS Commands  
First Variation: String terminated with NULL Character  
Hexadecimal  
Decimal  
ASCII  
1D 6B m [d]n 00  
29 107 m [d]n 0  
GS k m [d]n NUL  
0 = End of command.  
m = 0-6 (see the table)  
d = 32-126 (see the table)  
n = 1-255 (see the table)  
m
Bar Code  
d
n, Length  
0
UPC-A  
48- 57 (ASCII numerals)  
Fixed Length: 11,  
12  
1
2
UPC-E  
48- 57  
48- 57  
48- 57  
Fixed Length: 11,  
12  
JAN13 (EAN)  
Fixed Length: 12,  
13  
3
4
JAN8 (EAN)  
Code 39  
Fixed Length: 7,8  
Variable Length  
48- 57,  
65- 90 (ASCII alphabet),  
32, 36, 37, 43, 45, 46, 47 (ASCII special characters)  
d1 = dk = 42 (start/stop code is supplied by printer if  
necessary)  
5
6
Interleaved 2 of  
5
48- 57  
Variable Length  
(Even Number)  
Codabar  
65- 68, start code  
48- 57,  
Variable Length  
36, 43, 45, 46, 47, 58  
6– 66  
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EFP9800 ESC/POS Commands  
Second Variation: Length of Byte Specified at Beginning of String  
Hexadecimal  
Decimal  
ASCII  
1D 6B m [d]n  
29 107 m [d]n  
GS k m [d]n  
m = 65-71, 73 (see the table)  
d =0-127 (see the table)  
n = 1-255 (see the table)  
The value of m selects the bar code system as described in the table. When data  
is present in the print buffer, the printer processes the data following m as  
normal data.  
The variable d indicates the character code to be encoded into the specified bar  
code system. See the table. If character code d cannot be encoded, the printer  
prints the bar code data processed so far, and the following data is treated as  
normal data.  
3255 4073– 002  
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EFP9800 ESC/POS Commands  
m
Bar Code  
d
n, Length  
65 UPC-A  
48- 57 (ASCII numerals)  
Fixed Length: 11, 12  
Fixed Length: 11, 12  
Fixed Length: 12, 13  
Fixed Length: 7, 8  
Variable  
66 UPC-E  
48- 57  
48- 57  
48- 57  
67 JAN13 (EAN)  
68 JAN8 (EAN)  
69 CODE39  
48- 57,  
65- 90 (ASCII alphabet),  
32, 36, 37, 43, 45, 46, 47 (ASCII special characters)  
d1 = dk = 42 (start/stop code is supplied by printer if  
necessary)  
70 Interleaved 2 of 5 (ITF)  
48- 57  
Variable  
(Even Number)  
71 CODABAR  
(NW-7)  
65- 68, start code  
Variable  
48- 57,  
36, 43, 45, 46, 47, 58  
0-105  
73 Code 128*  
Variable  
d1 = 103-105 (must be a Start code)  
d2 = 0-102 (data bytes)  
(Stop code is provided by the printer)  
Select Horizontal Size of Bar Code (Receipt Station)  
Sets the bar code width to n full dots or n/152 inch (n/6 mm).  
Hexadecimal  
Decimal  
ASCII  
Value of n  
Default  
1D 77 n  
29 119 n  
GS w n 2, 3, 4  
3
6– 68  
3255 4073– 002  
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EFP9800 ESC/POS Commands  
Page Mode  
Overview  
Page mode is one of two modes which the EFP9800 printer uses to operate.  
Standard mode is typical of how most printers operate by printing data as it is  
received and feeding paper as the various paper feed commands are received.  
Page mode is different in that it processes or prepares the data as a “page” in  
memory before it prints it. Think of this as a virtual page. The page can be any  
area within certain parameters that you define. Once the printer receives the  
Eject Slip command (0C), it prints the page and returns the printer to standard  
mode.  
The Select Page Mode command (1B 4C) puts the printer into page mode. Any  
commands that are received are interpreted as page mode commands. Several  
EFP9800 commands react differently when in standard mode and page mode.  
The descriptions of these individual commands in this section indicate the  
differences in how they operate in the two modes.  
3255 4073– 002  
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EFP9800 ESC/POS Commands  
Limitations  
Be aware of the following limitations in page mode:  
•
Bi-directional printing may cause problems and should be avoided.  
Use Set/Cancel Uni-Directional Printing (1B 55) to set uni-directional  
printing.  
•
Half dots cannot be used.  
Page mode requires full dots for 5 x 9 dot font characters (user defined) and  
bit images. Convert any half-dot values referenced in the following  
commands to full dot values:  
Set Right-Side Character Spacing (1B 20)  
Position (1B 24)  
Set Absolute Starting  
Set Relative Print Position (1B 5C)  
Set Horizontal Tab Positions (1B 44)  
Set Printing Area in Page Mode (1B 57)  
Set Line Spacing (1B 33)  
Print and Feed Paper (1B 4A)  
•
Because of the need to use full dot values only, the following commands are  
limited in how they are used in page mode:  
−
Select Print Modes (1B 21): Double-strike and all 7 x 7 selections  
are not valid. Double-high, double-wide, and underlined selections  
can be used.  
−
−
Select Bit Image Mode (1B 2A): Double-Density bit images cannot  
be used. Single-density can be used.  
Print Downloaded Bit Image (1D 2F): Double-Density bit images  
cannot be used. Single-density can be used.  
•
Set/Cancel Double-Strike Mode (1B 47) cannot be used to double-strike  
characters in page mode.  
6– 70  
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EFP9800 ESC/POS Commands  
Command Settings in Both Modes  
The command settings are treated the same in page mode as they are in  
standard mode. However, there are some differences:  
•
The settings for the following commands are set independently in both  
modes:  
Set Right-Side Character Spacing (1B 20)  
Spacing (1B 32)  
Set Line Spacing (1B 33)  
Printing (1B 55)  
Set Line Spacing to Default  
Set/Cancel Uni-Directional  
•
Horizontal tabs are treated somewhat differently in both modes. In  
standard mode, if the command, Horizontal Tabs: Skip to Next Tab Stop  
(09), is received when there are no more tab stops before the end of a line,  
the print starting position will be set to the beginning of the next line. In  
other words, a line feed will be performed. However, under the same  
circumstances in page mode, the print starting position will be set to the  
end of the current line. Any subsequent character received will cause an  
auto-line feed to be performed.  
•
The Select Bit Image Mode command (1B 2A) can print up to 704 full dots  
in the y direction in page mode, as opposed to only 200 full dots (400 half  
dots) in standard mode under the following circumstances: the printable  
dots in the y direction are set to 704 for the Set Printing Area in Page Mode  
command (1B 57), and the printing direction is set to 1 or 3 for the Select  
Print Direction in Page Mode command (1B 54).  
Processing the Data in the Page  
The following information describes how to process the data in page mode:  
•
Use the Set Printing Area in Page Mode command (1B 57) to set the “page”  
or printing area. For more information, see “Set Printing Area in Page  
Mode.”  
The illustration shows a sample of the “page” area and its origin points (x0,  
y0). The area of the page is defined by dx, including the origin and extends  
in the x direction, and by dy in the y direction.  
3255 4073– 002  
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EFP9800 ESC/POS Commands  
The total number of dots for dx is 200 (400 half dots) at 160 half dots per  
inch. The total number of dots for dy is 704 (1408 half dots) at 144 half dots  
per inch.  
•
The print starting position for standard height characters is determined by  
the first line of the page and the direction. Depending on the direction, the  
print starting position will be in one of the four following positions. See the  
illustration for a graphic representation. For more information about setting  
the direction of the page in page mode, see “Select Print Direction in Page  
Mode.”  
−
−
−
= Upper left corner proceeding across page to the right (A)  
= Lower left corner proceeding up the page (B)  
= Lower right corner proceeding across page to the left (upside  
down) C)  
−
= Upper right corner proceeding down page (D)  
6– 72  
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EFP9800 ESC/POS Commands  
•
•
A line feed is automatically performed any time the number of characters is  
greater than the specified width of the page (assuming no commands  
including a line feed are present). This moves the print starting position to  
the next line.  
Increase the amount of line feeding for any lines that match the following  
circumstances: the line that follows a line with default line spacing (1/6  
inch— 12 vertical dots) contains double-high or quadruple-size characters or  
bit images that are two or more lines. If the line spacing is not increased,  
the higher order dots of the character or bit image will overlap with the  
previous line.  
Note: Do not print double-high characters on the first line of the  
printable area. Perform a line feed to print the characters  
on the second line.  
3255 4073– 002  
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EFP9800 ESC/POS Commands  
Examples of Printing in Page Mode  
The first example is text on two lines at 9 dots per line with an auto-line feed.  
The text on the third line is double-high. See the sample printout and the sample  
code.  
1B 4C  
1B 57 00 00 00 00 90 01 90 01  
“Page mode text has auto-line feed feature.”  
1B 33 2A  
0A  
1B 21 10  
“Double high”  
0C  
In this example, you enter page mode and select a print area of 400 x 400 half-  
dots (200 x 200 full dots). The printer enters the text on the first line of the  
selected print area until it reaches the right edge of that print area, at which  
point a line feed is automatically inserted (in this case, before the space  
following “feed”).  
Before doing a line feed and entering double-high, change the line feed spacing  
to 42 half dots (21 full dots). This will ensure that the double-high line does not  
overlap the line above it. The Eject Slip command (0C) prints the page.  
6– 74  
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EFP9800 ESC/POS Commands  
1B 63 30 04  
1B 4C  
1B 54 03  
1B 44 0C 2D 38 00  
09  
09  
“OCT 15”  
09  
“96”  
0A  
0A  
0A  
09  
“YOUR NAME HERE”  
09  
09  
“*12.67”  
0A  
0A  
09  
“TWELVE AND 67/100”  
0A  
0C  
In this example, begin by selecting slip insertion paper. Then enter page mode  
and select the print direction to start at the upper right corner and proceed  
sideways down the page. Set three tab positions at 12, 45, and 56 columns from  
the left margin. Enter text using tabs and line feeds to position the text on the  
proper fields of the check. The Eject Slip command (0C) prints the entire image  
on the inserted check.  
3255 4073– 002  
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EFP9800 ESC/POS Commands  
Flash Memory Commands  
These commands copy user-defined character sets or logos to the printer’s flash  
memory. Depending on the command chosen, the object stored in flash memory  
is then copied to RAM when the printer is powered up, or kept in flash memory  
for later use. Either way, it is available from the flash memory whenever  
needed.  
These commands are only available for the EFP9800 ESC POS emulation.  
Copy Downloaded Object to Flash Memory  
Copies the current downloaded object to flash memory. The object can either  
be a user-defined logo as defined by the Define Downloaded Bit Image  
command (1D 2A), or a user-defined character set as defined by the Define  
User-Defined Characters command (1B 26).  
When the printer is powered up, or reset with the Initialize Printer command  
(1B 40), the object is restored to RAM from the flash memory. This function of  
the command is the same as the Copy the Object from Flash Memory to  
External Ram command (1B 7D 03), described later in this section.  
Anything previously copied to flash memory is lost. If no object has been  
downloaded, nothing is copied to flash memory or enabled.  
After the application sends 1B 7D 00, it must wait for the printer to return  
hexadecimal 0D before sending any more data. Any data sent by the application  
before it receives this response will likely be lost. If the application is unable to  
receive a response from the printer, it must wait for five seconds after sending  
1B 7D 00 before sending any more data.  
Hexadecimal  
Decimal  
ASCII  
1B 7D 00  
27 125 0  
ESC } NUL  
When user-defined characters (not logos) are copied to flash memory, the  
following occurs:  
•
If no user-defined characters have been downloaded to the printer with the  
Define User-Defined Characters command (1B 26), nothing is copied to  
flash memory.  
6– 76  
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EFP9800 ESC/POS Commands  
•
•
If a character set is being copied to flash memory, both the 7x7 and 5x9  
versions of the character set are copied. The character set must have at  
least one user-defined character defined to be copied.  
The current state of the user-defined characters is preserved when the  
command is performed. For example, if the user-defined characters have  
been selected (by the Select/Cancel User-Defined Character Set  
command— 1B 25 01) then, when the character set is restored from flash  
memory, those user-defined characters will still be selected. If the user-  
defined characters have been canceled by the same command, they will  
remain canceled when the character set is restored from flash memory.  
•
The current code page (not a user-defined character set) is saved, and  
restored to RAM when the characters are read from flash memory.  
Disable Loading the Object to RAM When Powering on the Printer  
Retains the downloaded object in flash memory and does not copy it to RAM  
when the printer is powered up. The object remains in flash memory and is  
available to be copied to RAM later. The object will be lost if a new object is  
copied into flash memory.  
Hexadecimal  
Decimal  
ASCII  
1B 7D 01  
27 125 1  
ESC } SOH  
3255 4073– 002  
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EFP9800 ESC/POS Commands  
Enable Loading the Object When Powering on the Printer  
Enables the object in flash memory to be copied to RAM when the printer is  
powered up or the Initialize Printer command (1B 40) is received. This  
command reverses the previous command, “Disable Loading the Object to RAM  
When Powering on the Printer” (1B 7C 01). The command is ignored if nothing  
has been copied to flash memory.  
Hexadecimal  
Decimal  
ASCII  
1B 7D 02  
27 125 2  
ESC } STX  
Copy the Object from Flash Memory to External RAM  
Copies the object stored in flash memory directly to RAM. The printer does not  
need to be rebooted, either by powering it off and on, or by sending the  
Initialize Printer command (1B 40). The command is ignored if nothing has been  
copied to flash memory.  
The command performs whether the object has been enabled or disabled with  
the two previous commands.  
This command is similar to the Define Downloaded Bit Image command (1D  
2A) and the Define User-Defined Characters command (1B 26), except that the  
object comes from flash memory.  
Hexadecimal  
Decimal  
ASCII  
1B 7D 03  
27 125 3  
ESC } ETX  
6– 78  
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Section 7  
Ithaca Peripherals Proprinter Emulation  
Commands  
Commands control all operations and functions of the EFP9800 printer. The  
commands in this section emulate the Ithaca Peripherals Proprinter emulation.  
List of Ithaca Peripherals Proprinter Emulation  
Commands  
This table lists the commands in numerical order according to their  
hexadecimal codes. The page number indicates where a complete description of  
the command can be found in the next section.  
