Oki Printer ML390Turbo User Manual

320T_tp.jpg  
Users  
Guide  
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Contents  
Helpful Hints ...............................................................8  
Saving Money ........................................................................9  
Saving Money: Forms Tear-Off............................................9  
Saving Time .......................................................................10  
Saving Time: Internet Support ..........................................10  
Saving Time: Paper Park ....................................................10  
Saving Time: Moving Through the Menu ........................10  
Operation Tips ......................................................................11  
Operation Tip: Top of Form ...............................................11  
Operation Tip: Turning the Platen Knob ...........................12  
Operation Tip: Control Access to the Printer.....................12  
Introduction .............................................................. 13  
Printer Features .....................................................................14  
Parts Identification .................................................. 15  
Printer Serial Number ...........................................................15  
Parts Identification: Rear Feed (Continuous Forms)............16  
Parts Identification: Top Feed (Single-Sheet) ......................17  
Front Panel Lights ................................................................18  
Front Panel Keys ..................................................................19  
User’s Guide: English  
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Paper Loading ......................................................................30  
Testing the Printer ................................................................34  
Font Sample Test ................................................................35  
Rolling ASCII Test .............................................................36  
Local Printer Installation......................................................37  
Installing Printer Software ....................................................37  
Windows 95,98,Me,NT4.0 .................................................37  
Windows 2000 ...................................................................38  
Network Printer Installation .................................................39  
Connecting the Network Cable .........................................39  
Connecting to the Parallel Port ............................................41  
Emulations ...........................................................................41  
Printer Drivers .......................................................................41  
Product Registration ............................................................42  
my.okidata.com ..................................................................42  
Registering Your Printer .....................................................42  
Installation ................................................................ 20  
Installation Hints ..................................................................20  
Installation Overview ...........................................................21  
Installation Location ............................................................21  
Customizing the Installation................................................22  
Unpacking the Machine .......................................................24  
Shipping Restraints ..............................................................25  
Ribbon Cartridge..................................................................26  
Ribbon Cartridge Handling ...............................................28  
Ribbon Cartridge Emergency First Aid .............................28  
Accessories ...........................................................................29  
Power Connections...............................................................29  
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Using Your Printer................................................... 43  
Top of Form (TOF) ................................................................43  
Top of Form (TOF) and Forms Tear-Off..............................44  
Forms Tear-Off Status (ON or OFF) ....................................44  
Setting Top of Form, Forms Tear-Off ON (StepA) .............45  
Setting Top of Form, Forms Tear-Off OFF (Step B)............47  
Temporary Top of Form Change ........................................49  
Reset Top of Form to Factory Default ................................50  
Printer ON ........................................................................50  
Printer OFF .......................................................................50  
Forms Tear-Off ......................................................................51  
Changing the Forms Tear-Off Setting ................................52  
Automatic Forms Tear-Off ..................................................53  
TEAR Key andAutomatic Forms Tear-Off ......................53  
Manual Forms Tear-Off ......................................................54  
TEAR Key ............................................................................55  
Forms Tear-Off set OFF ......................................................55  
Forms Tear-Off set ON ........................................................55  
Paper Park .............................................................................56  
Changing Paper Paths ..........................................................57  
Continuous-forms to single-sheet feed ..............................57  
Single-sheet feed to continuous forms ..............................57  
Printhead Gap .......................................................................58  
Expanded Printhead Gap ...................................................59  
Print Quality .........................................................................63  
Typeface ...............................................................................64  
Character Pitch .....................................................................65  
Printer Reset .........................................................................66  
Emulations ...........................................................................67  
Available Emulations.........................................................67  
Changing Emulations ........................................................67  
Printer Drivers .......................................................................68  
Selecting Printer Drivers ....................................................68  
Obtaining Drivers...............................................................69  
Installing Printer Drivers ....................................................69  
Menu Mode ..........................................................................70  
Moving Through the Menu ...............................................71  
Moving Forward ..............................................................71  
Moving Backward ...........................................................71  
Resetting Menu to Factory Defaults ..................................72  
Printing the Menu Settings ................................................72  
Changing the Menu Settings .............................................73  
Menu Settings Table ..........................................................74  
Explanations of Menu Items ..............................................79  
User’s Guide: English  
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Specifications ............................................................ 96  
Service and Support .............................................. 102  
General Information .......................................................... 102  
Documentation .................................................................. 103  
Purchase Location ............................................................. 103  
Internet Support ................................................................. 104  
www.okidata.com ......................................................... 104  
my.okidata.com ............................................................ 104  
Telephone Support ............................................................ 105  
Oki Data Service Centers................................................... 106  
Service and Support: United States and Canada............... 107  
Service and Support: Latin America ................................. 108  
Accessories ............................................................. 109  
PurchasingAccessories...................................................... 109  
Accessories: Part Numbers ................................................ 110  
Consumables: Part Numbers ........................................... 110  
Options: Part Numbers .................................................... 110  
Replacement Parts: Part Numbers ................................... 111  
Documentation: Part Numbers ........................................ 112  
Maintenance ............................................................. 82  
Replacing the Ribbon Cartridge ..........................................82  
Printer Cleaning ...................................................................83  
Paper Jams ............................................................................84  
Rear Feed Paper Jams .........................................................84  
Single-sheet Paper Jams .....................................................89  
Troubleshooting ....................................................... 90  
General Information .............................................................90  
Internet Support .................................................................90  
List of Problems ....................................................................91  
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Printer Control Codes .......................................... 113  
Epson LQ Commands ........................................................ 114  
IBM Proprinter X24e / XL24e and  
IBM X24eAGM /XL 24eAGM Commands ..................... 117  
Index ........................................................................ 126  
User’s Guide: English  
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Helpful Hints  
Your printer has many features and capabilities that will help  
you:  
This section summarizes the features and capabilities directly  
connected to saving money and time.  
• save money.  
• save time.  
Details for these features and capabilities are provided in  
other sections of this document.  
• operate the machine.  
You may want to use some of our Helpful Hints when  
working with your machine.  
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Saving Money  
Saving Money: Forms Tear-Off  
The Forms Tear-Off feature allows a printed page (rear feed,  
continuous form) to be torn off without wasting paper or  
adjusting the printer.  
When printing stops, the paper will advance to the tear-off  
position.  
This feature is normally turned off.  
Forms Tear-Off automatically moves the paper from the  
initial printing position (print start position) to the tear-off  
position, after a time interval (which you select through the  
menu).  
Forms Tear-Off and the Top of Form settings interact.  
For more information, refer to “UsingYour Printer, Forms  
Tear-Off” and “UsingYour Printer, Top of Form.”  
The top of the page (perforation) is even with the tear bar.  
The tear bar is located under the clear top of the access cover.  
Paper remains in the tear-off position until the printer  
receives more data. Then, the paper moves back down for  
printing (retracts to the initial print position).  
User’s Guide: English  
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Saving Time: Paper Park  
Saving Time  
Your printer’s paper park feature allows you to print a single  
sheet (cut-sheet) page without removing continuous feed  
paper from the printer.  
Saving Time: Internet Support  
For more information, refer to “UsingYour Printer, Paper  
Park.”  
Oki Data provides support via the Internet.  
Oki Data’s main web site, www.okidata.com, is the gateway to  
Oki Data’s products and services.  
Saving Time: Moving Through the Menu  
my.okidata.com is a powerful area of Oki Data’s web site  
designed to help you personalize the information and service  
you get from Oki Data.  
When the printer is in Menu Mode, you can move forward or  
backwards through the menu.  
You can find information at your convenience, at any time.  
To move forward, press GROUP, ITEM, or Set, whichever is  
appropriate.  
For more information, refer to “Service and Support, Internet  
Support.”  
To move backward, press and hold SHIFT, then GROUP,  
ITEM, or Set, whichever is appropriate.  
For more information, refer to “UsingYour Printer, Menu  
Mode.”  
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Operation Tips  
Operation Tip: Top of Form  
If you turn the platen knob when the printer is turned  
!