Hexadecimal  
Code  
Command Name  
Page  
05  
07  
08  
09  
0A  
0B  
0C  
0D  
0E  
0F  
12  
14  
Cash Drawer Status  
Open Cash Drawer 1  
Open Cash Drawer 2  
Horizontal Tab  
7–20  
7–4  
7–5  
7–5  
Line Feed  
7–5  
Vertical Tab  
7–5  
Advance To Top Of Next Form  
Carriage Return  
7–6  
7–6  
Set Single Line Double-Wide  
Set 17.2 Characters/Inch  
Set 10 Characters/Inch  
Cancel Single Line Double-Wide  
7–11  
7–11  
7–12  
7–12  
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Ithaca Peripherals Proprinter Emulation Commands  
Hexadecimal  
Code  
Command Name  
Page  
18  
Clear Printer  
7–6  
1B 11  
Perform Validation: Open Forms Compensation  
Assembly  
7–6  
1B 13  
1B 14  
Perform Validation: Close Forms Compensation  
Assembly  
7–7  
Perform Validation: Close Forms Compensation  
Assembly When Slip Sensed  
7–7  
1B 2D 30  
1B 2D 31  
1B 30  
Cancel Underlining  
7–12  
7–13  
7–7  
Set Underlining  
Set Line Spacing to 1/8 Inch  
Set Fine Line Spacing (n/216 Inch)  
Select Alternative Character Set  
Select Character Set (Code Page 437)  
Set Fine Line Spacing (n/72 Inch)  
Set 12 Characters/Inch  
1B 33 n  
1B 36  
7–7  
7–13  
7–13  
7–7  
1B 37  
1B 41 n 1B 32  
1B 3A  
7–13  
7–8  
1B 41 0C 1B  
32  
Set Line Spacing to 1/6 Inch  
1B 43 00 N  
1B 43 n n  
1B 44 nl...nk  
1B 45  
Set Form Length in Inches  
Set Form Length in Lines  
Set Horizontal Tab Positions  
Set Emphasized Printing  
Cancel Emphasized Printing  
Set Enhanced Printing  
7–8  
7–8  
7–9  
7–14  
7–14  
7–14  
7–14  
7–9  
1B 46  
1B 47  
1B 48  
Cancel Enhanced Printing  
Fine Line Feed  
1B 4A n  
1B 4B n1 n2  
Single-Density Graphics  
7–18  
7–2  
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Ithaca Peripherals Proprinter Emulation Commands  
Hexadecimal  
Code  
Command Name  
Page  
1B 4C n1 n2  
1B 53 30  
1B 53 31  
1B 54  
Double-Density, Half-Speed Graphics  
Set Superscript  
7–18  
7–15  
7–15  
7–15  
7–10  
7–15  
7–16  
7–18  
7–19  
Set Subscript  
Cancel Subscript/Superscript  
Uni-Directional/Bi-Directional Print  
Cancel Double-Wide for Current Font  
Set Double-Wide for Current Font  
Double-Density, Normal Speed Graphics  
Quadruple Density Graphics  
1B 55 n  
1B 57 30  
1B 57 31  
1B 59 n1 n2  
1B 5A n1 n2  
3255 4073–002  
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Ithaca Peripherals Proprinter Emulation Commands  
Ithaca Peripherals Proprinter Emulation  
Command Descriptions  
The command descriptions in this section are grouped in the following  
categories:  
•
•
•
•
Printer Function Commands  
Print Characteristics Commands  
Graphics Commands  
Printer Status Commands  
Within each group the commands are listed in numerical order according to  
their hexadecimal codes. Each command is described and the hexadecimal ,  
decimal, and ASCII codes are listed.  
Printer Function Commands  
These commands control the following basic printer functions:  
•
•
•
•
•
Printing  
Feeding paper  
Moving the printhead  
Resetting the printer  
Cutting paper  
The commands are listed in numerical order of their hexadecimal codes.  
Open Cash Drawer 1  
Opens cash drawer number 1. A default pulse is sent which is 120 ms high and  
480 ms low.  
Hexadecimal Decimal  
07  
ASCII  
7
BEL  
7–4  
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Ithaca Peripherals Proprinter Emulation Commands  
Open Cash Drawer 2  
Opens cash drawer number 2. A default pulse is sent which is 120 ms high and  
480 ms low.  
Hexadecimal Decimal  
ASCII  
08  
8
BS  
Horizontal Tab  
Moves the print position to the next horizontal tab stop set by the Set  
Horizontal Tab Positions (1B 44) command. The command is ignored if it  
exceeds the right margin or the maximum number of tab stop settings.  
Hexadecimal  
Decimal  
ASCII  
09  
9
HT  
Line Feed  
Prints and feeds the paper one line. The line spacing set by the following  
commands is used: Set Line Spacing to 1/6 Inch (1B 41 0C 1B 32), Set Line  
Spacing to 1/8 Inch (1B 30), Set Fine Line Spacing (n/216 Inch) (1B 33 n), Set  
Fine Line Spacing (n/72 Inch) (1B 41 n 1B 32).  
Hexadecimal Decimal  
0A 10  
ASCII  
LF  
Vertical Tab  
Advances to the next vertical tab stop. Feeds a fixed length of paper from the  
current print line to the knife cut point (approximately 1 inch). Line spacing  
does not affect the distance to the knife cut point.  
Hexadecimal Decimal  
0B 11  
ASCII  
VT  
3255 4073–002  
7–5  
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Ithaca Peripherals Proprinter Emulation Commands  
Advance to Top of Next Form  
Prints the data in the data buffer and advances the paper to the top of the next  
receipt. The length of the advance can be set by NVRAM switches in switch  
pack #1. See “Set Internal Switch Pack Values in NVRAM” in section 3.  
Hexadecimal Decimal  
ASCII  
0C  
12  
FF  
Carriage Return  
Prints one line. Does not feed the paper unless DIP switch 3 is On. For more  
information, see “Switch Entry Mode” in section 3.  
Hexadecimal Decimal  
0D 13  
ASCII  
CR  
Clear Printer  
Clears the print buffer and cancels the Set Single Line Double-Wide (0E)  
command. All other commands remain in effect.  
Hexadecimal Decimal  
18 24  
ASCII  
CAN  
Perform Validation: Open Forms Compensation Assembly  
Opens the forms compensation assembly and turns on the Slip In LED. A form  
can now be inserted for up to 14 lines of validation printing. Before a form can  
be printed, the forms compensation assembly must be closed using the Perform  
Validation: Forms Compensation Close Assembly (1B 13) command.  
When the printer senses that the form is correctly inserted (sensed by both  
sensors), it turns off the Slip In LED. Pressing the feed button closes the forms  
compensation assembly with or without the slip present.  
Hexadecimal Decimal  
1B 11 27 17  
ASCII  
ESC DC1  
7–6  
3255 4073–002  
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Ithaca Peripherals Proprinter Emulation Commands  
Perform Validation: Close Forms Compensation Assembly  
Closes the forms compensation assembly. The command is ignored if the forms  
compensation assembly is already closed.  
Hexadecimal Decimal  
1B 13 27 19  
ASCII  
ESC DC3  
Perform Validation: Close Forms Compensation Assembly When Slip Sensed  
Closes the forms compensation assembly only when a form is detected. The  
Slip In LED flashes until the form is inserted correctly, when it is turned off.  
Press the Paper Feed button to override the command and close the forms  
compensation assembly.  
Hexadecimal Decimal  
1B 14 27 20  
ASCII  
ESC DC4  
Set Line Spacing to 1/8 Inch  
Sets the line spacing to 1/8 inch or 8 lines/inch.  
Hexadecimal Decimal  
1B 30 27 48  
ASCII  
ESC 0  
Set Fine Line Spacing (n/216 Inch)  
Sets the line spacing to n/216 inches.  
Note: The printer rounds down the value to the closest multiple of 1/72  
inches.  
Hexadecimal  
Decimal  
ASCII  
Value of n  
1B 33 n  
27 51 n  
ESC 3 n  
1-255  
Set Fine Line Spacing (n/72 Inch)  
Sets the line spacing to n/72 inches.  
Hexadecimal  
Decimal  
ASCII  
Value of n  
1B 41 n 1B  
27 65 n 27  
ESC A n ESC  
1-85  
32  
50  
2
3255 4073–002  
7–7  
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Ithaca Peripherals Proprinter Emulation Commands  
Set Line Spacing to 1/6 Inch  
Sets the line spacing to 1/6 inch or 6 lines/inch.  
Hexadecimal  
Decimal  
ASCII  
1B 41 0C 1B  
32  
27 65 12 27  
50  
ESC A 12  
ESC 2  
Set Form Length in Inches  
Sets the length of the page until the printer is powered up again or until another  
command setting the length of the page is received. Also sets the top margin  
and the top line for the 1-inch vertical tab settings. For more information see  
“Vertical Tab.” The form length at power on is determined by the internal switch  
pack settings. For more information, see “Set Internal Switch Pack Values in  
NVRAM” in section 3.  
Hexadecimal  
Decimal  
ASCII  
Value of n  
1B 43 00 n  
27 67 0 n  
ESC C 0 n 1-22 inches per  
page  
Set Form Length in Lines  
Sets the length of the page until the printer is powered up again or until another  
command setting the length of the page is received. Also sets the top margin  
and the top line for the 1-inch vertical tab settings. For more information see  
“Vertical Tab.” The form length at power on is determined by the internal switch  
pack settings (switch pack 1, switches 4 and 5), or you can leave it at the default  
setting. For more information, see “Switch Entry Mode” in section 3.  
Hexadecimal  
Decimal  
ASCII  
Value of n  
1B 43 nn  
27 67 nn  
ESC C nn  
1-99 lines per  
page  
7–8  
3255 4073–002  
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Ithaca Peripherals Proprinter Emulation Commands  
Set Horizontal Tab Positions  
Sets the horizontal tab stops. If no horizontal tabs command is given, tab stops  
are set at every 8th column.  
Keep the following in mind:  
•
•
•
•
•
You can specify up to 32 tabs stops.  
Specify tab settings in ascending order.  
Column 1 is the home position.  
Tabs can be at different intervals throughout the width of a column.  
Tab functions can be performed in all character sizes and print modes,  
including double-wide.  
•
•
Do not set tabs beyond the maximum column width.  
Include a 0 at the end of each horizontal tab statement.  
Hexadecimal  
Decimal  
ASCII  
Value of n  
1B 44  
27 68  
ESC D  
n = horizontal tab  
n1...n2  
n1...n2  
n1...n2  
specification  
Fine Line Feed  
Prints and advances the paper the specified distance. Line spacing returns to  
the normal setting. The value, n, is equivalent to n/216 inches: for example  
23/216 inches or 255/216 inches.  
Note: The printer rounds down the value to the closest multiple of 1/72  
inches.  
Hexadecimal  
Decimal  
ASCII  
Value of n  
1B 4A n  
24 74 n  
ESC J n  
1-255  
3255 4073–002  
7–9  
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Ithaca Peripherals Proprinter Emulation Commands  
Uni-Directional/Bi-Directional Print  
In uni-directional printing, the printer prints from left to right only. Uni-  
directional printing increases the accuracy of the left margin.  
In bi-directional printing, the printer prints in both directions. Bi-directional  
printing increases the speed of the printer.  
Hexadecimal  
Decimal  
ASCII  
Value of n  
1B 55 n  
27 85 n  
ESC U n n = 49: Uni-Directional  
Print  
n = 48: Bi-Directional  
Print  
Print Characteristics Commands  
These commands affect the appearance of printed information. They control the  
following:  
•
•
Character set selection  
Character formatting  
The commands are listed in numerical order of their hexadecimal codes.  
7–10  
3255 4073–002  
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Ithaca Peripherals Proprinter Emulation Commands  
Set Single Line Double-Wide  
Doubles the width of the currently selected character size. The table below  
shows the available character sizes. You can change character size in the middle  
of a line. The command stays in effect until it is canceled with the Cancel Single  
Line Double-Wide command (14) or until the line is printed.  
To return to single-wide characters, use the Cancel Single Line Double-Wide  
(14) command.  
Hexadecimal Decimal  
0E 14  
ASCII  
SO  
Original Character Size  
Doubled Character  
Size  
10 characters/inch  
12 characters/inch  
17.2 characters/inch  
5 characters/inch  
12 characters/inch  
8.5 characters/inch  
Original Character Size  
10 characters/inch  
12 characters/inch  
17.2 characters/inch  
5 characters/inch  
6 characters/inch  
8.5 characters/inch  
Maximum Characters/Line  
24 characters/line  
28 characters/line  
40 characters/line  
12 characters/line  
14 characters/line  
20 characters/line  
Set 17.2 Characters/Inch  
Sets the character size to 17.2 characters/inch. You can change character size in  
the middle of a line.  
To double the width from 17.2 characters/inch to 8.5 characters/inch, use the  
Set Single Line Double-Wide (0E) command. To return to single-wide  
characters, use the Cancel Single Line Double-Wide (14) command.  
Hexadecimal  
Decimal  
ASCII  
OF  
15  
SI  
3255 4073–002  
7–11  
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Ithaca Peripherals Proprinter Emulation Commands  
Set 10 Characters/Inch  
Sets the character size to 10 characters/inch. You can change character size in  
the middle of a line.  
To double the width from 10 characters/inch to 5 characters/inch, use the Set  
Single Line Double-Wide (0E) command. To return to single-wide characters,  
use the Cancel Single Line Double-Wide (14) command.  
Hexadecimal  
Decimal  
ASCII  
12  
18  
DC2  
Cancel Single Line Double-Wide  
Only cancels double-wide characters set by the Set Single Line Double-Wide  
command (0E). This command will not cancel double-wide characters set with  
the Set Double-Wide command (1B 57 31).  
You can change the character size in the middle of a line.  
Hexadecimal Decimal  
ASCII  
14  
20  
DC4  
Cancel Underlining  
Stops underlining.  
Hexadecimal Decimal  
1B 2D 30 27 68 48  
ASCII  
ESC - 0  
7–12  
3255 4073–002  
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Ithaca Peripherals Proprinter Emulation Commands  
Set Underlining  
Begins underlining. The printer continues to underline until the Cancel  
Underlining (1B 2D 0) command is received.  
The underline is drawn by the ninth dot.  
Hexadecimal Decimal  
1B 2D 31 27 45 49  
ASCII  
ESC - 1  
Select Alternative Character Set  
Selects one of the following alternate character sets:  
•
•
•
Code Page 850 (PC Multilingual)  
Code Page 852 (Eastern European)  
Code Page 865 (Nordic Languages)  
You can decide which set is selected using the internal switch pack settings. For  
more information, see “Switch Entry Mode” in section 3.  
Hexadecimal  
Decimal  
ASCII  
1B 36  
27 54  
ESC 6  
Select Character Set (Code Page 437)  
Selects Code Page 437 (PC US).  
Hexadecimal  
Decimal  
ASCII  
1B 37  
27 55  
ESC 7  
Set 12 Characters/Inch  
Sets the character size to 12 characters/inch. You can change character size in  
the middle of a line.  
To double the width from 12 characters/inch to 6 characters/inch, use the Set  
Single Line Double-Wide (0E) command. To return to single-wide characters,  
use the Cancel Single Line Double-Wide (14) command.  
Hexadecimal  
Decimal  
ASCII  
1B 3A  
27 58  
ESC :  
3255 4073–002  
7–13  
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Ithaca Peripherals Proprinter Emulation Commands  
Set Emphasized Printing  
Starts emphasized printing. Each line is printed twice to improve penetration of  
multiple-part forms and to increase print contrast. Emphasized printing cannot  
be used with the following:  
•
•
Superscript or subscript characters  
Block graphics mode  
To return to normal print mode, use the Cancel Emphasized Printing (1B 46)  
command.  
Hexadecimal  
Decimal  
ASCII  
1B 45  
27 69  
ESC E  
Cancel Emphasized Printing  
Returns to normal print mode after emphasized printing.  
Hexadecimal  
Decimal  
ASCII  
1B 46  
27 70  
ESC F  
Set Enhanced Printing  
Starts enhanced printing. Each line is printed twice to improve penetration of  
multiple-part forms and to increase print contrast. Enhanced printing cannot be  
used with the following:  
•
•
Superscript or subscript characters  
Block graphics mode  
To return to normal print mode, use the Cancel Enhanced Printing (1B 48)  
command.  
Hexadecimal  
Decimal  
ASCII  
1B 47  
27 71  
ESC G  
Cancel Enhanced Printing  
Returns to normal print mode.  
Hexadecimal  
Decimal  
ASCII  
1B 48  
27 72  
ESC H  
7–14  
3255 4073–002  
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Ithaca Peripherals Proprinter Emulation Commands  
Set Superscript  
Starts superscript printing. (Superscript characters print above the normal print  
line.) The Set Superscript command must be sent before the characters to be  
printed in superscript.  
To return to printing on the normal print line, use the Cancel Superscript (1B  
54) command.  
Hexadecimal  
Decimal  
ASCII  
1B 53 30  
27 83 48  
ESC S 0  
Set Subscript  
Starts subscript printing. (Subscript prints characters below the normal print  
line.) The Set Subscript command must be sent before the characters to be  
printed in subscript.  
To return to printing on the normal print line, use the Cancel Subscript  
command (1B 54).  
Hexadecimal  
Decimal  
ASCII  
1B 53 31  
27 83 49  
ESC S 1  
Cancel Subscript/Superscript  
Stops subscript/superscript printing. Characters are printed on the normal print  
line at the normal height.  
Hexadecimal  
Decimal  
ASCII  
1B 54  
27 84  
ESC T  
Cancel Double-Wide for Current Font  
Cancels double-wide characters set by any command that sets double-wide  
characters.  
Hexadecimal  
Decimal  
ASCII  
1B 57 30  
27 87 1  
ESC w 0  
3255 4073–002  
7–15  
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Ithaca Peripherals Proprinter Emulation Commands  
Set Double-Wide for Current Font  
Doubles the width of the currently selected character size. Double-wide can  
begin in the middle of a line, but cannot be canceled before the end of a line by  
the Cancel Single Line Double-Wide command (14).  
To return to single-wide characters, use the Cancel Double-Wide for Current  
Font command (1B 57 30).  
Hexadecimal  
Decimal  
ASCII  
1B 57 31  
27 87 49  
ESC W 1  
Graphics Commands  
These commands control graphics printing. The commands are listed in  
numerical order of their hexadecimal codes. You can create a graphic image  
using a graphics software program or by doing the encoding yourself.  
Format of the Data Stream for Graphics  
The graphics sequences recognized by the IPI Proprinter emulation have the  
following format:  
1b GG n1 n2 d1 d2 d3 . . . d(n2*256)+n1  
1b GG introduces the graphics sequence.  
GG can be either 4B, 4C, 59, or 5A.  
n1 and n2 are values between 0 and 255.  
The total number of data bytes, di, which follow n1 and n2 is given by  
the formula, n1+(256*n2).  
The data bytes, di, are in sequence based upon the order of their printing from  
left to right. d1 is the leftmost byte in the graphics image and d(n2*256)+n1 is  
the rightmost byte. Both single density printing and double density printing are  
available. In single density printing, after data byte di is printed, a byte of zero  
bits is printed, and then byte d(I+1) is printed. In double density printing, no  
zero byte is inserted by the printer.  
7–16  
3255 4073–002  
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Ithaca Peripherals Proprinter Emulation Commands  
The printhead has 9 print wires, numbered from 1 to 9 with 1 being the topmost  
print wire and 9 being the bottom most. Each data byte directs the activation of  
the topmost 8 wires. Each data byte contains 8 data bits, numbered 0 to 7. Each  
bit directs the activation of a single print wire, as shown in the following table:  
Data Bit  
Print Wire  
7
6
5
:
1
2
3
:
Top  
0
8
Bottom  
If a data bit contains a 1, the corresponding print wire is activated when the  
data byte is printed. If a data bit contains a 0, the corresponding print wire is  
not activated when the data byte is printed. The same print wire must not be  
activated by successive data bytes, unless the printing is single density. The  
inserted byte of 0 between data bytes, in the single density case, ensures that  
the same wire is not activated by successive bytes. When programming double  
density graphics, you must ensure that successive data bytes do not activate the  
same print wire.  
Density, or horizontal resolution, is measured in dots/inch. All modes have a  
vertical resolution of 72 dots/inch.  
The second component of the graphics statement, number of columns, is  
defined by two values, n1 and n2. To find the value of these numbers, divide the  
number of columns you want to print by 256.  
n1 = Remainder after dividing n by 256.  
n2 = Integer after dividing n by 256.  
For example to print 400 columns of graphics:  
400/256 = 1 remainder 144  
n1 = 144, n2 = 1  
3255 4073–002  
7–17  
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Ithaca Peripherals Proprinter Emulation Commands  
Single-Density Graphics  
Prints graphics in single-density format, in a 60 dots/inch by 72 dots/inch image  
pattern.  
Maximum dots/line = 144  
Maximum dot resolution = 144  
Maximum columns/line = 144  
Hexadecimal Decimal  
ASCII  
1B 4B  
27 75  
ESC K  
n1...n2  
n1...n2  
n1...n2  
Double-Density, Half-Speed Graphics  
Prints graphics in double-density format, at a slower rate of speed in a 120  
dots/inch by 72 dots/inch image pattern. Because of the slow speed, dot  
columns can overlap by 1/2 dot width.  
Maximum dots/line = 288  
Maximum dot resolution = 288  
Maximum columns/line = 288  
Hexadecimal  
Decimal  
ASCII  
1B 4C  
27 76  
ESC L  
n1...n2  
n1...n2  
n1...n2  
Double-Density, Normal Speed Graphics  
Prints graphics in double-density format, at normal speed in a 120 dots/inch by  
72 dots/inch image pattern. Dots can not be printed in adjacent columns of the  
same row.  
Maximum dots/line = 144  
Maximum dot resolution = 288  
Maximum columns/line = 288  
Hexadecimal  
Decimal  
ASCII  
1B 59  
27 89  
ESC Y  
n1...n2  
n1...n2  
n1...n2  
7–18  
3255 4073–002  
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Ithaca Peripherals Proprinter Emulation Commands  
Quadruple Density Graphics  
Prints graphics in quadruple-density format in a 240 dots/inch by 72 dots/inch  
image pattern. Dot columns can overlap by 3/4 dot width. Dots can not be  
printed in adjacent columns of the same row.  
Maximum dots/line = 192  
Maximum dot resolution = 576  
Maximum columns/line = 576  
Hexadecimal  
Decimal  
ASCII  
1B 59  
27 89  
ESC Y  
n1...n2  
n1...n2  
n1...n2  
3255 4073–002  
7–19  
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Ithaca Peripherals Proprinter Emulation Commands  
Cash Drawer Status Commands  
Cash Drawer Status  
Elicits status response from printer. The printer returns a single byte containing  
the status of the paper roll and the cash drawer. Each bit is described in the  
table.  
The command is processed following any preceding commands in the buffer.  
Bit  
0
Meaning  
0 Signifies  
1 Signifies  
Always 0  
Always 0  
1
2
Roll Paper Status Paper  
Available  
Paper  
Low  
3
4
5
6
Always 1  
Always 0  
Always 0  
Cash Drawer  
Status  
Pin 3 Low  
Pin 3  
High  
7
Always 0  
Hexadecimal  
Decimal  
ASCII  
05  
5
ENQ  
7–20  
3255 4073–002  
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Section 8  
NCR 5021 Printer Emulation Commands  
Commands control all operations and functions of the EFP9800 printer. The  
commands in this section emulate the NCR 5021 printer.  
Note: The NCR 5021 emulation is for use only with EFP984x serial  
interface units. This emulation is NOT resident in the EFP9850 and  
EFP9851parallel interface units.  
List of NCR 5021 Emulation Commands  
This table lists the commands in numerical order according to their  
hexadecimal codes. The page number indicates where a complete description of  
the command can be found in the next section.  
Hexadecimal Code  
0A  
Command Name  
Line feed  
Page  
8–3  
0D  
Carriage return  
Cancel Double-Wide  
Set Double-Wide  
Reset  
8–3  
10  
8–13  
8–13  
8–4  
12  
1B 5B 30  
1B 5B 31  
1B 5B 32  
1B 5B 33  
1B 5B 34  
1B 5B 35  
1B 5B 70  
1B 5B 72 n  
1B 5B 77 01 11  
Read Status  
8–13  
8–4  
Open  
Close  
8–5  
Read Tallies  
8–14  
8–15  
8–6  
Read and Clear Tallies  
Reset Character RAM  
Set Interline Spacing  
Read Slip Sensor  
8–13  
8–6  
3255 4073–002  
8–1  
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NCR 5021 Printer Emulation Commands  
Hexadecimal Code  
Command Name  
Page  
1B 5B 77 01 13  
Open Forms Compensation  
Assembly  
8–6  
1B 5B 77 01 14  
Close Forms Compensation  
Assembly  
8–7  
1B 5B 77 01 16  
Reprint After Media Jam  
Echo  
8–7  
1B 5B 7A vv yy  
yy...yy  
8–8  
1B 5B 7F vv xx xx  
yy...yy  
Write Device Control Memory  
8–8  
8–2  
3255 4073–002  
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NCR 5021 Printer Emulation Commands  
NCR 5021 Emulation Command Descriptions  
The command descriptions in this section are grouped in the following  
categories:  
•
•
•
Printer Function Commands  
Print Characteristics Commands  
Printer Status Commands  
Within each group the commands are listed in numerical order according to  
their hexadecimal codes. Each command is described and the hexadecimal,  
decimal, and ASCII codes are listed.  
Printer Function Commands  
Line Feed  
Performs a line feed. Printing on the following line begins at the column in  
which the previous line ended.  
Hexadecimal Decimal  
ASCII  
0A  
10  
LF  
Carriage Return  
Fills the remainder of the line currently being formed with spaces and prints the  
line. After this line is printed, the printer starts in column position one.  
Hexadecimal Decimal  
0D 13  
ASCII  
CR  
3255 4073–002  
8–3  
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NCR 5021 Printer Emulation Commands  
Reset  
This command does the following:  
•
•
•
•
•
Stops printing  
Flushes data buffers  
Initializes parameters  
Resets I/O ports  
Takes the printer offline  
It does not reload the character set from NVRAM, affect the interline spacing,  
clear the tallies, or flush the communication buffers. The command is executed  
immediately, regardless of the state of the printer.  
Hexadecimal  
Decimal  
ASCII  
1B 5B 30  
27 91 48  
ESC [ 0  
The printer sends the following in reply to this command: 1BH, 5BH, 35H, 30H,  
32H, 31H, 2CH, 31H, 30H, 30H, 32H, 2CH, 30H, 31H, 30H, 30H, 2CH, vvH*, vvH*,  
70H  
*The value of vvH may be 30H-39H.  
Open  
Puts the printer online. The printer accepts all commands except Set Interline  
Spacing (1B 5B 72) and Write Device Control Memory (1B 5B 7F) when it is  
online. The printer accepts printable data only when it is online.  
If the open command is received while the printer is already online, the open  
command is ignored.  
The printer is offline when it powers up.  
Hexadecimal Decimal  
1B 5B 32 27 91 50  
ASCII  
ESC [ 2  
8–4  
3255 4073–002  
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NCR 5021 Printer Emulation Commands  
Close  
Takes the printer offline. When the printer is offline, it accepts only the  
following commands:  
•
•
•
•
•
•
•
Set Interline Spacing (1B 5B 72)  
Reset (1B 5B 30)  
Read Status (1B 5B 31)  
Open (1B 5B 32)  
Read Tallies (1B 5B 34)  
Write Device Control Memory (1B 5B 7F)  
Reset Character RAM (1B 5B 70)  
The printer does not accept printable data when it is offline.  
The Close command is ignored if it is received when:  
•
•
•
•
The printer is processing data.  
Data remains in the print buffer.  
The forms compensation assembly is open.  
A paper jam has occurred.  
The Read Status (1B 5B 31) command should be sent by the host after the Close  
command to verify that the printer is offline. Any data received after the Close  
command is processed after the printer is offline.  
If the Close command is received while the printer is already offline, the Close  
command is ignored.  
The printer is offline when it powers up.  
Hexadecimal  
Decimal  
ASCII  
1B 5B 33  
27 91 51  
ESC [ 3  
3255 4073–002  
8–5  
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NCR 5021 Printer Emulation Commands  
Reset Character RAM  
Reinitializes the character memory. The original dot patterns are copied from  
ROM into RAM, eliminating any changes made by the user.  
This command is processed only when the printer is offline.  
Hexadecimal Decimal  
ASCII  
1B 5B 70 27 91 112 ESC [ p  
Read Slip Sensor  
Returns the state of the slip sensor in the forms compensation assembly of the  
printer.  
This command is processed only when the printer is online.  
Hexadecimal  
Decimal  
ASCII  
1B 5B 77 01 11 27 91 119 01 17 ESC [ w 01 11  
The printer sends the following in reply to the message: 1BH, 5BH, xxH, 70H.  
x = slip sensor status  
30H  
31H  
32H  
Form Present  
Form Not Present  
Forms Compensation  
Assembly Closed  
Open Forms Compensation Assembly  
Opens the forms compensation assembly. This command is ignored when:  
•
•
•
•
The printer is printing.  
The printer holds a partially formed line.  
The printer is processing data.  
A paper jam has occurred.  
The printer does not accept print data when the forms compensation assembly  
is open. Only commands are accepted and processed when the forms  
compensation assembly is open.  
8–6  
3255 4073–002  
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NCR 5021 Printer Emulation Commands  
The state of the forms compensation assembly can be checked with the Read  
Status (1B 5B 31) command.  
This command is processed only when the printer is online.  