!
on, you will cause the Top of Form to mis-align. Always  
turn the printer off before turning the platen knob!  
The first line prints at the red line of the plastic paper shield  
(1) on the printhead.  
Always determine the status of the Forms Tear-Off menu  
setting BEFORE setting the Top of Form. Refer to  
“UsingYour Printer, Top of Form, Forms Tear-Off  
Status (ON or OFF).”  
The Top of Form and Forms Tear-Off settings of your printer  
interact.  
How you set the Top of Form depends on the status of the  
Forms Tear-Off menu setting.  
For more information, refer to “UsingYour Printer, Top of  
Form (TOF).”  
Top of Form sets the print start position for the printer. It is  
adjustable in increments of 1/144 of an inch. The amount of  
adjustment is limited to avoid paper jams.  
32T-18.eps  
1
The Top of Form may be left at the factory default (1 inch),  
changed for a single print job, or set to a new (permanent)  
default.  
M
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Operation Tip: Turning the Platen Knob  
Operation Tip: Control Access to the  
Printer  
If you turn the platen knob when the printer is turned  
!
on, you will cause the Top of Form to mis-align. Always  
turn the printer off before turning the platen knob!  
You can control access to the printer by changing the setting  
for the Operator Panel Function (in the Menu).  
When the Operator Panel Function is set to Full Operation  
(the factory default), all keys on the front panel operate.  
When the Operator Panel Function is set to Limited  
Operation, the PRINT QUALITY and CHARACTER PITCH  
keys don’t work. This prevents these settings from being  
changed from the control panel when several people are  
using the printer.  
For more information, refer to “UsingYour Printer, Menu  
Mode, Menu Settings Table, Setup, Operator Panel  
Function.”  
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Introduction  
Thank you for purchasing this printer.  
Oki Data on the Internet  
This rugged 24-pin printer can meet the needs of harsh and  
demanding environments. The expanded printhead gap, zero-  
tear capability, and multiple paper feed paths allow the  
printer to handle a wide variety of media, including 6-part  
forms. Your printer will provide years of dependable and  
efficient service.  
The Oki Data Web Sites provide the most current information  
available on your product.  
An on-line version of this document is available for viewing  
and downloading via Oki Data’s Web Sites.  
You may reach Oki Data via the Internet at:  
In addition to the many standard features, options can  
expand the machine’s capabilities.  
www.okidata.com  
my.okidata.com  
For information on the options, see “Accessories.”  
For more information on the Oki Data Web Sites, refer to  
“Service and Support, Internet Support.”  
User’s Guide: English  
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Printer Features  
• Super reliable, durable operation: 10,000 hours Mean  
Time Between Failures (MTBF)!  
• Expandable head gap for handling forms up to 0.031"  
(0.79 mm) thick through the bottom feed path using the  
optional push and/or pull tractor.  
• Advanced paper handling, with built-in rear push tractor  
and zero-tear forms capability.  
• Blazing print speeds:  
— Utility Mode  
260 to 390 cps  
depends on selected characters per inch  
— Letter Quality Mode  
87 to 174 cps  
depends on selected characters per inch  
• 100% backward compatible with Microline 390/391  
printers.  
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Parts Identification  
The parts identified here are parts of the unit that you will use  
during normal operation.  
Printer Serial Number  
The serial number of your machine is on a label on the back  
of your machine.  
For accessories (consumables, options, replacement parts, and  
documentation), refer to “Accessories.”  
The label says “S/N.”  
An example serial number is: 401A0154693.  
You will need your printer serial number if your  
!
machine requires servicing.  
A written receipt for the product, showing the date of  
purchase, dealer’s name, and both the model and serial  
numbers of the product must accompany any request or  
claim for work to be performed under Limited  
Warranty.  
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Parts Identification: Rear Feed  
(Continuous Forms)  
1
8
2
7
1 Paper Guides  
2 Paper Separator  
3 Paper Lever  
3
SE  
L
4 On-Off Switch  
5 Platen Knob  
6 Control Panel  
7 Acoustic Cover  
8 Access Cover  
SE  
L
MENU  
L
F
e
SHI  
FT  
F
F
/
L
O
AD  
E
XIT  
R
Mi  
c
ro  
F
e
d
Down  
POWE  
Mic  
ro  
F
e
e
d
T
EAR  
U
p
PRINT  
Q
UALIT  
Y
G
RO  
U
P
ALAR  
M
P
ARK  
IT  
EM  
Q
UIE  
T
HSD  
NL  
PIT  
SE  
T
UT  
L
TO  
F
MENU  
Q
PRINT  
SSD  
C
HARAC  
T
E
R
C
H
10  
17  
12  
20  
15  
PR  
O
P
4
6
5
Move the paper lever to the position marked “REAR.”  
!
For rear feed, the paper lever is towards the front of the  
printer.  
32T-01c.eps  
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Parts Identification: Top Feed  
(Single-Sheet)  
1
1 Paper Guides  
2 Paper Separator  
3 Paper Lever  
8
7
2
4 On-Off Switch  
5 Platen Knob  
SEL  
SE  
L
6 Control Panel  
7 Acoustic Cover (open)  
8 Access Cover  
MENU  
L
F
e
SHI  
F
T
F
F
/
LO  
AD  
E
XIT  
R
Mic  
ro  
F
e
d
Down  
POWE  
Mic  
ro  
F
e
e
d
T
E
AR  
U
p
PRINT  
Q
UALIT  
Y
G
RO  
UP  
ALARM  
P
AR  
K
3
ITE  
M
Q
UIE  
T
HSD  
NL  
PIT  
SET  
UT  
L
TO  
F
MENU  
Q
PRINT  
SSD  
C
HARAC  
T
E
R
C
H
10  
17  
12  
20  
15  
PRO  
P
6
4
Move the paper lever to the position marked “TOP.”  
5
!
The paper lever is towards the back of the printer.  
32T-15.eps  
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Front Panel Lights  
3
2
390 panel.eps  
1
PRINT QUALITY  
COURIER  
PRESTIGE  
GOTHIC  
ORATOR  
LQ  
SEL  
SEL  
ROMAN  
SWISS  
UTILITY  
LF  
FF/LOAD  
TEAR  
SET  
PARK  
QUIET  
Micro Feed  
Down  
Micro Feed  
Up  
MENU  
SHIFT  
TOF  
CHARACTER PITCH  
10  
12  
20  
15  
EXIT  
GROUP  
ITEM  
PRINT  
17  
PROP  
POWER ALARM  
MENU  
RESET  
4
5
6
1 SEL: Glows = printer selected, ready to receive data  
Flashes = printer in Print Suppress Mode  
4 POWER: Glows = printer is turned on.  
5 ALARM: Glows = error condition exists:  
Not lit = printer deselected (cannot receive data)  
2 QUIET: Glows = printer is in Quiet mode.  
• out of paper (no other lights blinking)  
• paper jam if 15 cpi light is also blinking  
• paper lever is set to wrong position if 10 cpi light is also  
blinking.  
• Blinks = error condition. Turn printer off, then on; if  
light still flashes, contact service dealer.  
6 10 / 12 / 15 / 17 / 20 / PROP:  
3 Print Quality: Indicates selected print quality and  
typeface.  
Indicate selected character pitch.  
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Front Panel Keys  
390 panel.eps  
1
2
3
4
5
6
7
8
PRINT QUALITY  
COURIER  
PRESTIGE  
GOTHIC  
ORATOR  
LQ  
SEL  
SEL  
ROMAN  
SWISS  
UTILITY  
LF  
FF/LOAD  
TEAR  
SET  
PARK  
QUIET  
Micro Feed  
Down  
Micro Feed  
Up  
MENU  
SHIFT  
TOF  
CHARACTER PITCH  
10  
12  
20  
15  
EXIT  
GROUP  
ITEM  
PRINT  
17  
PROP  
POWER ALARM  
MENU  
RESET  
9
1 SEL: Selects/deselects printer (printer on-line / off-line).  
When held on power up, or with SHIFT key, engages  
Menu Mode.  