Hexadecimal  
Decimal  
ASCII  
1B 5B 77 01 13  
27 91 119 01 19 ESC [ w 01 13  
Close Forms Compensation Assembly  
Closes the forms compensation assembly.  
The printer does not accept print data when the forms compensation assembly  
is open. Only commands are accepted and processed when the forms  
compensation assembly is open.  
The state of the forms compensation assembly can be checked with the Read  
Status (1B 5B 31) command.  
This command is processed only when the printer is online.  
Hexadecimal  
Decimal  
ASCII  
1B 5B 77 01 14  
27 91 119 01 20  
ESC [ w 01 14  
Reprint After Media Jam  
Informs the printer that printing may continue after a paper jam has occurred.  
The printer detects a paper jam when the jam detect sensor does not detect  
movement.  
The printer accepts print data, even when a paper jam occurs. If a paper jam  
occurs, the printer accepts data until the print data buffer is filled. Once the  
print data buffer is full, the printer goes busy.  
A paper jam status is passed to the application in the response of the Read  
Status (1B 5B 31) command.  
Resetting the printer clears the paper jam flag, but does not clear the cause of  
the paper jam.  
This command is processed only when the printer is online.  
Hexadecimal  
Decimal  
ASCII  
1B 5B 77 01 16 27 91 119 1 22  
ESC ] w 01 16  
3255 4073–002  
8–7  
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NCR 5021 Printer Emulation Commands  
Echo  
When the printer receives this command, it takes the data following 1B 5B 7A vv  
yy, converts the data to unpacked ASCII, and returns the converted data to the  
host computer. This is useful when performing diagnostics on the printer.  
This command is executed immediately, regardless of the state of the printer.  
Hexadecimal  
Decimal  
ASCII  
1B 5B 7A vv yy yy...yy  
27 91 122 vv yy yy…yy ESC ] z vv yy yy…yy  
Value of vv  
Value of yy  
0-FFH  
0-80H  
The printer sends the following in reply to the message: 1BH, 5BH, vvH, vvH,  
yyH, ... yyH, 70H.  
The value of vv is the number of bytes sent (in unpacked ASCII).  
The value of yyyy...yy is the data sent in the ECHO message (in unpacked  
ASCII).  
Write Device Control Memory  
This command modifies the character set loaded in memory. Each character in  
the character set consists of seven 12-bit dot patterns.  
Data that is forced outside the range of the character set by an incorrect  
address is ignored. There are 224 characters in the character set and each  
character consists of seven 12-bit patterns.  
This command is processed only when the printer is offline.  
The 5021 J/V printer’s character field is 9 dots wide and 7 dots high (9x7). When  
SPI 5021 prints a line, it automatically inserts space between characters  
equivalent to three dot positions which are inaccessible to the user. Countries  
that use the Arabic language require that this area be accessible. As a result, the  
5021 RS-232C J/V printer implements a 12x7 character field and does not insert  
space between characters.  
There are 224 characters in the printer’s character set. The range of hex values  
for the characters is 20-FF. Hexadecimal values in the range of 00-1F that are  
not control characters are printed as ASCII spaces (20).  
8–8  
3255 4073–002  
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NCR 5021 Printer Emulation Commands  
WARNING  
Due to the electrical characteristics of the printer, neighboring dots  
cannot both be fired within a horizontal row. Damage to the print  
mechanism may result. It is the responsibility of the character set  
creator to insure that this can not occur.  
Altering a character in the character set is a two step procedure. The first step  
is to define the new character and the second step is to download the new  
character to the printer.  
Define a Character  
Each character in the character set is defined by seven 12-bit dot patterns. Dots  
in a horizontal row are really half dots, otherwise, characters would be grossly  
disproportionate.  
First, map a 12x7 grid and place dots on the grid to form the desired character.  
Care must be taken so that two neighboring dots within a row of dots are not  
both fired. This rule applies to both intra-character and inter-character dots.  
3255 4073–002  
8–9  
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NCR 5021 Printer Emulation Commands  
The dot pattern for the character “A” (ASCII 41H) is:  
. . . . 0 . . . . . . .  
. . . 0 . 0 . . . . . .  
. . 0 . . . 0 . . . . .  
. 0 . . . . . 0 . . . .  
0 . 0 . 0 . 0 . 0 . . .  
0 . . . . . . . 0 . . .  
0 . . . . . . . 0 . . .  
Next, convert each row of dots into a 16-bit value. Assign logical one (1) to  
every position that does not contain a “fired” dot and assign a logical zero (0) to  
every position that contains a “fired” dot. Pad the resultant 12-bit value on the  
left with four zeros.  
8–10  
3255 4073–002  
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NCR 5021 Printer Emulation Commands  
The values for the dot patterns are:  
. . . . 0 . . . . . . .  
. . . 0 . 0 . . . . . .  
. . 0 . . . 0 . . . . .  
. 0 . . . . . 0 . . . .  
0 . 0 . 0 . 0 . 0 . . .  
0 . . . . . . . 0 . . .  
0 . . . . . . . 0 . . .  
0F7FH  
0EBFH  
0DDFH  
0BEFH  
0557H  
07F7H  
07F7H  
Finally, assign a hex value to the new character. For demonstration purposes,  
the hex value 41H will be assigned to the character “A.”  
The codes are then downloaded into the printer.  
Download a Character  
Once a character has been defined, the associated codes can be downloaded  
into the printer. Use the Write Device Control Memory command.  
First, calculate the offset (in words) within the character RAM where the set of  
seven 16-bit values derived from creating the character are to be placed. Since  
the demonstration character has been assigned the value 41H (65 decimal), and  
the character at offset zero within the character RAM is the ASCII space (20H),  
and there are 7 words (dot rows) per character, the offset is:  
(41H - 20H) *7 = 00E7H  
Next, format a Write Device Control Memory command. The fourth byte in the  
message is a VLI. The fifth and sixth bytes are the calculated offset. The  
remaining 14 bytes are the codes derived when creating the character.  
1BH,5BH,7EH,10H,00H,E7H,0FH,7FH,0EH,BFH,0DH,DFH,0BH,EFH,05H,57H,07  
H,F7H,07H,F7H  
Finally, send the command to the printer. The printer must be offline before it  
can accept the command.  
3255 4073–002  
8–11  
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NCR 5021 Printer Emulation Commands  
The calculated offset does not have to fall on a character boundary and the  
number of codes does not have to be a whole multiple of seven (7). For  
example, the following command would alter the lower portion of the character  
assigned the value 41H and the top portion of the character assigned the value  
42H:  
1BH,5BH,7EH,12H,00H,EAH,0FH,7FH,0EH,BFH,0DH,DFH,0BH,EFH,05H,57H,0  
7H,F7H,07H, F7H,07H,F7H,OFH,FFH  
Hexadecimal  
Decimal  
ASCII  
1B 5B 7F vv, yy, yy, xx, xx, xx, xx  
27 91 127 vv, yy, yy, xx, xx, xx, xx  
ESC [ ~ vv, yy, yy, xx, xx, xx, xx  
Value of vv  
0-80H  
Value of yy  
0000-061FH  
The value of vv is the VLI(in binary).  
The value of yy is a binary address of the location within the character set to  
write the first twelve-bit dot pattern.  
The value of xx is a word. Each word contains a twelve-bit dot pattern  
representing one row of dots of a 12 x 7 character matrix (in binary). Maximum  
number of words is 63. The twelve least significant bits of each word make up  
the dot pattern.  
Print Characteristics Commands  
These commands affect the appearance of printed information. They control the  
following:  
•
•
Character formatting  
Line spacing  
The commands are listed in numerical order of their hexadecimal codes.  
8–12  
3255 4073–002  
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NCR 5021 Printer Emulation Commands  
Cancel Double-Wide  
Ends double-wide printing.  
Hexadecimal Decimal  
ASCII  
DLE  
10  
16  
Set Double-Wide  
Starts double-wide printing. The printer returns to single-wide mode when it  
receives the Cancel Double-Wide (10) command or when the end of the current  
line is reached.  
Hexadecimal Decimal  
ASCII  
12  
18  
DC2  
Set Interline Spacing  
Sets the number of dot rows that are printed between lines. The default number  
of dot rows is 2. The valid range is from 1 to 7 dot rows.  
This command is processed only when the printer is Offline.  
Hexadecimal  
Decimal  
ASCII  
Value of n  
1B 5B 72 n  
ESC [ r n  
31-37  
Printer Status Commands  
Read Status  
Returns the status of the printer.  
Printable data sent to the printer immediately after this command is not  
included in the print process or data buffer status.  
If the printer is not processing data, but data is buffered, then the printer is  
holding a partially formed line and is waiting for the user to complete the line  
before it is printed. The forms compensation assembly is not opened while the  
printer holds a partial line of data.  
The data buffer status reflects the state of the data buffers only, not the  
communication buffers.  
3255 4073–002  
8–13  
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NCR 5021 Printer Emulation Commands  
If a paper jam has occurred, the print mechanism must be cleared. If more  
printable data than the print data buffer can accommodate is sent, the printer  
discards all data after the data buffer is filled.  
This command is executed immediately, regardless of the state of the printer.  
Hexadecimal  
Decimal  
ASCII  
1B 5B 31  
27 91 49  
ESC [ 1  
The printer sends the following in reply to the message: 1BH, 5BH, wwH, xxH,  
yyH, zzH, 70H  
Value  
Indicates  
ww  
xx  
30H  
31H  
Offline  
Online  
30H  
31H  
32H  
Idle  
Busy  
Jam  
yy  
zz  
30H  
31H  
Buffer Empty  
Buffer Not Empty  
30H  
31H  
Forms Compensation Assembly  
Closed  
Forms Compensation Assembly  
Open  
Read Tallies  
Returns printer tallies for hours on and lines printed. The tallies are not cleared  
by the Reset (1B 5B 30) command.  
Hexadecimal Decimal  
1B 5B 34 1B 5B 52  
ASCII  
ESC [ 4  
The printer sends the following in reply to the message: 1BH, 5BH, xxH, xxH,  
xxH, xxH, xxH, xxH, xxH, xxH, 2CH, 30H, 30H, 30H, 30H, 2CH, 30H, 30H, 30H,  
30H, 70H.  
The value of xxxxxxxx is the count of lines printed (in unpacked ASCII).  
8–14  
3255 4073–002  
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NCR 5021 Printer Emulation Commands  
Read and Clear Tallies  
Returns printer tallies for hours on and lines printed and then clears the tallies.  
The tallies are not cleared by the Reset (1B 5B 30) command.  
Hexadecimal Decimal  
1B 5B 35 27 91 53  
ASCII  
ESC [ 5  
The printer sends the following in reply to the message: 1BH, 5BH, xxH, xxH,  
xxH, xxH, xxH, xxH, xxH, xxH, 2CH, 30H, 30H, 30H, 30H, 2CH, 30H, 30H, 30H,  
30H, 70H.  
The value of xxxxxxxx is the count of lines printed (in unpacked ASCII). xxH  
may be 30H-39H.  
3255 4073–002  
8–15  
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NCR 5021 Printer Emulation Commands  
8–16  
3255 4073–002  
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Section 9  
EF4270 Emulation Commands  
Commands control all operations and functions of the EFP9800 printer. The  
commands in this chapter emulate the EF4270 printer.  
List of EF4270 Emulation Commands  
This table lists the commands in numerical order according to their  
hexadecimal codes. The page number indicates where a complete description of  
the command can be found in the next section.  
Some commands listed are not implemented (they are identified as not  
implemented). If received, they are ignored and not sent to the print buffer as  
data.  
Hexadecimal Code  
Command Name  
End of Text  
Page  
9–4  
03  
05 03  
0A  
Status: 3 Bit  
9–22  
9–5  
Line Feed  
0B  
Vertical Tab  
Eject Slip  
9–5  
0C  
9–5  
0D  
Carriage Return  
Double-Wide Font  
Double-Wide Off  
Setup Parameters  
Reset Printer  
Status: 6 Bit  
9–5  
0E  
9–13  
9–13  
9–6  
0F  
19  
1B 00  
1B 05  
1B 06  
1B 07  
9–7  
9–23  
9–24  
9–7  
Status: 7 Bit  
Cash Drawer 1  
3255 4073–002  
9–1  
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EF4270 Emulation Commands  
Hexadecimal Code  
1B 08  
Command Name  
Page  
9–7  
9–8  
9–8  
9–8  
9–8  
Cash Drawer 2  
1B 0C  
Document Clamp Open  
Self Test  
1B 13  
1B 17  
Document Validation  
Receipt/Journal Print  
1B 1A  
1B 5A  
1B 1C  
1B 1D  
1B 21  
1B 41  
1B 42 75  
1B 43  
1B 44  
1B 45  
1B 46  
1B 47  
1B 48  
1B 49  
1B 4A  
1B 4B  
1B 4C  
1B 50  
1B 52  
1B 53  
1B 55  
1B 56  
1B 57  
1B 60  
1B 7C  
Document Clamp Close  
Graphics: 5 Dot  
9–9  
9–21  
9–14  
9–9  
Character Set  
Form Eject  
Download (Not Implemented)  
Underline Print  
9–9  
9–15  
9–16  
9–16  
9–9  
Underline Off  
Double-High Off  
Form In (Parallel Printers Only)  
Select (Parallel Printers Only)  
Double-High Font  
9–10  
9–16  
9–10  
9–10  
9–10  
9–11  
9–17  
9–18  
9–11  
9–18  
9–24  
9–11  
9–12  
9–12  
Either Form-In Sensor (Not Implemented)  
Both Form-In Sensors (Not Implemented)  
Busy Until Buffer Empty  
Clamp Delay  
Pitch Selection  
Upside-Down Off  
Print Speed (Not Implemented)  
Upside-Down Print  
Status-Firmware  
Buffered Validate  
Buffer Clear  
Wait for Slip  
9–2  
3255 4073–002  
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EF4270 Emulation Commands  
Hexadecimal Code  
Command Name  
Page  
1B 7D n n  
Rotate Font 90 Degrees Clockwise or  
Cancel Rotated Print  
9–18  
1B 7E  
Cancel Slip Waiting  
Graphics  
9–13  
9–19  
9–12  
1E  
1F c n n n 1F  
Repeat Character  
3255 4073–002  
9–3  
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EF4270 Emulation Commands  
EF4270 Command Descriptions  
The command descriptions in this section are grouped in the following  
categories:  
•
•
•
•
Printer Function Commands  
Print Characteristics Commands  
Graphics Commands  
Printer Status Commands  
Within each group the commands are listed in numerical order according to  
their hexadecimal codes. Each command is described and the hexadecimal,  
decimal, and ASCII codes are listed.  
Printer Function Commands  
These commands control the following basic printer functions:  
•
•
•
•
Printing  
Feeding paper  
Moving the printhead  
Resetting the printer  
The commands are listed numerically by hexadecimal code.  
End of Text  
Informs printer to send an acknowledge (Hexadecimal 06, Decimal 6, ASCII  
ACK) to the host computer after all characters have been printed and all  
commands performed.  
Hexadecimal  
Decimal  
ASCII  
03  
3
ETX  
9–4  
3255 4073–002  
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EF4270 Emulation Commands  
Line Feed  
Prints the data in the buffer and feeds the paper one line. The height of the line  
is determined by the internal DIP switch settings or by the Set Up Parameters  
command (19 n). See “Chapter 3: Diagnostics and Print Test” for more  
information.  
Hexadecimal  
Decimal  
ASCII  
0A  
10  
LF  
Vertical Tab  
Prints any data in the buffer and then advances the paper .02083 inches  
(0.523mm).  
Hexadecimal  
Decimal  
ASCII  
0B  
11  
VT  
Eject Slip  
Feeds the slip until the lower sensor is uncovered. The printer enters roll mode.  
Even if the printer is selected for concurrent feed, only the cut sheet is ejected.  
After the command is executed, the rolls remain closed until an Document  
Clamp Open (1B 0C) command is received.  
Hexadecimal  
Decimal  
ASCII  
0C  
12  
FF  
Carriage Return  
Prints the data in the buffer and advances the paper if Auto Line Feed is  
enabled either by the internal DIP switch settings or by the Set Up Parameters  
command (19 n). See “Chapter 3: Diagnostics and Print Test” for more  
information.  
Hexadecimal  
Decimal  
ASCII  
0D  
13  
CR  
3255 4073–002  
9–5  
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EF4270 Emulation Commands  
Setup Parameters  
Sets temporary values for default printer parameters. N is the sum of the values  
for each parameter.  
Hexadecimal  
Decimal  
ASCII  
19 n  
25 n  
EM n  
Value of n  
Hexadecimal  
Decimal  
ASCII  
Parameter  
Setting  
00  
01  
0
1
NUL  
SOH  
Auto Line Feed  
ON  
OFF  
00  
02  
0
2
NUL  
STX  
Characters per Line  
Journal Lines/Inch  
40  
ALT  
00  
04  
08  
0C  
0
4
8
12  
NUL  
EOT  
BS  
8.0  
6.9  
6.0  
5.3  
FF  
00  
10  
20  
30  
0
NUL  
DLE  
SPACE  
0
Validation Lines/Inch  
8.0  
6.9  
6.0  
5.3  
16  
32  
48  
00  
40  
0
64  
NUL  
@
Print Self Test  
(After setting temporary YES  
parameters)  
NO  
ALT selects the previous pitch selection, whether it is defined by the  
internal DIP switch settings, or by the Pitch Selection command (1B  
50 n).  
9–6  
3255 4073–002  
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EF4270 Emulation Commands  
Reset Printer  
This command is processed immediately and causes the printer to reset and  
initialize as if the power had been interrupted. All data in the buffer will be lost.  
The printer sends an XOFF if XON/XOFF handshaking is selected.  
No additional data should be sent to the printer following the reset command  
until one of the following:  
•
•
The BUSY line toggles (parallel interface).  
The RTS line toggles (RS-232 serial interface with RTS/CTS hardware  
handshaking selected).  
•
The printer sends an XON (RS-232 serial interface with XON/XOFF  
handshaking selected).  
If the unit is configured for XON/XOFF serial interface handshaking, the printer  
also toggles the RTS line in addition to sending the XOFF/XON.  
The printer reinitializes with the default DIP switch settings.  
Hexadecimal  
Decimal  
ASCII  
1B 00  
27 0  
ESC NUL  
Cash Drawer 1  
Opens the cash drawer. If a Y-cable is used to split the cash drawer connector  
so two cash drawers can be connected to the printer, the cash drawer  
connected to the first connector (labeled 1 or A) will be opened. See “Chapter 5:  
Communication” for more information.  
Hexadecimal  
Decimal  
ASCII  
1B 07  
27 7  
ESC BEL  
Cash Drawer 2  
Opens the second cash drawer. If a Y-cable is used to split the cash drawer  
connector so two cash drawers can be connected to the printer, the cash  
drawer connected to the second connector (labeled 2 or B) will be opened. See  
“Chapter 5: Communication” for more information.  
Hexadecimal  
Decimal  
ASCII  
1B 08  
27 8  
ESC BS  
3255 4073–002  
9–7  
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EF4270 Emulation Commands  
Document Clamp Open  
Opens the platen. Any forms still in the printer may fall back into the validation  
station when the platen is opened. This command enables the Receipt/Journal  
paper feed and disables the Slip/Validation paper feed.  
Hexadecimal  
Decimal  
ASCII  
1B 0C  
27 12  
ESC FF  
Self Test  
Clears all data in the print buffer and prints the current configuration  
parameters. This functions the same as the general print test See “General Print  
Test” in “Chapter 3: Diagnostics” for more information.  
Hexadecimal  
Decimal  
ASCII  
1B 13  
27 19  
ESC DC3  
Document Validation  
Opens the platen. Once a form is detected, the platen will automatically close.  
This command enables the Slip/Validation paper feed and disables the  
Receipt/Journal paper feed.  
Hexadecimal  
Decimal  
ASCII  
1B 17  
27 23  
ESC ETB  
Receipt/Journal Print  
Closes the platen. The 1B 5A version of the command closes the platen when no  
form has been detected. This command enables the Receipt/Journal paper feed  
and disables the Slip/Validation feed.  
Hexadecimal  
1B 1A  
Decimal  
27 26  
27 90  
ASCII  
ESC SUB  
ESC Z  
1B 5A  
Note: The ASCII SUB character cannot be sent by some PC applications. In  
that case, use the following version of the Receipt/Journal Print  
command.  
9–8  
3255 4073–002  
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EF4270 Emulation Commands  
Document Clamp Close  
Closes the platen when the form has been detected and the time for the clamp  
delay is up. This command enables the Slip/Validation paper feed and disables  
the Receipt/Journal paper feed.  
Hexadecimal  
Decimal  
ASCII  
1B 1C  
27 28  
ESC FS  
Form Eject  
Ejects the form from the validation station after it has been printed.  
Hexadecimal  
Decimal  
ASCII  
1B 41  
27 65  
ESC A  
Download  
This command is not supported and is ignored if received.  
Hexadecimal  
Decimal  
ASCII  
1B 42 75  
27 66 117 ESC B u  
Form In  
Used for parallel printers only. This command is NOT supported in a standard  
IEEE 1284 interface, however, and should not be used. This command may be  
used with a non-standard parallel interface with no bi-directionality, but it is  
recommended that you use other status commands (Status: 3 Bit and Status: 6  
Bit) to detect form presence instead.  
Causes pin 13 on the 25-pin communication cable connector to indicate the  
status of the Form-In sensor. 1 = form not present. Internal switch pack #3,  
switch 8 must be set to ON.  
Hexadecimal  
Decimal  
ASCII  
1B 46  
27 70  
ESC F  
3255 4073–002  
9–9  
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EF4270 Emulation Commands  
Select  
Used for parallel printers only. Causes pin 13 on the 25-pin communication  
cable connector to function as the SELECT line. Internal switch pack #3, switch  
8 must be set to OFF.  
Hexadecimal  
Decimal  
ASCII  
1B 47  
27 71  
ESC G  
Either Form-In Sensor  
This command is not supported and is ignored if received.  
Hexadecimal  
Decimal  
ASCII  
1B 49  
27 73  
ESC I  
Both Form-In Sensors  
This command is not supported and is ignored if received.  
Hexadecimal  
Decimal  
ASCII  
1B 4A  
27 74  
ESC J  
Busy Until Buffer Empty  
Changes the state of the RTS (Request to Send) line until the buffer is empty.  
This command is processed immediately.  
Hexadecimal  
Decimal  
ASCII  
1B 4B  
27 75  
ESC K  
9–10  
3255 4073–002  
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EF4270 Emulation Commands  
Clamp Delay  
Sets the time that the printer waits from when it detects an inserted form to  
when it clamps the platen closed. This allows time for the form to be lined up  
correctly and held still.  
Hexadecimal  
Decimal  
ASCII  
Value of n  
1B 4C n  
27 76 n  
ESC L n  
See table  
Value of n  
Hexadecimal  
Decimal  
ASCII  
NUL  
SOH  
STX  
ETX  
Time of Clamp Delay  
No delay  
00  
01  
02  
03  
0
1
2
3
0.250 seconds  
0.500 seconds (default)  
1.00 seconds  
Print Speed  
This command is not supported and is ignored if received.  
Hexadecimal  
Decimal  
ASCII  
1B 53  
27 83  
ESC S  
Buffered Validate  
Opens the platen to allow a form to be inserted. Any data that is received after  
this command will not be printed until the form is detected. This command  
enables the Slip/Validation paper feed and disables the Receipt/Journal paper  
feed.  
Hexadecimal  
Decimal  
ASCII  
1B 57  
27 87  
ESC W  
3255 4073–002  
9–11  
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EF4270 Emulation Commands  
Buffer Clear  
Clears all print characters and control codes from the buffer. All current  
settings are maintained. This command does not return the printer to its default  
condition. The command is processed immediately.  
Hexadecimal  
Decimal  
ASCII  
1B 60  
27 96  
ESC ‘  
Repeat Character  
Repeats any printable characters or control codes up to 255 times. This  
command is best used to send several Line Feed commands (0A), or to print a  
single character a certain number of times.  
Hexadecimal  
Decimal  
ASCII  
Value of c  
Value of n  
1F c n n n 1F 31 c n n n 31 US c n n n US Control Code  
30-39 Hexadecimal  
48-57 Decimal  
0-9 (ASCII)  
or Character  
To send 101 Line Feed commands, send the following string:  
1F 0A 31 30 31 1F  
where 1F starts the command, 0A indicates the Line Feed command, 31 (Hex)  
equals ASCII 1, 30 (Hex) equals ASCII 0, 31 (Hex) equals ASCII 1 (thus 101  
indicates the number of times to repeat the Line Feed command), 1F stops the  
command.  
Wait for Slip  
Puts the printer into slip waiting mode. The Slip In LED blinks until a slip is  
inserted or the waiting is cancelled. When a slip is detected by both sensors, the  
printer delays for a few seconds, and then closes the forms assembly. The delay  
is determined by the Clamp Delay (1B 4C) command. Printing begins 0.18  
inches from the top of the form. If concurrent feed is selected, both the cut  
sheet and the paper roll feed.  
Hexadecimal  
Decimal  
ASCII  
1B 7C  
27 124  
ESC |  
9–12  
3255 4073–002  
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EF4270 Emulation Commands  
Cancel Slip Waiting  
Cancels slip waiting. The communication buffer is cleared and the printer  
returns to roll mode. The command is executed immediately after it is received.  
Hexadecimal  
Decimal  
ASCII  
1B 7E  
27 126  
ESC ~  
Print Characteristics Commands  
These commands affect the appearance of printed information. They control the  
following:  
•
•
•
Character set selection  
Character formatting  
Print orientation  
The commands are listed numerically by hexadecimal code.  
Double-Wide Font  
Starts double-wide printing. The pitch of the double-wide font is half of the  
currently selected font. If the currently selected font is 40 characters per line  
(13.9 pitch), the double-wide characters will print at 20 characters per line (6.9)  
lines per inch.  
This command may be used with the Double-High command 1B 48.  
Hexadecimal  
Decimal  
ASCII  
0E  
14  
SO  
Double-Wide Off  
Turns off double-wide printing.  
Hexadecimal  
Decimal  
ASCII  
0F  
15  
SI  
3255 4073–002  
9–13  
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EF4270 Emulation Commands  
Character Set  
Selects the character set. The default character set is defined by the internal  
DIP switch settings. See “Chapter 3: Diagnostics and Print Test” for more  
information.  
Hexadecimal  
Decimal  
ASCII  
Value of n  
1B 21 n  
27 33 n  
ESC ! n See table  
Value of n  
Hexadecimal  
Decimal ASCII  
Character Set  
PC US (Code Page 437)  
United Kingdom English  
German  
41  
42  
43  
44  
49  
4B  
4C  
65  
66  
67  
68  
73  
75  
76  
A
B
C
D
I
French  
Italian  
K
L
Spanish  
Hebrew  
If a character set other than PC US (Code Page 437) is selected, the unique  
characters will be substituted with characters in the PC US set. See the  
following tables for the substitutions.  
9–14  
3255 4073–002  
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EF4270 Emulation Commands  
3255 4073–002  
9–15  
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EF4270 Emulation Commands  
Underline Print  
Activates the 9th wire on all character cells to underline all printable characters,  
including a space (blank) character.  
Hexadecimal  
Decimal  
ASCII  
1B 43  
27 67  
ESC C  
Underline Off  
Turns off underline printing.  
Hexadecimal  
Decimal  
ASCII  
1B 44  
27 68  
ESC D  
Double-High Off  
Turns off double-high printing.  
Hexadecimal  
Decimal  
ASCII  
1B 45  
27 69  
ESC E  
Double-High Font  
Starts double-high printing. This command requires the printhead to make two  
passes to print one double-high line. The paper is automatically advanced  
between each pass.  
This command may be used with the Double-Wide Font command (0E).  
Hexadecimal  
Decimal  
ASCII  
1B 48  
27 72  
ESC H  
9–16  
3255 4073–002  
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EF4270 Emulation Commands  
Pitch Selection  
Selects the character pitch, from 33 to 66 characters per line.  
The default character set is defined by the internal DIP switch settings. For  
more information, see “Chapter 3: Diagnostics and Print Test.” The Double Wide  
command may be used with any pitch to provide a total of 6 combinations of  
pitch and font.  
Hexadecimal  
Decimal  
ASCII  
Value of n  
1B 50 n  
27 80 n  
ESC P n  
See table  
Value of n  
Hexadecimal  
Decimal  
ASCII  
NUL  
SOH  
STX  
ETX  
EOT  
ENQ  
ACK  
Pitch  
11.5  
12.5  
13.9  
15.3  
17.4  
19.8  
23  
Characters per Line  
00  
01  
02  
03  
04  
05  
06  
0
1
2
3
4
5
6
33  
36  
40  
44  
50  
57  
66  
3255 4073–002  
9–17  
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EF4270 Emulation Commands  
Upside-Down Off  
Turns off upside-down printing.  
Hexadecimal  
Decimal  
ASCII  
1B 52  
27 82  
ESC R  
Upside-Down Print  
Starts upside-down printing. Available for both journal and validation printing.  
Lines are printed in the order they are received from the host. The first line of  
data is the last line of text after the slip is turned right-side up for reading.  