5 TEAR: Moves continuous-form paper up for tear-off or  
back down for printing.  
6 PARK: Retracts continuous-form paper from the path.  
2 SHIFT: Press and hold while pressing another key to  
engage the alternate function for that key (e.g., “Micro  
Feed Down” for LF key).  
7 QUIET: Turns Quiet Mode on and off. When held on  
power up, activates Rolling ASCII Test.  
8 PRINT QUALITY: Selects print quality and typeface.  
3 LF: Moves paper up one line: press and hold for  
repetitive line feeds. When held on power up, activates  
Font Test.  
9 CHARACTER PITCH: Selects the character pitch. Used  
with SHIFT key to reset the printer and clear the buffer.  
4 FF/LOAD: Loads/ejects single sheet of paper; loads  
continuous-form paper or feeds it to next page.  
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Installation  
Installation Hints  
Your printer has a grounded, 3-prong plug as a safety  
feature. It will only fit into a grounded outlet. If you can  
not plug it in, chances are that you have an older, non-  
grounded outlet. Contact an electrician to have it  
replaced with a grounded outlet. Do not use an adapter to  
defeat the grounding.  
• Avoid damaging the power cord. Do not put anything on  
it or place it where it will be walked on. If the cord  
becomes damaged or frayed, replace it immediately.  
• Read the setup and operating instructions in this  
document carefully. Be sure to save this document for  
future reference.  
• Read and follow all warning and instruction labels on the  
printer itself.  
• Place your printer on a firm, solid surface. If you put in on  
something unsteady, it might fall and be damaged. If you  
place it on a soft surface (such as a rug, sofa, or bed) the  
vents may be blocked, causing it to overheat.  
• The printer must be installed near a power outlet which  
will remain easily accessible.  
• Be certain that your power source matches the rating listed  
on the back of the printer. If you are not sure, check with  
your dealer or with your local power company.  
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Installation Overview  
• If you’re using an extension cord or power strip with the  
printer, make sure that the total of the amperes required by  
all the equipment on the extension is less than the  
extension’s rating. Generally, the total ratings of all  
equipment plugged into any one power line should not  
exceed 15 amperes. Don’t exceed this unless you know  
that the power line your equipment is plugged into has a  
rating above 15 amperes.  
• Protect your printer from overheating. Make sure the  
openings on the printer are not blocked. Do not put the  
printer on or near a heat source, such as a radiator or heat  
register. If you put the printer in any kind of enclosure,  
make sure it is well ventilated.  
To install your new printer, follow the instructions in this  
section. You must complete these steps for your printer to  
operate properly.  
If you have purchased an accesssory (option) for your printer,  
refer to the documentation you received with that accessory  
for installation instructions.  
Installation Location  
• Place your printer on a firm, solid surface.  
• Allow enough space on each side of the machine to easily  
access the platen knob and the various paper feed paths.  
• Make sure a power outlet is available nearby.  
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Customizing the Installation  
Your printer has many settings (defaults) that do not need to  
be adjusted as part of a standard installation.  
However, you may need to adjust settings to fit your  
standards.  
Some settings you may need to adjust as part of your  
installation are:  
• Top of Form (TOF)  
• Paper Path  
• Printhead Gap  
To adjust these settings, refer to the appropriate section in  
“UsingYour Printer.”  
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Top of Form (TOF)  
If you turn the platen knob when the printer is turned  
The Top of Form and Forms Tear-Off settings of your printer  
interact.  
!
!
!
on, you will cause the Top of Form to mis-align. Always  
turn the printer off before turning the platen knob!  
The factory default setting for the Top of Form (where  
the printing should begin) is one inch down from the top  
of the page.  
Your software may print the first line of print above or  
below where TOF is set. You may need to adjust the  
TOF to meet your software’s needs. Use the procedures  
in “UsingYour Printer, Top of Form, Forms Tear-Off  
Status (ON or OFF).”  
How you set the Top of Form depends on the status of the  
Forms Tear-Off menu setting.  
If Forms Tear-Off is activated (set to ON), set the Top of Form  
using “UsingYour Printer, Setting Top of Form, Forms Tear-  
Off ON (StepA).”  
If Forms Tear-Off is NOT activated (set to OFF), set the Top of  
Form using the “Using Your Printer, Setting Top of Form,  
Forms Tear-Off OFF (Step B).”  
The first line prints at the red line of the plastic paper  
!
shield (1) on the printhead.  
32t-18.eps  
1
M
P
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Unpacking the Machine  
Before you begin, be sure that all the items listed below are  
included in your package.  
If any items are missing, contact your dealer  
!
immediately. Keep you packing materials and carton in  
case you ever need to ship or transport the unit.  
1
1 Printer  
2 Ribbon Cartridge  
3 Power Cord  
SE  
L
SE  
L
MENU  
L
F
e
SHI  
FT  
F
F
/
L
O
AD  
E
XIT  
R
Mi  
D
c
o
ro  
F
e
d
wn  
3
POWE  
T
EAR  
Mic  
ro  
F
e
e
d
U
p
PRINT  
Q
U
ALIT  
Y
G
RO  
U
P
ALAR  
M
P
AR  
K
IT  
EM  
Q
U
IET  
HSD  
NL  
PIT  
SE  
T
32t-14.eps  
U
T
L
MENU  
T
O
F
Q
PRINT  
SSD  
C
HARAC  
T
E
R
C
H
10  
17  
12  
20  
15  
PRO  
P
2
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Shipping Restraints  
3
Grasp the tabs and lift off the paper separator (1).  
Remove the shipping restraint (2).  
1
Open the access cover (1). Remove the printhead  
shipping restraint (2) and tape.  
Turbo-1.eps  
Turbo-15.eps and Turbo-16.eps  
2
1
2
1
2
4
Install the paper separator.  
Turbo-17.eps  
2
Remove the shipping restraint (1) behind the pull-up  
roller assembly.  
1
32t-16.eps  
L
F
F
F
/
L
O
AD  
c
ro  
F
e
e
d
o
wn  
Mic  
ro  
F
e
e
d
T
E
AR  
U
p
PRINT  
Q
U
ALIT  
Y
PAR  
K
UP  
I
T
E
M
Q
U
IET  
HSD  
NL  
PIT  
SET  
U
T
L
MENU  
T
O
F
Q
PRINT  
C
HARAC  
T
E
R
C
H
SSD  
10  
17  
12  
20  
15  
PRO  
P
Keep your packing materials and carton in case you  
ever need to ship or transport the unit.  
!
User’s Guide: English  
25  
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Ribbon Cartridge  
Important: Make sure you have the correct replacement  
ribbon for the ML390/391 Turbo Printers  
(P/N52104001).  
1
2
Make sure the printer is turned OFF.  
!
Center the printhead (1).  
32T-18.eps  
1
The wrong ribbonWILL NOT print when installed on  
the ML390/391 Turbo Printers.  
M
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Microline 390/ 391 Turbo/ n  
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3
If you are replacing the ribbon: swing the front of the  
cartridge up off the printhead, then lift the cartridge out  
and discard it.  
5
6
Install the new ribbon cartridge.  
32T-19dn.eps  
Caution! The printhead may be HOT!  
32T-19_up.eps  
!
Turn the take-up knob in the direction of the arrow to  
take up any ribbon slack.  
32t-39.eps  
4
Unpack the ribbon cartridge.  
Important! DO NOT remove the ribbon shield from the  
ribbon!  
!
1
2
3
Ribbon Shield  
Grip Points  
Take-up Knob  
2
32t-20.eps  
3
1
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Ribbon Cartridge Handling  
Ribbon Cartridge Emergency First Aid  
• Leave unused ribbon cartridges in their packages until  
needed.  
• When replacing a ribbon cartridge, re-use the packaging  
to dispose of the old ribbon cartridge.  
Contact occurs with eyes.  