Hexadecimal  
Decimal  
ASCII  
1B 55  
27 85  
ESC U  
Rotate Font 90 Degrees Clockwise or Cancel Rotated Print  
Enables printing with characters rotated 90 degrees clockwise. Keep the  
following in mind when working with rotated characters  
•
When the line buffer is empty, rotated font can be set or cancelled. When  
the print buffer is not empty, the command has no effect.  
•
The print zone width is 3.024 inches for rotated characters (2.88 inches for  
upright characters).  
•
•
Rotated and upright characters cannot be mixed on the same line.  
Double-high/wide characters can be used in any combination with rotated  
print.  
The following commands have no effect while rotated print is enabled.  
•
•
•
Pitch Selection(1B 50 n)  
Character Set (1B 21 n)  
Setup Parameters (19 n)  
For print to be rotated clockwise, the characters must be inverted as well as  
rotated.  
Hexadecimal  
Decimal  
ASCII  
Value of n n  
1B 7D n n  
27 123  
ESC }  
Odd = rotation enabled.  
Even = rotation cancelled.  
9–18  
3255 4073–002  
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EF4270 Emulation Commands  
Graphics Commands  
These commands are used to control the way graphics are entered or printed.  
They are listed in numerical order of their hexadecimal codes.  
Graphics  
Enters graphics printing mode which prints all available dots (uses all wires in  
the printhead). Any combination of dots may be printed in a graphics cell. Each  
graphics cell is eight dots wide by nine dots high, with nine bytes of data needed  
to define the cell (each byte defines the row of eight dots). The command must  
precede the nine bytes that define the cell. Graphics and text may be printed on  
the same line.  
Do not use the command again to turn off this graphics mode as the printer will  
expect another set of bytes to define a new cell.  
Hexadecimal  
Decimal  
ASCII  
1E  
30  
RS  
3255 4073–002  
9–19  
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EF4270 Emulation Commands  
The following representation of the graphics cell shows how the cell is defined  
and which bits define which dots in the cell (bit 0 is the least significant bit; bit  
7 is the most significant bit).  
Bit Number  
7
o
o
o
o
o
o
o
o
o
6
o
o
o
o
o
o
o
o
o
5
o
o
o
o
o
o
o
o
o
4
o
o
o
o
o
o
o
o
o
3
o
o
o
o
o
o
o
o
o
2
o
o
o
o
o
o
o
o
o
1
o
o
o
o
o
o
o
o
o
1st Byte  
2nd Byte  
3rd Byte  
4th Byte  
5th Byte  
6th Byte  
7th Byte  
8th Byte  
9th Byte  
Each line may have up to 25 graphics cells (full-dot graphics). The print line is  
printed unidirectionally.  
Use six Vertical Tab commands (0B) or one Line Feed command (0A) between  
each line (8 lines/inch).  
9–20  
3255 4073–002  
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EF4270 Emulation Commands  
Graphics: 5 Dot  
Enters or exits graphics printing mode which prints only the top five dots of the  
column (corresponding to the top five wires of the printhead). These top five  
dots correspond to the least significant five bits (bits 0-4) of the data sent to the  
printer as shown in the table.  
Dots (Top to Bottom)  
Bit  
1st Dot (Top)  
4
24  
23  
22  
21  
20  
16  
8
2nd Dot  
3
2
1
0
3rd Dot  
4
4th Dot  
2
5th Dot (Bottom)  
1
Hexadecimal  
Decimal  
27 29  
ASCII  
ESC GS  
1B 1D  
Use the following characters to define the graphics (least significant five bits):  
•
•
•
Hexadecimal: 20-3F  
Decimal: 32-63  
ASCII: SP-?  
Each byte of data sent defines each column of the graphic to be printed. The  
first byte defines the column in the left margin, with the following bytes  
defining the columns to the right, for a total of up to 200 columns in the print  
line. The print line is printed unidirectionally. Graphics and text may be printed  
on the same line.  
Use three Vertical Tab commands (0B) to overlap printing by half a dot with the  
next line. Each vertical tab advances the paper by 0.02083 inches, with three  
tabs advancing the paper by 0.062 inches.  
Note: This command provides compatibility with earlier model printers. It  
is generally not used for new applications. See the Graphics  
command (1E) for the more generally used command.  
3255 4073–002  
9–21  
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EF4270 Emulation Commands  
Printer Status Commands  
These commands enable the printer to communicate its status to the host  
computer.  
The commands are listed numerically by hexadecimal code.  
Status: 3 Bit  
Transmits the status of the paper sensors and the condition of the printer. This  
command is processed immediately.  
Hexadecimal  
Decimal  
ASCII  
05 03  
5 3  
ENQ ETX  
The transmitted status is shown in the table:  
Bit  
0
1
0
1
2
Form Present  
Paper Present  
Form Not Present  
Paper Not Present  
Fault Condition  
Printer Is On-Line  
Note: This command provides compatibility with earlier model printers. It  
is generally not used for new applications. See the Status: 6 Bit  
command (1B 05) for the more generally used command.  
9–22  
3255 4073–002  
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EF4270 Emulation Commands  
Status: 6 Bit  
Transmits the status of the paper sensors, cash drawers, forms clamp, and the  
condition of the printer. This command is processed immediately. The  
transmitted status is shown in the table below.  
Hexadecimal  
Decimal  
ASCII  
1B 05  
27 5  
ESC ENQ  
Bit  
0
1
0
1
2
3
4
5
6
7
Form Present  
Paper Present  
Form Not Present  
Paper Not Present  
Fault Condition  
Printer Is On-Line  
Cash Drawer 1 Closed  
Cash Drawer 2 Closed  
Forms Clamp Closed  
Cash Drawer 1 Open  
Cash Drawer 2 Open  
Forms Clamp Open  
Not used (Always 0)  
Not used (Always 1)  
3255 4073–002  
9–23  
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EF4270 Emulation Commands  
Status: 7 Bit  
Transmits the status of the paper sensors, cash drawers, forms clamp, and the  
condition of the printer, including paper jam status. This command is processed  
immediately. The transmitted status is shown in the table below.  
Hexadecimal  
Decimal  
ASCII  
1B 06  
27 6  
ESC ACK  
Bit  
0
1
0
1
2
3
4
5
6
Form Present  
Paper Present  
Form Not Present  
Paper Not Present  
Fault Condition  
Printer Is On-Line  
Cash Drawer 1 Closed  
Cash Drawer 2 Closed  
Forms Clamp Closed  
No Paper Jam  
Cash Drawer 1 Open  
Cash Drawer 2 Open  
Forms Clamp Open  
Paper Jam  
Status-Firmware  
Used for RS-232C printers only. Causes the printer to return 3 bytes (000).  
Hexadecimal  
Decimal  
ASCII  
1B 56  
27 86  
ESC V  
9–24  
3255 4073–002  
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Section 10  
Flash Download Commands  
These commands are used to load firmware into the printer and to configure  
the printer. With the exception of the Put the Printer in Flash Download Mode  
command (1B 5B 7D), these commands are available only when the printer is in  
download mode. No other commands are available in download mode.  
Download mode can be entered in one of two ways:  
•
Set the external switches to a special diagnostic setting and power on the  
printer.  
See “Flash Download Mode” in section 3 for more information  
•
Send the command (available in all emulations), Put the Printer in Flash  
Download Mode (1B 5B 7D) when the printer is in normal operating mode.  
This command is described in this section.  
Note: The EFP9800 FLASHLOAD software utility can also be used for  
downloading firmware to the unit. The utility is included in the  
EFP9800-SW1 style package.  
3255 4073–002  
10–1  
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Flash Download Commands  
List of Flash Download Commands  
This table lists the commands in numerical order according to their  
hexadecimal codes. The page number indicates where a complete description of  
the command can be found in the next section.  
Hexadecimal Code  
1B 5B 7D  
1D 00  
Command Name  
Page  
Put the Printer in Flash Download Mode  
Request Printer Identification  
Request Flash Identifier  
Select Sector to Download  
Request Retransmission of Last Response  
Check CRC  
10–3  
10–3  
10–4  
10–4  
10–4  
10–4  
10–5  
10–5  
10–5  
10–6  
10–7  
10–8  
10–9  
10–9  
10–9  
10–10  
10–10  
10–11  
1D 01  
1D 02  
1D 05  
1D 06  
1D 07  
Return Microprocessor CRC  
Set Emulation  
1D 08  
1D 09  
Request Current Emulation  
Write EEROM Switches  
Read EEROM Switches  
Write EEROM Parameter  
Read EEROM Parameter  
Erase the Flash ROM  
1D 0A  
1D 0B  
1D 0C  
1D 0D  
1D 0E  
1D 0F  
Return CRC of Selected Flash Sector  
Erase Selected Sector  
1D 10  
1D 11  
Download Sector  
1D FF  
Reboot the Printer  
10–2  
3255 4073–002  
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Flash Download Commands  
Flash Download Command Descriptions  
These commands control downloading of flash memory. The printer returns  
either ACK or NAK to the host computer when each command is received:  
•
ACK (hexadecimal 06)  
Sent when the printer has received a host transmission and has completed the  
request successfully.  
•
NAK (hexadecimal 15)  
Sent when a request is unsuccessful.  
The commands are listed in numerical order according to their hexadecimal  
codes. Each command is described and the hexadecimal, decimal, and ASCII  
codes are listed.  
Put the Printer in Flash Download Mode  
Puts the printer in flash download mode in preparation to receive commands  
controlling the downloading of objects into flash memory. When this command  
is received, the printer leaves normal operation and can no longer print  
transactions until the Reboot the Printer command (1D FF) is received or the  
printer is rebooted.  
This command does not affect the current communication parameters. It is  
available in all emulations. Once the printer is in flash download mode, this  
command is no longer available.  
Note: See “Entering Flash Download Mode” in section 3 to put the printer  
in flash download mode using the DIP switches.  
Hexadecimal  
Decimal  
ASCII  
1B 5B 7D  
27 91 125 ESC [ }  
Request Printer Identification  
Requests string containing printer identification. This command is not  
implemented and is ignored if received.  
Hexadecimal  
Decimal  
ASCII  
1D 00  
29 0  
GS NUL  
3255 4073–002  
10–3  
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Flash Download Commands  
Request Flash Identifier  
Returns the size of the flash used. There may be 4, 8, or 16 sectors (64K each) in  
flash memory. The numbers returned are the number of sectors minus one (3, 7,  
or 15 respectively). This command assures that the firmware to be downloaded  
is the appropriate size for flash memory.  
Hexadecimal  
Decimal  
ASCII  
1D 01  
29 1  
GS SOH  
Select Sector to Download  
Selects the flash sector for which the next download operation applies.  
The printer transmits ACK if the sector number is acceptable; NAK if  
unsuccessful.  
Hexadecimal  
Decimal  
ASCII  
Value of n  
1D 02 n  
29 2 n  
GS STX n  
00, 01*  
(hexadecimal)  
*Note: Send 00 or 01 only.  
Request Retransmission of Last Response  
Requests the printer to retransmit the last byte of the last response.  
Hexadecimal  
Decimal  
ASCII  
1D 05  
29 5  
GS ENQ  
Check CRC  
Causes the printer to calculate the CRC for the currently selected sector. This is  
performed normally after downloading a sector to verify that the downloaded  
firmware is correct. The printer also calculates the CRC for each sector during  
power up and halts the program if any sector is erroneous.  
The printer transmits ACK if the calculated CRC is correct for the selected  
sector; NAK if the CRC is incorrect or if no sector is selected.  
Hexadecimal  
Decimal  
ASCII  
1D 06  
29 6  
GS ACK  
10–4  
3255 4073–002  
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Flash Download Commands  
Return Microprocessor CRC  
Causes the printer to transmit ACK followed by the CRC of the microprocessor:  
ACK (CRC low, CRC high).  
Hexadecimal  
Decimal  
ASCII  
1D 07  
29 7  
GS BEL  
Set Emulation  
Sets the printer to the emulation requested. The command assumes that the  
printer flash program memory (sectors 0, 1) have been correctly programmed. If  
these sectors have been erased, the printer returns NAK. The printer returns  
ACK if the command is performed successfully.  
Hexadecimal  
Decimal  
ASCII  
Value of n  
1D 08 n  
29 8 n  
GS BS n See Table  
n
Emulation  
0
1
2
3
EFP9800 ESC POS  
NCR 5021 (Serial Interface Units Only)  
IPI Proprinter  
EF4270  
Request Current Emulation  
The printer transmits ACK followed by the current emulation (see the Set  
Emulation command—1D 08). The command assumes that the printer flash  
program memory (sectors 0, 1) have been correctly programmed. If these  
sectors have been erased, the printer returns NAK. The printer returns ACK if  
the command is performed successfully.  
Hexadecimal  
Decimal  
ASCII  
1D 09  
29 9  
GS HT  
3255 4073–002  
10–5  
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Flash Download Commands  
Write EEROM Switches  
Sets the emulation EEROM switches. The command assumes that the printer  
flash program memory (sectors 0, 1) have been correctly programmed. If these  
sectors have been erased, the printer returns NAK. The printer returns ACK if  
the command is performed successfully.  
Hexadecimal  
Decimal  
ASCII  
1D 0A d1, d2, d3, d4 29 10 d1, d2, d3, d4  
GS LF d1, d2, d3, d4  
The first data byte is the settings for switch pack #1, the second for #2 and so  
on. Each internal switch pack is considered to have eight switches and the  
correspondence between the data bits (di) and switches is as follows:  
di (i = 1, 2, 3, 4)  
Bit  
0
Internal Switch Pack  
Switch 1  
di  
di  
di  
di  
di  
di  
di  
di  
1
Switch 2  
2
Switch 3  
3
Switch 4  
4
Switch 5  
5
Switch 6  
6
Switch 7  
7
Switch 8  
10–6  
3255 4073–002  
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Flash Download Commands  
Read EEROM switches  
Returns the settings of the EEROM switches. This command is used to verify  
that the EEROM switches are set correctly. The command assumes that the  
printer flash program memory (sectors 0, 1) have been correctly programmed. If  
these sectors have been erased, the printer returns NAK. The printer returns  
ACK, followed by switch data. The data is returned in the following form:  
ACK, d1, d2, d3, d4  
Hexadecimal  
Decimal  
ASCII  
1D 0B  
29 11  
GS VT  
Not all switch packs may apply to a specific emulation. However, the printer  
always returns data equivalent to four switch packs. Each switch pack is  
considered to have eight switches and the correspondence between the data  
bits (di) and switches is as follows:  
di (i = 1, 2, 3, 4)  
Bit  
0
Internal Switch Pack  
Switch 1  
di  
di  
di  
di  
di  
di  
di  
di  
1
Switch 2  
2
Switch 3  
3
Switch 4  
4
Switch 5  
5
Switch 6  
6
Switch 7  
7
Switch 8  
3255 4073–002  
10–7  
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Flash Download Commands  
Write EEROM Parameter  
Turns data scope mode on or off, and selects the MICR type (CMC7 or E13B).  