Flush eyes with large quantities of water for 15 minutes,  
keeping eyelids open with fingers. Seek medical attention.  
Contact occurs with skin  
Wash thoroughly with soap and water.  
For more information  
• Be careful when removing the ribbon cartridge. Do not let  
it touch your clothing or porous materials. The ribbon ink  
may cause permanent stains.  
• Ribbon ink on skin or clothing can usually be removed  
with soap and water.  
Refer to the Material Safety Data Sheet in “Warranty,  
Regulatory, and Safety Information.”  
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Accessories  
Power Connections  
If you have purchased an accesssory (option) for your printer,  
refer to the documentation you received with that accessory  
for installation instructions.  
1
2
Make sure both the printer and the computer are OFF.  
Plug the power cord into the back of the printer (1), then  
into a grounded outlet (2).  
59#11.eps and Plugin.eps  
2
1
3
Turn on the printer.  
32T-01A.eps  
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Paper Loading  
Rear Feed, Continuous Forms  
1
2
Move the paper lever (1) to the position marked “REAR.”  
Use the rear-feed path for printing on single-thickness,  
continuous-form paper.  
32T-11.eps  
1
Use the single-sheet path (top feed) for graphics or charts.  
If you have paper in the paper path, be sure to remove it  
!
before installing rear-feed paper.  
Grasp the tabs and lift off the paper separator.  
1
2
3
4
Lock Lever  
Upper Tractor Cover  
Pins  
32T-23A.eps  
Lower Tractor Cover  
32T-26.eps  
1
2
4
3
30  
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3
Pull up on the lock levers and open the tractor covers.  
5
Move the left tractor to align the edge of the paper with  
the appropriate reference mark (1). Then, push back the  
Then, move the right tractor to fit the width of the paper.  
32T-27.eps  
lock lever.  
32T-29A.eps  
1
4
Place the first two holes in the paper over the tractor pins  
on either side. Close the tractor covers.  
32T-29.eps  
6
Adjust the position of the right tractor to center the holes  
in the paper on the pins. Then, push back the right lock  
lever. Do not stretch the paper.  
32T-29.eps  
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Top Feed (Single Sheets)  
7
Install the paper separator. Place the wire guide (1) on the  
pull-up roller assembly (2).  
32T-31.eps  
Use the single-sheet path for letterhead stationery, memos,  
and individual envelopes.  
If you have continuous-form paper in the path, press  
!
PARK to remove it before loading single sheets.  
1
2
Make sure the printer is on and deselected (SEL light off).  
Place the paper lever in the position marked “TOP.”  
32T-12.eps  
1
2
8
Press FF/LOAD. The paper feeds into the printer.  
The factory default setting for the Top of Form (where  
the printing should begin) is one inch down from the top  
of the page. To change the setting, see “Using Your  
Printer, Top of Form (TOF).”  
3
Open the carriage cover. Raise the paper separator to the  
!
single-sheet position.  
32T-32.eps  
SE  
L
SE  
L
M
E
N
U
L
F
S
H
IF  
T
E
X
IT  
M
Do  
F
F
/
icr  
L
O
o
wn  
F
A
ee  
d
D
PO  
TE  
Mi  
W
cro  
Up  
A
R
E
R
F
e
ed  
PR  
IN  
T
A
GR  
PA  
RK  
L
A
O
R
M
UP  
Q
U
A
L
D
I
TY  
IT  
Q
E
M
U
IE  
T
H
S
S
E
T
U
M
T
O
N
L
TL  
E
N
P
R
I
F
U
Q
N
T
C
H
SSD  
A
RA  
C
TE  
R
PI  
TC  
H
10  
12  
20  
17  
15  
PR  
O
P
32  
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4
Make sure the wire feed guide (1) is secured in the sheet  
Important!  
guide.  
!
!
If the paper does not feed in, remove it. Check the paper  
lever position. Make sure the ALARM light is on: if it is  
flashing, hold the SHIFT key and press the  
CHARACTER PITCH (RESET) key. Reload the sheet  
of paper.  
32T-33.eps  
1
The factory default setting for the Top of Form (where  
the printing should begin) is one inch down from the top  
of the page. To change the setting, see “Using Your  
Printer, Top of Form (TOF).”  
S
E
L
S
E
L
M
E
N
U
L
F
S
H
IF  
T
E
X
IT  
R
M
Do  
F
F
/
icr  
L
O
o
wn  
F
A
D
eed  
POWE  
M
TE  
icr  
A
R
o
F
eed  
GRO  
UP  
Up  
PR  
IN  
A
LA  
RM  
PA  
R
T
K
Q
U
A
L
D
I
TY  
IT  
EM  
Q
U
IE  
H
T
S
SE  
T
U
TL  
MENU  
T
O
N
F
L
PRINT  
Q
C
S
S
D
H
A
R
A
C
TE  
R
1
PI  
0
TC  
H
1
2
1
7
1
5
2
0
PR  
O
P
5
Adjust the paper feed guides (1) for the width of the  
paper. Place a sheet of paper in the separator. The paper  
will feed into the printer.  
32T-15.eps  
1
SEL  
SEL  
MENU  
L
F
e
S
H
I
F
T
E
X
I
T
Mi  
D
c
o
r
o
F
F
F
/
L
O
AD  
e
d
wn  
PO  
W
E
R
T
E
AR  
Mi  
c
r
o
F
e
e
d
PRINT  
Q
U
ALIT  
Y
ALARM  
G
RO  
UP  
U
p
PAR  
K
I
T
E
M
Q
U
IET  
HSD  
NL  
PIT  
SET  
U
T
L
MENU  
T
O
F
Q
PRINT  
C
HARAC  
T
E
R
C
H
SSD  
1
0
1
2
1
7
1
5
2
0
PRO  
P
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Testing the Printer  
Wide Carriage Model  
Microline 391 Turbo/n  
Running the printer self tests is a good way to check the  
installation of your printer.  
!
The two self tests are:  
If you are using 8.5 inch paper to run the test, make sure  
the paper width selection in the printer menu is set to  
8.5 inches. Otherwise, printing on the platen may  
damage the printer. Refer to “UsingYour Printer, Menu  
Mode, Explanations of Menu Items.”  
• Font Sample Test  
• Rolling ASCII Test  
34  
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Font Sample Test  
The Font Sample Test automatically stops after all the  
available fonts print.  
To run the test:  
Turn the printer off, then press and hold the LF key  
!
!
while turning the printer back on.  
LF.eps  
Wide Carriage Model  
Microline 391 Turbo/n  
LF  
If you are using 8.5 inch paper to run the test, make sure  
the paper width selection in the printer menu is set to  
8.5 inches. Otherwise, printing on the platen may  
damage the printer. Refer to “Using Yo  
Micro Feed  
Down  
GROUP  
To exit the test:  
Press SEL.  
The Font Sample Test prints a sample of the fonts standard to  
the printer.  
SEL.eps  
The top of the printout has the Printer Model, Emulation,  
Country Code, Interface, and Firmware Revision Level for  
your printer.  
SEL  
SEL  
MENU  
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Rolling ASCII Test  
Wide Carriage Model  
To run the test:  
Turn the printer off, then press and hold the QUIET key  
!
Microline 391 Turbo/n  
while turning the printer back on.  
If you are using 8.5 inch paper to run the test, make sure  
the paper width selection in the printer menu is set to  
8.5 inches. Otherwise, printing on the platen may  
damage the printer. Refer to “UsingYour Printer, Menu  
Mode, Explanations of Menu Items.”  
QUIET.eps  
QUIET  
TOF  
The Rolling ASCII Test DOES NOT automatically stop.  
!
You must manually stop it.  
To exit the test:  
Press SEL.  
The Rolling ASCII Print Test produces a continuous printout  
of all 96 ASCII characters in a rolling pattern. The type style  
set in the printer menu will be utilized.  
SEL.eps  
SEL  
Use the Rolling ASCII Test to check the following.  