The command assumes that the printer flash program memory (sectors 0, 1)  
have been correctly programmed. If these sectors have been erased, the printer  
returns NAK.  
Hexadecimal  
Decimal  
ASCII  
Value of n  
Value of d  
1D 0C n d  
29 12 n d  
GS FF n d 0, 1, 2  
0, 1  
n
d
Function  
0
0
1
1
2
2
0
1
0
1
0
1
Data Scope Mode OFF  
Data Scope Mode ON  
E13B MICR Type  
CMC7 MICR Type  
Cover Open Switch Enabled  
Cover Open Switch Disabled  
10–8  
3255 4073–002  
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Flash Download Commands  
Read EEROM Parameter  
Returns the setting of the requested parameter. The command assumes that the  
printer flash program memory (sectors 0, 1) have been correctly programmed. If  
these sectors have been erased, the printer returns NAK. The printer transmits  
ACK, followed by the value of the request parameter.  
Hexadecimal  
Decimal  
ASCII  
1D 0D n  
29 13 n  
GS CR n  
n
d
Function  
0
0
1
1
2
2
0
1
0
1
0
1
Data Scope Mode OFF  
Data Scope Mode ON  
E13B MICR Type  
CMC7 MICR Type  
Cover Open Switch Enabled  
Cover Open Switch Disabled  
Erase the Flash ROM  
Causes the entire Flash ROM to be erased.  
The printer returns ACK if the command is successful; otherwise, NAK is  
returned.  
Hexadecimal  
Decimal  
ASCII  
1D 0E  
29 14  
GS SO  
Return CRC of Selected Flash Sector  
Causes the printer to return the CRC of the flash sector (only from sector 0 or  
1) selected by the Select Sector to Download command (1D 02): ACK (CRC low,  
CRC high).  
Hexadecimal  
Decimal  
ASCII  
1D 0F  
29 15  
GS SI  
3255 4073–002  
10–9  
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Flash Download Commands  
Erase Selected Sector  
Erases the sector that was selected previously.  
The printer transmits ACK if the sector is erased successfully, NAK if no sector  
was selected previously.  
Hexadecimal  
Decimal  
ASCII  
1D 10 nn  
29 16 nn  
GS DLE nn  
Download Sector  
Contains a start address (ah*256 + al) and count (ch*256 + cl) of binary bytes to  
load into the selected sector, followed by that many data bytes. The start  
address is relative to the start of the sector.  
Hexadecimal  
Decimal  
ASCII  
1D 11 al ah cl ch d1 . . . dn  
29 17 al ah cl ch d1 . . . dn GS DC1 al ah cl ch d1 . . . dn  
Value of n (for number of data bytes)  
Range of Address (al ah)  
Range of Count (cl ch)  
((ch * 256) + cl)  
2000-FFFF (hexadecimal)  
0001-0400 (hexadecimal)  
•
•
•
•
•
al = low byte of the address (it is sent before the high byte)  
ah = high byte of the address (it is sent after the low byte)  
cl = low byte of the count (it is sent before the high byte)  
ch = high byte of the count (it is sent after the low byte)  
d = data bytes, from 1 to n  
The printer may return one of the following responses:  
•
ACK means that the data was written correctly and the host should transmit  
the next block.  
•
NAK means that the data was not written correctly, either because  
communication failed or because the write to flash failed. The alternatives  
are to retry the block or halt loading and assume a hardware failure.  
10–10  
3255 4073–002  
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Flash Download Commands  
Reboot the printer  
Ends the load process and reboots the printer. Before executing this command,  
the printer should have firmware loaded, emulation set, EEROM switches set  
and external switches set to the runtime settings. Application software for  
downloading should prompt the user to set the external switches and confirm  
before sending this command. If the downloading was started from a  
diagnostic, the reboot will cause the printer to reenter download state unless  
the external switches are changed.  
Hexadecimal  
Decimal  
ASCII  
1D FF  
29 255  
GS Space  
3255 4073–002  
10–11  
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Flash Download Commands  
10–12  
3255 4073–002  
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Section 11  
MICR Commands and Parsing  
These commands control the Magnetic Ink Character Recognition (MICR)  
check reader, including how it parses the character strings on checks. This  
section explains these commands.  
The section that follows, “MICR Parsing,” describes how to create a parsing  
format and how to create and maintain an exception table. If you would like a  
copy of a software utility that performs these functions rather than developing  
your own program using the command codes described in this section, please  
contact Unisys. The software utility can be used as provided or can be  
incorporated into your own application.  
MICR Commands  
Read MICR Data and Transmit  
Reads the MICR data and either ejects the check or positions the check for  
printing, depending on the value of n.  
Hexadecimal  
Decimal  
ASCII  
Value of n (hexadecimal)  
1B 77 n  
27 119 n  
ESC w n 01 (Read MICR and Eject Check)  
02 (Read MICR and Position Check for  
Printing)  
Define Parsing Format, Save in NVRAM  
Defines and saves parsing format. See “Parsing Parameter String Options” on  
the next page. Send this command at the start of day or use in the setup  
application. If no parameters are selected, parsing is not performed.  
Hexadecimal  
Decimal  
ASCII  
1B 77 50  
parameters  
27 119 80  
parameters  
ESC w P  
parameters  
3255 4073–002  
11–1  
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MICR Commands and Parsing  
Reread MICR Data  
Resends the unparsed MICR data (as if the parsing has not been defined) from  
the previous MICR sequence.  
Hexadecimal  
Decimal  
ASCII  
1B 77 52  
27 119 80  
ESC w P  
Define Parsing Format, Do Not Save Permanently  
Defines, but does not save parsing format. See “Parsing Parameter String  
Options” on the next page. Send this command at the start of day or use in the  
setup application. If no parameters are selected, parsing is not performed.  
Hexadecimal  
Decimal  
27 119 112 ESC w p  
parameters parameters  
ASCII  
1B 77 70  
parameters  
MICR Parsing  
This section describes the MICR parsing in more detail and includes several  
examples of useful parsing variations. It also describes how to create a parsing  
format and how to create and maintain an exception table.  
If you would like a copy of a software utility that performs these functions  
rather than developing your own program using the command codes described  
in this section, please contact Unisys. The software utility can be used as  
provided or can be incorporated into your own application.  
11–2  
3255 4073–002  
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MICR Commands and Parsing  
Parsing Parameter String Options  
The parsing options apply only to the E13B MICR font only, not to the CMC7  
MICR font.  
Variable Length Fields  
Variable Length Field Name Selector Comments  
Transit Number  
Bank Number  
Check Digit  
T
B
D
A
C
$
Full 9 digit routing/transit number  
Digits 4-8 of transit number  
Digit 9 of transit number  
Account Number  
Check Serial Number  
Amount  
Separate from account number  
This field may not be present or readable  
Variable Length Field Optional  
Modifiers  
Selector Comments  
Zero fill to length  
0
ASCII zero preceding maximum  
length  
Maximum length  
nn  
X
x
1- or 2-digit ASCII number  
Remove space/dash  
Replace space/dash with 0  
Examples of Variable Length Field Format Specifications  
Account #, all characters in the field, keep spaces and dashes  
A
Account #, all characters in the field, replace spaces and dashes  
Account #, maximum 12 characters, keep spaces and dashes  
Account #, always 12 characters zero filled, remove spaces and dashes  
xA  
12A  
012XA  
3255 4073–002  
11–3  
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MICR Commands and Parsing  
Other Parameters  
Error Number  
E
One Digit Returned  
0
Read OK  
1
Read error: bad character, empty field  
invalid length, check digit invalid  
Status  
S
Two Digits Returned  
01  
No MICR data  
09  
08  
05  
07  
04  
10  
11  
00  
Mexican check  
Canadian check  
Error in transit number  
Error in account number  
Error in check serial number  
Business or commercial check  
Amount field present  
No error  
Field Separator ’x  
Field separator preceded by a single quote, so a field  
separator of the letter A would be sent as ’A (0x27  
0x41).  
If a Carriage Return is specified as a separator (0x27  
0x0D), a final Carriage Return must still terminate the  
parsing parameter string.  
Country Code Un  
One Digit Returned  
n
US check  
Km  
m
Canadian check  
Check Type  
L
One Digit Returned  
1
Personal check  
2
Business or commercial check  
11–4  
3255 4073–002  
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MICR Commands and Parsing  
Ten parameters are more than enough to specify all variable length fields with a  
field separator each and other status information that may be helpful to an  
application. More than 10 parameters are not recommended because they use  
up space in non-volatile memory (NVRAM) available for the exception table.  
The parsing parameter string is stored packed in NVRAM starting at word 10,  
with the total byte length stored in the high order byte of word 10. While most  
parameters take two bytes of NVRAM, the following parameters take only one  
byte: B, D, E, S, L. None of the parsing examples in the following section take  
more than 14 bytes (seven words) of NVRAM.  
The exception table starts at word 20. If the parsing parameter string extends  
into word 20, then the first exception table entry is unavailable.  
Sample Parsing Formats  
The following strings show various sample formats that you can use assuming  
they meet your parsing format needs. Included with the sample format is a  
description of the data that is returned to the application.  
ESC w p 18 A <CR>  
•
•
Maximum 18 characters in the account number  
Final Carriage Return  
ESC w p 18 X A <CR>  
•
Maximum 18 characters in the account number with spaces and dashes  
removed  
•
Final Carriage Return  
ESC w p 18 x A <CR>  
•
Maximum 18 characters in the account number with spaces and dashes  
replaced  
with 0  
•
Final Carriage Return  
3255 4073–002  
11–5  
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MICR Commands and Parsing  
ESC w p 018 A <CR>  
•
Always 18 characters in the account number (high order zero-filled if  
necessary)  
•
Final Carriage Return  
ESC w p 018 X A <CR>  
•
Always 18 characters in the account number with spaces and dashes  
removed  
•
Final Carriage Return  
ESC w p 018 x A <CR>  
•
Always 18 characters in the account number with spaces and dashes  
replaced with 0  
•
Final Carriage Return  
ESC w p T 18 X A 04C <CR>  
•
•
All characters in the transit number  
All characters in the account number (up to 18) with spaces and dashes  
removed  
•
•
Always four characters in the check number (zero-filled if check number is  
only three characters long)  
Final Carriage Return  
ESC w p K9 X T 18 X A 04C <CR>  
•
•
•
•
check: all nine characters in the transit number (because there are no  
dashess)  
Canadian check: dash in transit number removed; “9” inserted at beginning,  
resulting in a fully numeric nine character transit number  
All characters in the account number (up to 18) with spaces and dashes  
removed  
Always four characters in the check number (zero-filled if check number is  
only three characters long)  
11–6  
3255 4073–002  
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MICR Commands and Parsing  
•
Final Carriage Return  
ESC w p T ’/ A ’/ C ’/ S <CR>  
•
•
•
•
•
•
•
•
All characters in the transit number  
Field separator: /  
All characters in the account number  
Field separator: /  
All characters in the check number  
Field separator: /  
Two-digit status  
Final Carriage Return  
3255 4073–002  
11–7  
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MICR Commands and Parsing  
Notes  
All parameters are ASCII characters, i.e. greater than or equal to 0x20, with the  
exception of a non-ASCII character enclosed in single quotes as a field  
separator. This applies both to parameter specifications sent from application  
to printer, and to MICR data returned from printer to application.  
Parameters are positional; their order in the parameter string is the order in  
which the parsed MICR data will be returned. Unrecognized parameters will be  
ignored, and processing of the parsing parameters will stop. Any data remaining  
after the unrecognized parameter will be treated as normal input data.  
If parameters are not defined (for example, ESC wP <CR> or ESC wp <CR>)  
parsing is not selected. One status byte, followed by all decoded MICR  
characters will be returned. See the descriptions of the commands. This is the  
default parsing format if no other is selected:  
Status  
Status Byte Value  
Good read, data follows  
0x00  
Bad read, data follows  
No check present, no data  
Paper jam, no data  
0x01  
0x02  
0x03  
0x04  
No MICR characters, no data  
MICR Characters  
ASCII Hexadecimal  
Numerics  
0...9  
0x30...0x39  
Unrecognized Character  
Space  
?
0x3F  
0x20  
Amount symbol  
Dash symbol  
&
'
0x26  
0x27  
“on us” symbol  
Transit symbol  
(
0x28  
)
0x29  
11–8  
3255 4073–002  
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MICR Commands and Parsing  
Once a parsing format is specified, the following values are returned:  
MICR Characters  
ASCII  
Hexadecimal  
Numerics  
0...9  
0x30...0x39  
Space  
0x20  
Dash  
-
0x2D  
Field separator*  
Country code*  
*As specified in the parsing parameter string  
With RS-232C communication, the printer adds a final carriage return to the  
MICR data sent to the application.  
Check Serial Number  
Parsing the Check Serial Number  
Most banks print the check serial number in three easily recognizable spots.  
The printer firmware will look for the number in these spots, using the  
following ordered algorithm. The examples use letters to represent symbols on  
the check:  
t
Transit symbol  
“on us” symbol  
Amount symbol  
Dash  
o
$
-
c
x
Check serial number  
Any other number  
A number bracketed by “on us” symbols in the auxiliary “on us” field is the  
check serial number.  
occcccco txxxxxxxxxt xxxxxxxxo  
3255 4073–002  
11–9  
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MICR Commands and Parsing  
Otherwise, a three or more digit number to the right of the rightmost “on us”  
symbol, and to the left of the leftmost amount symbol if an amount field is  
present, is the check serial number.  
txxxxxxxxxt xxxxxxxxo cccc  
txxxxxxxxxt xxxxxxxxo cccc $xxxxxx$  
If both of these searches fail to produce the check serial number, extract the  
whole account number field from between the rightmost transit symbol and the  
rightmost “on us” symbol. A three, four, or five digit number to the right of the  
rightmost transit symbol, separated by a space or a dash from the rest of the  
account number is the check serial number.  
txxxxxxxxxt cccc xxxxxxxxo  
txxxxxxxxxt cccc-xxxxxxxxo  
txxxxxxxxxt cccc xxxxxxxxo xx  
If all of these searches fail to produce the distinct check serial number, and the  
check serial number field has been specified in the parsing parameter string  
options, no check serial number will be returned. If it is imbedded within the  
account number field, it will be returned as part of that variable length field.  
Exceptions  
Some banks print the check serial number in a location which cannot be  
electronically distinguished without specific exception information, although it  
can be visually distinguished because it is repeated in the upper right corner of  
the check. For these cases, the printer can hold up to nine exceptions for  
specific banks in its non-volatile memory (NVRAM), which is accessed by the  
read and write NVRAM commands. The specific bank is picked out by its transit  
number, and the firmware will look in the exception table for a transit number  
match before looking in the normal check serial number locations.  