SEL  
Print Quality  
MENU  
Across the entire length of a line  
Down the entire page  
Line Spacing  
Character Formation  
The top of the printout has the Printer Model, Emulation,  
Country Code, and Firmware Revision Level.  
36  
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Installing Printer Software  
Local Printer Installation  
Windows 95, 98, Me, NT4.0  
You MUST install your printer as a Local Printer before  
!
!
you perform any network installation.  
1
2
With the OKI ML 390/391 Turbo/n CD in your CD-ROM  
drive, click StartRun.  
During this part of your printer installation, you DO  
NOT connect a cable between your printer and your  
computer.  
Browse to your CD-ROM drive, then double-click  
install.exe.  
You are making an installation to a logical port, which  
is done through software, not physical connections.  
3
Select the ML 390/1Tn printer model.  
4
On the OKI Menu Installer main menu, click Printer  
Software.  
If you want to use the parallel port, you MUST remove  
the Network Card from the printer. See the OkiLAN  
6120e User’s Guide for details.  
5
6
7
8
Make sure the ML390/1Tn Driver is selected.  
Select Local Printer. Click Next.  
Select LPT1. Click Next.  
Click Finish.  
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Installing Printer Software  
7
8
9
Click Have disk.  
Windows 2000  
Click Browse.  
1
2
With the OKI ML 390/391 Turbo/n CD in your CD-ROM  
drive, click StartRun.  
Browse to your CD-ROM drive, then double-click  
install.exe. Click OK.  
Locate CD-ROM in the pull-down menu.  
10 Open the Drivers\390391\Win2k\ folder.  
11 Select OEMPRINT.INF. Click Open.  
12 Click OK.  
3
4
Select the 390/1Tn printer. Click Continue.  
On the OKI Menu Installer main menu, click Printer  
13 OKI ML390/1 Turbo displays in the Printers window.  
Click Nextdo not select Have disk.  
14 Rename the printer if you wish. Click Next.  
15 Select Do not share this printer. Click Next.  
16 Do not print a test page. Click Next.  
17 Click Finish.  
Software. This launches the Add Printer Wizard.  
5
6
Select Local. Clear Automatically detect and install my  
Plug and Play printer. Click Next.  
Click Next to accept LPT1 as the port selection.  
18 If the Digital Signature Not Found window appears, click  
Yes.  
19 Click Next.  
38  
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Network Printer Installation  
You MUST install your printer as a Local Printer before  
you perform any network installation.  
Connecting the Network Cable  
!
!
1
Plug the power adapter wire into the power jack on the  
OkiLAN 6120e. Then plug the power adapter into a 120  
VAC wall outlet.  
If you want to use the parallel port, you MUST remove  
the Network Card from the printer. See the OkiLAN  
6120e User’s Guide for details.  
Some countries may require a different adapter for  
!
local voltages, such as 240 VAC.  
6120e_5.jpg  
For detailed information on installing network software and  
setting up your printer on a network, refer to the on-line  
OkiLAN 6120e User’s Guide.  
From the OKI Menu Installer, click Network andAdmin  
SoftwareNetwork Documentation.  
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2
Attach the 10/100 Base-T UTP cable to the receptacle on  
the back of the OkiLAN 6120e. Attach the other end of  
the cable to the Network.  
6120e_6.jpg  
3
Plug the printer power cord into the power outlet.  
6120e_7.jpg  
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Connecting to the Parallel Port  
Emulations  
If you want to use the parallel port, you MUST remove  
The factory default emulation for your printer is Epson® LQ.  
!
!
the Network Card from the printer. See the OkiLAN  
6120e User’s Guide for details.  
If you need to change the emulation, refer to “Using Your  
Printer, Emulations.”  
FCC regulations require the use of a shielded cable no  
longer than 6 ft. (1.8 m).  
An IEE 1284-compatible parallel cable is needed for  
bi-directional communications.  
Printer Drivers  
1
Plug the interface cable into the parallel port (1) and  
secure it with the wire loops.  
Before you can use your printer, you must select the correct  
printer driver in your software. If you select the wrong driver,  
you will see strange characters, incorrect fonts, etc.  
32T-22.eps  
See your software documentation for information on  
!
how to select a printer driver.  
For more information on printer drivers, refer to “UsingYour  
Printer, Printer Drivers.”  
2
Attach the other end of the cable to your computer.  
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Registering Your Printer  
Product Registration  
You can register your printer by:  
my.okidata.com  
• visiting our website at http://www.okidata.com.  
Click on Product Registration.  
Your Personal Solutions Center  
Register your printer and create your own personalized  
• filling out the hardcopy registration form and  
support center with my.okidata.com.  
mailing it in  
or  
faxing it in.  
my.okidata.com is a powerful area of our web site designed to  
help you get the most from your OKI printer. It represents our  
commitment to providing you with solutions, finding out the  
latest updates about your OKI products, and getting the  
details on OKI programs and services that can help your  
bottom line.  
Service and Support  
If you need further assistance or have questions, please refer  
to “Service and Support.”  
You can also  
• Choose to receive product updates via e-mail.  
• Have private access to our solutions section.  
• Check out the What’s New section to see what’s changed  
since your last visit.  
• Get your own Solutions Specialist that you can contact  
directly via e-mail when you need assistance.  
my.okidata.com offers you support, solutions and more, all  
personalized for you and your specific OKI printer.  
Start using my.okidata.com today!  
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Using Your Printer  
Top of Form (TOF)  
Top of Form sets the print start position for the printer. It is  
adjustable in increments of 1/144 of an inch. The amount of  
adjustment is limited to avoid paper jams.  
If you turn the platen knob when the printer is turned  
on, you will cause the Top of Form to mis-align. Always  
turn the printer off before turning the platen knob!  
!
!
!
The first line prints at the red line of the plastic paper shield  
(1) on the printhead.  
The factory default setting for the Top of Form (where  
the printing should begin) is one inch down from the top  
of the page.  
32T-18.eps  
1
Your software may print the first line of print above or  
below where TOF is set. You may need to adjust the  
TOF to meet your software’s needs. Use the procedures  
in “UsingYour Printer, Top of Form, Forms Tear-Off  
Status (ON or OFF).”  
M
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Top of Form (TOF) and Forms Tear-Off  
Forms Tear-Off Status (ON or OFF)  
If you turn the platen knob when the printer is turned  
on, you will cause the Top of Form to mis-align. Always  
turn the printer off before turning the platen knob!  
Before you set the Top of Form, you need to know the status  
of the Forms Tear-Off menu setting (whether it is ON or OFF).  
!
!
There are two ways to determine the status of the Forms Tear-  
Off menu setting:  
Your software may print the first line of print above or  
below where TOF is set. You may need to adjust the  
TOF to meet your software’s needs. Use the procedures  
in “UsingYour Printer, Top of Form, Forms Tear-Off  
Status (ON or OFF).”  
print the Menu.  
use the TEAR key.  
To print the Menu, refer to “UsingYour Printer, Menu Mode,  
Print the Menu Settings.”  
The Top of Form and Forms Tear-Off settings of your printer  
interact.  
To use the TEAR key:  
1 Load paper.  
How you set the Top of Form depends on the status of the  
Forms Tear-Off menu setting.  
2 Press TEAR.  
3 If the paper moves up, then Forms Tear-off is OFF.  
If the paper moves down, then Forms Tear-off is ON.  
If Forms Tear-Off is activated (set to ON), set the Top of Form  
using Step A.  
Refer to “UsingYour Printer, Setting Top of Form, Forms  
Tear-Off ON (StepA).”  
If Forms Tear-Off is NOT activated (set to OFF), set the Top of  
Form using Step B.  
Refer to “UsingYour Printer, Setting Top of Form, Forms  
Tear-Off OFF (Step B).”  
44  
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Setting Top of Form, Forms Tear-Off ON  
(Step A)  
If you turn the platen knob when the printer is turned  
on, you will cause the Top of Form to mis-align. Always  
turn the printer off before turning the platen knob!  
1 Turn the printer ON.  
!
!
2 Park the paper.  
3 With paper out of the unit, (red alarm light should be on)  
press SHIFT (1) and QUIET/TOF (5) to reset the current  
Top of Form.  
Always determine the status of the Forms Tear-Off menu  
setting BEFORE setting the Top of Form. Refer to  
“UsingYour Printer, Top of Form, Forms Tear-Off  
Status (ON or OFF).”  
4 Press FF/LOAD (3) to load the paper.  
5 Press SEL/MENU (6) to take the printer off line.  
The SEL light goes out.  
6 Wait until the paper moves up to the tear position, then  
press and hold TEAR (4).  
The paper moves to the current Top of Form.  
Keep pressing and holding TEAR.  
7 Press and hold SHIFT and release TEAR.  
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8 As you continue to hold SHIFT, press the LF / Micro Feed  
Down (2), or FF/LOAD / Micro Feed Up (3), depending on  
which direction you want to move the paper to align Top  
of Form.  
The first line prints at the red line of the plastic paper  
shield (7) on the printhead.  
!
32T-18.eps  
7
Press LF / Micro Feed Down to decrease the space (move  
Top of Form higher). The paper moves down.  
M
Press FF/LOAD / Micro Feed Up to increase the space  
(move Top of Form lower). The paper moves up.  
32T-FP.eps  
9 Keep holding SHIFT and press QUIET/TOF a few times to  
4
5
1
3
2
set the Top of Form.  
10 When the Top of Form is at the correct position, release all  
SEL  
keys.  
FF/LOAD  
TEAR  
SET  
PARK  
QUIET  
TOF  
LF  
SEL  
Micro Feed  
Down  
6
Micro Feed  
Up  
SHIFT  
MENU  
11 Press SEL/MENU to place the printer on-line.  
PRINT  
ITEM  
EXIT  
GROUP  
POWER  
ALARM  
MENU  
46  
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Setting Top of Form, Forms Tear-Off OFF  
(Step B)  
If you turn the platen knob when the printer is turned  
on, you will cause the Top of Form to mis-align. Always  
turn the printer off before turning the platen knob!  
1 Turn the printer ON.  
!
!
2 Press SEL/MENU (6) to take the printer off line. The SEL  
light goes out.  
Always determine the status of the Forms Tear-Off menu  
setting BEFORE setting the Top of Form. Refer to  
“UsingYour Printer, Top of Form, Forms Tear-Off  
Status (ON or OFF).”  
3 Press and hold SHIFT (1).  
Then, press LF / Micro Feed Down (2) or FF/LOAD /  
Micro Feed Up (3), depending on which direction you  
want to move the paper to align the tear-off position.  
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Press LF / Micro Feed Down to decrease the space (move  
Top of Form higher). The paper moves down.  
The first line prints at the red line of the plastic paper  
shield (7) on the printhead.  
!
Press FF/LOAD / Micro Feed Up to increase the space  
(move Top of Form lower). The paper moves up.  
32T-FP.eps  
32T-18.eps  
7
4
5
M
1
3
2
SEL  
FF/LOAD  
TEAR  
SET  
PARK  
QUIET  
TOF  
LF  
SEL  
6
Micro Feed  
Down  
Micro Feed  
Up  
SHIFT  
MENU  
4 Keep holding SHIFT and press QUIET/TOF a few times to  
PRINT  
ITEM  
EXIT  
GROUP  
set the Top of Form.  
POWER  
ALARM  
MENU  
5 When Top of Form is at the correct position, release all  
keys.  
6 Press SEL/MENU to place the printer on line.  
If you turn the platen knob when the printer is turned  
!
!
on, you will cause the Top of Form to mis-align. Always  
turn the printer off before turning the platen knob!  
For information on resetting the Top of Form to the  
factory default, refer to “Using Your Printer, Top of  
Form, Reset Top of Form to Factory Default.”  
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Temporary Top of Form Change  
If you turn the platen knob when the printer is turned  
To change the Top of Form (move it lower) for one page  
!
!
on, you will cause the Top of Form to mis-align.  
Always turn the printer off before turning the platen  
knob!  
only:  
1 Press SEL to deselect the printer.  
2 Press LF to change the position of the Top of Form.  
The factory default setting for the Top of Form (where  
the printing should begin) is one inch down from the  
top of the page.  
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Reset Top of Form to Factory Default  
If you turn the platen knob when the printer is turned  
on, you will cause the Top of Form to mis-align. Always  
turn the printer off before turning the platen knob!  
There are two ways to reset the Top of Form to the factory  
default:  
!
!
with the printer ON.  
with the printer OFF.  
The factory default setting for the Top of Form (where  
the printing should begin) is one inch down from the top  
of the page.  
Printer ON  
1 With the printer ON, and paper parked (out of the printer)  
Press QUIET / TOF.  
Printer OFF  
1 With the printer OFF, and no paper installed,  
Press and hold PARK + QUIET/TOF while turning on the  
printer.  
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Forms Tear-Off  
When printing stops, the paper advances to the tear-off  
position.  
The status of the Forms Tear-Off menu setting affects  
how you set the Top of Form.  
!
The default setting for Forms Tear-Off is OFF.  
There are two types of Forms Tear-Off:  
To determine the status of the Forms Tear-Off menu  
setting, refer to “UsingYour Printer, Top of Form,  
Forms Tear-Off Status (ON or OFF).”  
Automatic Forms Tear-Off  
Manual Forms Tear-Off  
For information on setting the Top of Form, refer to  
“Using Your Printer, Top of Form, Setting Top of Form,  
Forms Tear-Off (ON or OFF).”  
If the software package you are using “pauses” while  
sending data to the printer, Forms Tear-Off may be  
activated (if it is enabled through the Menu). The pause  
must be for two or more seconds. No data is lost. Uneven  
print registration will occur due to the paper movement.  
If the problem occurs, use the menu to turn off this  
feature.  
!
The Forms Tear-Off feature allows a printed page (continuous  
forms, rear or bottom feed, with no pull tractor option  
installed) to be torn off without wasting paper or adjusting  
the printer.  
Forms Tear Off automatically moves the paper from the initial  
printing position to the tear-off position, after a time interval  
(which you select through the menu).  
DO NOT use Forms Tear-Off with labels or multi-part  
forms!  
!
!
Forms Tear-Off CANNOT be used when the optional  
pull tractor is engaged.  
The top of the page (perforation) is even with the tear bar.  
The tear bar is located under the clear top of the access cover.  
Paper remains in the tear-off position until the printer  
receives more data. Then, the paper moves back down for  
printing (retracts to the initial print position).  
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Changing the Forms Tear-Off Setting  
The default setting for Forms Tear-Off is OFF.  
The status of the Forms Tear-Off menu setting affects  
how you set the Top of Form.  
32T-FP.eps  
3
!
!
4
1
2
5
If the software package you are using “pauses” while  
sending data to the printer, Forms Tear-Off may be  
activated (if it is enabled through the Menu). The pause  
must be for two seconds or more. No data is lost. Uneven  
print registration will occur due to the paper movement.  
If the problem occurs, use the menu to turn off Forms  
Tear-Off.  
SEL  
FF/LOAD  
TEAR  
SET  
PARK  
QUIET  
TOF  
LF  
SEL  
Micro Feed  
Down  
Micro Feed  
Up  
SHIFT  
MENU  
PRINT  
ITEM  
EXIT  
GROUP  
POWER  
ALARM  
MENU  
To change the Forms Tear-Off setting:  
1 Press SHIFT (2) + SEL (1).  
DO NOT use Forms Tear-Off with labels or multi-part  
forms!  
2 Press GROUP (3) until one of the following lines appears,  
!
!
depending on which paper feed you are using  
Forms Tear-Off CANNOT be used when the optional  
pull tractor is engaged.  
REAR FEED  
Form Tear-Off  
Form Tear-Off  
OFF  
OFF  
BOTTOM FEED  
3 Press ITEM (4) until Form Tear-Off appears in the second  
column.  