In this example, without an exception table entry, the firmware would always  
pick the rightmost four digit number as the check serial number following rule  
two above. The bank with the three digit check serial number and the four digit  
extension after the “on us” symbol would need to be exceptionally recognized:  
txxxxxxxxxt ccc-xxxxxxxxxxoxxxx  
txxxxxxxxxt xxx-xxxxxxxxxxocccc  
11–10  
3255 4073–002  
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MICR Commands and Parsing  
In this example, without an exception table entry, the firmware would not be  
able to pick out the check serial number because it is not separated from the  
rest of the account number:  
txxxxxxxxxt ccccxxxxxxxxxxo  
In this example, without an exception table entry, the firmware would not be  
able to pick out the check serial number correctly, because it is imbedded  
within the rest of the account number:  
txxxxxxxxxt xxx-ccc-xxxxxxxxxxo  
Loading the Exception Table  
The exception table begins at word 20 in NVRAM. Each entry takes five words.  
There is room for eight exceptions with a sumcheck written in the last word. An  
application can load local exceptions into the printer using the write NVRAM  
command:  
0x1B 0x73 n1 n2 k  
which writes the two byte word n1:n2 to word k in NVRAM.  
Exception Table Entry Format  
Each exception table entry consists of five words. The first two words contain  
the first eight characters of the transit number by packing the low order nibble  
of the numeric transit number characters. For Canadian checks, eliminate the  
dash and store the eight numerics.  
The next three words are used as six individual bytes to tell the firmware how  
to interpret the MICR characters which fall to the right of the rightmost transit  
symbol. Each of the six bytes is positional and consists of two parts: character  
type and number.  
3255 4073–002  
11–11  
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MICR Commands and Parsing  
The three high order bits of each byte mark the character type. The characters  
can be marked in three ways: check serial # character, account # character, or  
“skip this character or symbol.” The five low order bits of each byte contain the  
number of characters of that type to extract. Most exceptions will not need to  
use all six bytes; in that case clear the unused bytes to zero.  
Bits within Byte  
7
0
0
1
6
0
1
0
5
1
0
0
4
n
n
n
3
n
n
n
2
n
n
n
1
n
n
n
0
n
n
n
check serial # character string  
account # character string  
character string to ignore  
Example 1  
t123456780t12349876543210o 1234 is the check serial #  
9876543210 is the account #  
To load the second table entry, which starts at word 25, the transit number  
123456780 would be stored in the first two words of its table entry using this  
string of commands:  
0x1B 0x73 0x12 0x34 25  
0x1B 0x73 0x56 0x78 26  
After the right transit symbol are immediately the four characters of the check  
serial #, followed immediately by the ten characters of the account number.  
These would be bitwise encoded as:  
0 0 1 0 0 1 0 0 (check #, four characters)  
and 0 1 0 0 1 0 1 0 (account #, 10 characters)  
then stored in the other three words of the table entry using:  
0x1B 0x73 0x24 0x4A 27  
0x1B 0x73 0x00 0x00 28  
0x1B 0x73 0x00 0x00 29  
11–12  
3255 4073–002  
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MICR Commands and Parsing  
Example 2  
t22137-632t001 6042202o927540 2754 is the check serial #  
6042202 is the account #  
To load the third table entry, which starts at word 30, the transit number 2137-  
632 would be stored in the first two words of its table entry using this string of  
commands:  
0x1B 0x73 0x22 0x13 30  
0x1B 0x73 0x76 0x32 31  
After the right transit symbol are four characters to skip, a seven digit account  
number, two characters to skip, and finally a four digit check serial #. The final  
character to skip need not be encoded. These would be bitwise encoded as:  
1 0 0 0 0 1 0 0 (skip four characters)  
0 1 0 0 0 1 1 1 (account #, seven characters)  
1 0 0 0 0 0 1 0 (skip two characters)  
0 0 1 0 0 1 0 0 (check #, four characters)  
then stored in the other three words of the table entry using:  
0x1B 0x73 0x84 0x47 32  
0x1B 0x73 0x82 0x24 33  
0x1B 0x73 0x00 0x00 34.  
Maintaining the Exception Table  
Present contents of the exception table can be examined using the read NVRAM  
command:  
0x1B 0x6A k  
which reads and returns word k in NVRAM. When the exception table is full, a  
new entry can replace an older, less frequently used entry, by merely rewriting  
the words for that table entry.  
3255 4073–002  
11–13  
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MICR Commands and Parsing  
11–14  
3255 4073–002  
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Appendix A  
Specifications  
Printing Specifications  
Table 1: Speed and Print Modes  
Receipt/Journal Station  
Slip Station  
Speed  
290 lines/minute  
(40 columns at 13.9 CPI, with 10 x 7  
290 lines/minute  
(40 columns at 13.9 CPI, with 10 x 7  
character cell, in 3.024 inch print zone) character cell, in 3.024 inch print zone)  
Printhead  
9 Wire Impact  
Line Spacing  
7.2, 6.0, 5.0 LPI (ESC/POS)  
8, 6.9, 6.0, 5.3 LPI (EF4270)  
9, 8, 7.2, 6.5, 6, 5.5, 5.1 LPI (NCR  
5021)  
7.2, 6.0, 5.0 LPI (ESC/POS)  
8, 6.9, 6.0, 5.3 LPI (EF4270)  
9, 8, 7.2, 6.5, 6, 5.5, 5.1 LPI (NCR 5021)  
8, 6 LPI (Ithaca Peripherals Proprinter)**  
8, 6 LPI (Ithaca Peripherals  
Proprinter)**  
Enhanced  
Print  
Standard, Bold, Underline, Double-Wide, Standard, Bold, Underline, Double-Wide,  
Double-High, Double-Strike, Rotated,  
Upside-Down  
Double-High, Double-Strike, Rotated, Upside-  
Down  
*Character  
Sets  
Code Page 437 PC US  
Code Page 437 PC US  
Code Page 850 PC Multilingual  
Code Page 852 Eastern European  
Code Page 865 Nordic Languages  
Code Page 850 PC Multilingual  
Code Page 852 Eastern European  
Code Page 865 Nordic Languages  
*Extended character sets are available for both the ESC/POS and EF4270 emulations. For  
more information, see Chapter 6 or Chapter 9.  
**For finer line spacing, see Chapter 7.  
3255 4073–002  
A–1  
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Specifications  
Table 3: Character and Line Specifications  
EFP9800 ESC/POS (Includes Epson ESC/POS Emulation)  
Characters/  
Line  
Character  
Cell Size  
Print Line  
Width  
Slip Right Margin  
Inches (mm)  
Receipt Right  
Margin  
Characters  
/Inch  
(Columns)  
Inches (mm)  
Inches (mm)  
(Pitch)  
40  
33  
42  
35  
10 x 71  
5 x 92  
2.506 (63.65) 0.53 (13.46)3  
0.3720  
(9.45)  
15.9  
13.2  
16.8  
13.9  
Or 0.3720 (9.45)3  
2.506 (63.65) 0.53 (13.46)3  
Or 0.3720 (9.45)3  
0.3720  
(9.45)  
10 x 71  
5 x 92  
2.506 (63.65) 0.53 (13.46)3  
0.3720  
(9.45)  
Or 0.3720 (9.45)3  
2.506 (63.65) 0.53 (13.46)3  
Or 0.3720 (9.45)3  
0.3720  
(9.45)  
51  
42  
42  
35  
10 x 71  
5 x 92  
3.024 (76.80) 0.1130 (2.87)  
3.024 (76.80) 0.1130 (2.87)  
3.024 (76.80) 0.1130 (2.87)  
3.024 (76.80) 0.1130 (2.87)  
.1130 (2.87)  
.1130 (2.87)  
.1130 (2.87)  
.1130 (2.87)  
16.5  
13.9  
13.9  
11.6  
10 x 71  
5 x 92  
110 half dots wide by 7 dots high.  
25 full dots wide by 9 dots high.  
3The right margin for the slip/validation may be set with internal switch pack values in  
NVRAM using Switch Pack 3, switch 4. See “Set Internal Switch Values in NVRAM” in  
chapter 3 for more information about setting the character and line specifications.  
Ithaca Peripherals Proprinter Emulation  
Characters/  
Line  
Character  
Cell Size  
Print Line  
Width  
Slip Right  
Margin  
Receipt Right Characters/Inch  
Margin  
(Pitch)  
(Columns)  
Inches (mm)  
Inches (mm)  
Inches (mm)  
24  
28  
40  
10 x 71  
10 x 71  
10 x 71  
2.338 (59.38)  
2.338 (59.38)  
2.338 (59.38)  
0.343 (8.71)  
0.343 (8.71)  
0.343 (8.71)  
0.343 (8.71)  
0.343 (8.71)  
0.343 (8.71)  
10  
12  
17  
110 half dots wide by 7 dots high.  
A–2  
3255 4073–002  
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Specifications  
NCR 5021 Emulation (Serial Interface Units only)  
Characters Character  
Print Line  
Width  
Slip Right  
Margin  
Receipt Right Characters/Inch  
/Line  
Cell Size  
Margin  
(Pitch)  
(Columns)  
Inches (mm)  
Inches (mm)  
Inches (mm)  
40  
12 x 71  
3.024 (76.80) 0.1130 (2.87) 0.1130 (2.87) 13.2  
112 half dots wide by 7 dots high.  
EF4270 Emulation  
Characters Character  
Print Line  
Width  
Slip Right  
Margin  
Receipt Right Characters  
/Line  
Cell Size  
Margin  
/Inch  
(Columns)  
Inches (mm) Inches (mm)  
2.88 (73.15) 0.200 (5.08)  
2.88 (73.15) 0.200 (5.08)  
2.88 (73.15) 0.200 (5.08)  
2.88 (73.15) 0.200 (5.08)  
2.88 (73.15) 0.200 (5.08)  
2.88 (73.15) 0.200 (5.08)  
2.88 (73.15) 0.200 (5.08)  
Inches (mm)  
(Pitch)  
33  
36  
40  
44  
50  
57  
66  
8 x 71  
8 x 71  
8 x 71  
8 x 71  
6 x 92  
6 x 92  
6 x 92  
0.200 (5.08)  
0.200 (5.08)  
0.200 (5.08)  
0.200 (5.08)  
0.200 (5.08)  
0.200 (5.08)  
0.200 (5.08)  
11.5  
12.5  
13.9  
15.3  
17.4  
19.8  
23.0  
18 half dots wide by 7 dots high  
26 half dots wide by 9 dots high.  
3255 4073–002  
A–3  
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Specifications  
Print Zones  
The illustrations in this section show the printable area for the receipt, journal,  
slip, and validation stations. The illustrations are not to scale. References to a  
table are for Table 3: Character and Line Specifications on the previous page.  
Receipt and Journal Print Zones  
The table referenced in the illustration is Table 3: Character and Line  
Specifications, on the previous page.  
A–4  
3255 4073–002  
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Specifications  
Validation Print Zone  
The table referenced in the illustration is Table 3: Character and Line  
Specifications, earlier in this appendix.  
The following tables specify the location of the first line of validation from the  
bottom of the form for each emulation.  
3255 4073–002  
A–5  
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Specifications  
Emulation  
Number of Validation  
Lines*  
Location of First Line of Validation from Bottom of  
Form  
EFP9800  
ESC/POS  
4
1.17 inches (29.7 mm)  
1.525 inches (38.7 mm)  
2.00 inches (50.8 mm)  
2.67 inches (67.82 mm)  
EFP9800  
ESC/POS  
6
EFP9800  
ESC/POS  
10  
14  
EFP9800  
ESC/POS  
IPI Proprinter  
NCR 5021  
NCR 5021  
14  
3
2.6 inches (66.04 mm)  
1.02 inches (25.91 mm)  
1.52 inches (38.61 mm)  
6
*See “Set Internal Switch Pack Values in NVRAM” in chapter 3 for more information about  
setting the number of lines of validation.  
A–6  
3255 4073–002  
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Specifications  
Using the EF4270 emulation, the EFP9800 can print up to 16 lines of validation  
at 8 lines/inch. Use internal switch pack 4 to change the settings.  
Emulation  
Location of First Line of Validation from Bottom of Form  
2.63 inches (66.80 mm)  
2.51 inches (63.75 mm)  
2.42 inches (61.46 mm)  
2.33 inches (59.18 mm)  
2.22 inches (56.38 mm)  
2.12 inches (53.84 mm)  
2.00 inches (50.8 mm)  
EF4270  
1.91 inches (48.51 mm)  
1.80 inches (45.72 mm)  
1.67 inches (42.41 mm)  
1.59 inches (40.38 mm)  
1.50 inches (38.1 mm)  
1.39 inches (35.30 mm)  
1.29 inches (32.76 mm)  
1.20 inches (30.48 mm)  
1.00 inches (25.40 mm)  
3255 4073–002  
A–7  
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Specifications  
Slip Print Zone  
The table referenced in the illustration is Table 3: Character and Line  
Specifications on page 2.  
MICR Read Zone  
A–8  
3255 4073–002  
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Specifications  
Dimensions  
3255 4073–002  
A–9  
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Specifications  
Power Requirements  
The EFP9800 printer can receive power from a remote power supply. The  
voltage requirements are listed below:  
Voltage  
Maximum Short Term Current  
Maximum Long Term Current  
24 V +/- 5%  
2.4 Amps  
1.4 Amps  
Environmental Requirements  
Following are the environmental requirements for the EFP9800 printer:  
•
•
Operating Temperature: 41° F to 120° F (5° C to 50° C)  
Operating Humidity: 5% to 90%  
Condensation may occur when the printer is transferred from cold to warm  
areas after shipment. The printer’s design permits operation after drying out  
and stabilizing at room temperature.  
This printer was designed to operate in the environment outlined in this section.  
Operation outside these ranges as defined may lead to degradation of the  
printer functionality and reliability, and may result in higher than specified  
service call rates. In environments which contain a high level of contaminants,  
dirt, airborne debris or particles, preventative maintenance will be required.  
Reliability  
Impact Printer  
15 Million Print Lines  
200 Million Characters  
5 Million Characters  
150 Thousand On-time Hours  
500,000 Reads  
Impact Printhead  
Ribbon Cassette  
Power Supply  
MICR Check Reader  
A–10  
3255 4073–002  
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Specifications  
Character Sets  
Code Page 437 (PC US)  
3255 4073–002  
A–11  
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Specifications  
Code Page 850 (PC Multilingual)  
A–12  
3255 4073–002  
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Specifications  
Code Page 852 (Eastern European)  
CRT Character Set Code Page 852  
3255 4073–002  
A–13  
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Specifications  
Code Page 865 (Nordic Languages)  
A–14  
3255 4073–002  
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