4 Press SET (5) until the time interval you wish to select  
appears in the third column.  
5 Press SHIFT (2) + SEL (1) to exit Menu Mode and save the  
setting.  
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Automatic Forms Tear-Off  
Forms Tear-Off must be set to ON in the menu for Automatic  
Forms Tear-Off to occur.  
The status of the Forms Tear-Off menu setting affects  
how you set the Top of Form.  
!
!
Automatic Forms Tear-Off automatically moves the paper  
from the initial printing position (print start position) to the  
tear-off position, after a time interval which you select  
through the menu.  
To determine the status of the Forms Tear-Off menu  
setting, refer to “UsingYour Printer, Top of Form,  
Forms Tear-Off Status (ON or OFF).”  
For information on setting the Top of Form, refer to  
“Using Your Printer, Top of Form, Setting Top of Form,  
Forms Tear-Off (ON or OFF).”  
The top of the page (perforation) is even with the tear bar.  
The tear bar is located under the clear top of the access cover.  
Paper remains in the tear-off position until the printer  
receives more data. Then, the paper moves back down for  
printing (retracts to the initial print position).  
If the software package you are using “pauses” while  
sending data to the printer, Forms Tear Off may be  
activated (if it is enabled through the Menu). The pause  
must be for two or more seconds. No data is lost. Uneven  
print registration will occur due to the paper movement.  
If the problem occurs, use the menu to turn off this  
feature.  
When printing stops, the paper advances to the tear-off  
position.  
TEAR Key and Automatic Forms Tear-Off  
If you press TEAR (1) when Forms Tear-Off is turned on  
(activated in the printer menu), the printer retracts the paper  
DO NOT use Forms Tear Off with labels or multi-part  
forms!  
to the Top of Form position.  
1
!
!
32T-FP.eps  
Forms Tear-Off CANNOT be used when the optional  
pull tractor is engaged.  
SEL  
FF/LOAD  
TEAR  
SET  
PARK  
QUIET  
TOF  
LF  
SEL  
Micro Feed  
Down  
Micro Feed  
Up  
SHIFT  
MENU  
PRINT  
ITEM  
EXIT  
GROUP  
POWER  
ALARM  
MENU  
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Manual Forms Tear-Off  
Manual Forms Tear-Off allows you to advance a single page  
to the tear-off position.  
1 Press TEAR (1) to advance continuous-form paper up to  
the tear position.  
32T-FP.eps  
Manual Forms Tear-Off works when Forms Tear-Off is turned  
off (deactivated in the printer menu).  
1
SEL  
When Forms Tear-Off is turned on (activated in the printer  
menu), and you attempt Manual Forms Tear-Off, the printer  
retracts the paper to the Top of Form position.  
FF/LOAD  
TEAR  
SET  
PARK  
QUIET  
TOF  
LF  
SEL  
Micro Feed  
Down  
Micro Feed  
Up  
SHIFT  
MENU  
PRINT  
ITEM  
EXIT  
GROUP  
POWER  
ALARM  
MENU  
DO NOT use Forms Tear-Off with labels or multi-part  
!
!
forms!  
Forms Tear-Off CANNOT be used when the optional  
pull tractor is engaged.  
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TEAR Key  
Forms Tear-Off set ON  
Forms Tear-Off set OFF  
If you press TEAR (1) when Forms Tear-Off is turned on  
(activated in the printer menu), the printer retracts the paper  
to the Top of Form position.  
If you press TEAR (1) when Forms Tear-Off is turned off  
(deactivated in the printer menu), the printer advances  
continuous-form paper up to the tear position.  
Forms Tear-Off CANNOT be used when the optional  
Manual Forms Tear-Off allows you to advance a single page  
to the tear-off position.  
!
pull tractor is engaged.  
32T-FP.eps  
1
Manual Forms Tear-Off works when Forms Tear-Off is turned  
off (deactivated in the printer menu).  
SEL  
FF/LOAD  
TEAR  
SET  
PARK  
QUIET  
TOF  
LF  
SEL  
Forms Tear-Off CANNOT be used when the optional  
Micro Feed  
Down  
Micro Feed  
Up  
SHIFT  
MENU  
!
pull tractor is engaged.  
PRINT  
ITEM  
EXIT  
GROUP  
1
32T-FP.eps  
POWER  
ALARM  
MENU  
SEL  
FF/LOAD  
TEAR  
SET  
PARK  
QUIET  
TOF  
LF  
SEL  
Micro Feed  
Down  
Micro Feed  
Up  
SHIFT  
MENU  
PRINT  
ITEM  
EXIT  
GROUP  
POWER  
ALARM  
MENU  
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Paper Park  
1
Never park labels!  
!
SEL  
FF/LOAD  
TEAR  
SET  
PARK  
QUIET  
TOF  
LF  
Paper park allows you to print a single sheet (cut-sheet) page  
without removing continuous feed paper from the printer.  
SEL  
Micro Feed  
Down  
Micro Feed  
Up  
SHIFT  
MENU  
PRINT  
ITEM  
EXIT  
GROUP  
Press PARK (1) to retract rear-feed paper from the paper path.  
POWER  
ALARM  
MENU  
32T-FP.eps  
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Changing Paper Paths  
Single-sheet feed to continuous forms  
Continuous-forms to single-sheet feed  
1 Press FF/LOAD to remove the single-sheet paper.  
1 Tear off any printed pages.  
2 Lower the paper separator into the continuous-forms  
position. Swing the wire feed guide over onto the pull-up  
roller.  
2 Press PARK.  
3 Raise the paper separator to the single-sheet feed position.  
4 Place the wire feed guide in the paper separator.  
5 Move the paper lever to the position marked “TOP.”  
The paper lever is towards the back of the printer.  
3 Move the paper lever to the appropriate position.  
For rear feed (1), the paper lever is towards the front of the  
printer.  
6 Place a sheet of paper in the paper separator.  
For bottom feed, (2), the paper lever is in the center  
position.  
32T-12.eps  
4 If necessary, load continuous-form paper.  
5 Press FF/LOAD.  
1
32T-11.eps and Turbo-1.eps  
2
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Printhead Gap  
Media  
Setting  
1
The printhead gap is the distance between the printhead and  
the platen.  
12-20 lb paper  
Make sure the printer is turned off before you open the  
access cover.  
20-24 lb bond paper  
Labels  
2
!
3 or 4  
4 or 5  
1 or 2  
2 or 3  
3 or 4  
To adjust the gap, open the access cover and move the blue  
lever (1) to the recommended setting from the table.  
32T-35.eps  
Envelopes  
2-part form (with carbon)  
3-part form (with carbon)  
4-part form (with carbon)  
5-part form (with carbon)  
6-part form (with carbon)  
4 or 5  
5
For dedicated, bottom-feed printing of extra-thick  
continuous forms (requires optional push and/or pull  
tractor), the printhead gap range can be expanded to  
take forms up to 0.031" (0.79 mm) thick. For more  
information, refer to “UsingYour Printer, Printhead  
Gap, Expanded Printhead Gap.”  
!
1
58  
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Expanded Printhead Gap  
Your printer can be used for dedicated bottom-feed printing  
on extra-thick multi-part forms. Extra-thick multi-part forms  
range from 0.017-inch (0.43 mm) to a maximum of 0.03 inch  
(0.79 mm). To print on extra-thick multi-part forms, you  
engage the expanded printhead gap feature. This expands the  
head gap settings for extra-thick forms and heavy card stock.  
It also increases the impact strength of the pins in the  
printhead.  
To engage the expanded printhead gap:  
1 Turn the printer off.  
2 Remove the access cover and the pull-up roller assembly.  
32T-02.eps and 32T-04UP.eps  
S
E
L
S
E
L
ME  
NU  
L
F
S
H
IF  
T
E
X
IT  
M
i
c
F
F
/
L
r
o
F
eed  
O
A
D
Dow  
PO  
n
M
T
E
W
i
cro  
A
R
E
R
F
e
e
d
P
R
A
L
GR  
O
Up  
P
A
I
N
A
R
U
R
K
T
Q
M
P
U
A
L
D
IT  
IT  
E
M
Q
U
Y
IE  
T
H
S
S
E
T
T
O
N
U
T
L
ME  
F
NU  
PR  
L
Q
CAUTION! Once the expanded printhead gap is  
INT  
CH  
S
S
D
A
R
A
C
T
E
1
R
P
IT  
C
H
0
1
1
7
2
1
2
0
P
5
R
O
P
!
engaged, you cannot print on single sheets without  
changing the gap back. If you try to print on single  
sheets without adjusting the printhead gap, you can  
damage the printhead and void your warranty.  
To disengage the expanded printhead gap, reverse the  
following steps.  
3 Move the printhead to the center of the platen.  
4 Remove the ribbon cartridge.  
32T-19_up.eps  
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5 Swing up the printhead clamp, then remove it by pushing  
forward (toward the platen) and to the left.  
32T-hg01.eps and 32T-hg02.eps  
7 Lift the printhead plate off the carriage assembly (1).  
32T-hg04.eps  
1
C
AU  
TIO  
NHO  
AT  
TE  
NT  
IO  
N CHAUD  
T
V
OR  
SIC  
HT  
HEISS  
5
5
0
9
1
0
8
6
C
AU  
TIO  
NH  
OT  
AT  
TE  
NT  
IO  
5
N CH  
AUD  
HEIS  
V
OR  
SIC  
HT  
S
5
0
9
1
0
8
6
6 Remove the printhead.  
8 Turn the printhead plate around and reinsert it on the other  
side of the carriage assembly (1).  
32T-hg05.eps  
32T-hg03.eps  
T
C
TTE  
A
N
S
U
TIO  
IC  
1
TIO  
NHOT  
A
N
V
O
0
R
9
H
T
5
5
0
8
6
1
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9 Replace the printhead, making sure that the circuit board  
10 Reinstall the printhead clamp and swing it back over to  
at the bottom of the printhead firmly engages the slot (1)  
lock the printhead in place.  
32T-hg07.eps  
in the carriage.  
32T-hg06.eps  
CAUTION  
H
A
OT  
T
TENTION  
VORSICHT  
CHAUD  
5
5
0
9
1
0
8
HE6ISS  
1
Important! The clamp must be between the black  
projection on the printhead and the metal plate on the  
carriage, on both sides.  
CAUTION! Be sure the printhead is fully inserted before  
proceeding.  
!
!
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11 Reinstall the ribbon cartridge.  
13 Change the printer's secondary menu (make sure paper is  
32T-19dn.eps  
loaded!) to engage the expanded printhead gap:  
a) Press SEL + TEAR while turning the printer back on.  
b) Press LF to advance through the menu to the Technical  
group (last option in menu).  
c) Press FF/LOAD to advance through the items to  
Expanded Gap.  
d) Press TEAR to change the setting for Expanded Gap to  
Valid.  
e) Press SHIFT + MENU to exit the menu and save your  
setting.  
12 Replace the pull-up roller assembly and the access cover,  
then turn the printer on.  
32T-04DN.eps and 32T-02.eps  
S
E
L
S
E
L
ME  
NU  
L
F
S
H
IF  
T
E
X
IT  
W
M
i
c
F
F
/
L
r
o
F
O
A
eed  
D
Dow  
PO  
n
M
T
E
i
cro  
A
R
E
R
F
e
e
d
Up  
PR  
I
N
A
L
GR  
O
P
A
A
R
U
R
K
T
Q
M
P
U
A
L
D
IT  
IT  
E
Q
Y
M
U
IE  
T
H
S
S
E
T
T
O
N
U
T
L
ME  
F
NU  
PR  
IN  
L
Q
T
CH  
S
S
D
A
R
A
C
T
E
1
R
P
IT  
C
H
0
1
7
1
2
1
5
2
0
PR  
O
P
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Print Quality  
Press PRINT QUALITY to select:  
Important!  
!
Front panel settings for print quality and character  
pitch are overridden by software commands.  
LQ: Letter Quality  
• Highest quality, slowest speed  
• Seven typefaces  
The lights will always reflect the printer's state.  
390 Panel.eps  
• Recommended for correspondence  
Utility  
PRINT QUALITY  
COURIER  
PRESTIGE  
GOTHIC  
ORATOR  
LQ  
ROMAN  
SWISS  
• Medium quality, medium speed  
• Gothic font only  
UTILITY  
• Recommended for internal documents and high-volume  
data.  
To engage high speed 390 cps printing, select Utility for  
!
the Print Quality and 15 cpi for the Character Pitch.  
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Typeface  
When Letter Quality is engaged, the front panel lights  
indicate which typeface is selected.  
Important!  
!
Front panel settings for print quality and character  
pitch are overridden by software commands.  
The lights will always reflect the printer's state.  
Courier: LQ and COURIER lights are on  
Gothic: LQ and GOTHIC lights are on  
Orator: LQ and ORATOR lights are on  
Prestige: LQ and PRESTIGE lights are on  
Roman: LQ, COURIER, and GOTHIC lights are on  
Swiss: LQ, ORATOR, and PRESTIGE lights are on  
Swiss Bold: LQ light is on  
390 Panel.eps  
PRINT QUALITY  
COURIER  
PRESTIGE  
GOTHIC  
ORATOR  
LQ  
ROMAN  
SWISS  
UTILITY  
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Character Pitch  
10 cpi  
Important!  
!
Front panel settings for print quality and character  
pitch are overridden by software commands.  
The lights will always reflect the printer's state.  
Recommended for standard text  
12 cpi  
Recommended for standard text  
Yields more text per page  
Press CHARACTER PITCH/RESET to select the width of  
characters in characters per inch, or Proportional.  
390 Panel.eps  
15 cpi  
Recommended for spreadsheets and large volumes of  
data  
Yields more text per page  
CHARACTER PITCH  
10  
12  
20  
15  
In HSD mode, yields fastest printing  
17  
PROP  
RESET  
17.1 cpi, 20 cpi  
Recommended for spreadsheets  
Smallest print  
PROP (LQ only)  
Recommended for a more polished appearance  
Proportional spacing  
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Printer Reset  
Important!  
When you reset the printer, you reinitialize it.  
!
A printer reset is NOT the same as a reset to factory  
defaults.  
A printer reset reinitializes the printer, but does NOT  
affect any menu settings.  
A reset to factory defaults returns ALL menu settings to  
the factory defaults.  
You will need to reset the printer to clear some error  
conditions  
To reset the printer:  
1 Press and release the SEL key to take the printer off-line.  
The SEL light will be out.  
2 Then, press and hold the SHIFT key and press the RESET  
(CHARACTER PITCH) key.  
3 The printer is reset.  
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Emulations  
Changing Emulations  
Available Emulations  
1 Make sure paper is loaded.  
Your printer has three emulations:  
• Epson® LQ — factory setting  
2 Press SHIFT + SEL. The printer enters the Menu Mode.  
3 Press LF. The following line prints:  
• IBM® Proprinter  
• IBM® AGM  
P r i n t e r C o n t r o l E m u l a t i o n M o d e E P S O N L Q  
4 Press TEAR consecutively until the emulation you wish to  
select prints in the right-hand column.  
5 Press SHIFT + SEL to save your setting and exit the Menu  
Mode.  
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Printer Drivers  
Selecting Printer Drivers  
IBM Proprinter  
Before you can use your printer, you must select the correct  
printer driver in your software. If you select the wrong driver,  
you will see strange characters, incorrect fonts, etc.  
Oki Data ML390/1T IBM  
IBM Proprinter X24e/XL24e  
IBM Proprinter X24/XL24  
IBM Proprinter  
See your software documentation for information on  
!
how to select a printer driver.  
The drivers below are listed by decreasing compatibility  
with your printer. Use one as close to the top of the list as  
possible.  
IBM Graphics Printer  
IBM X24eAGM/XL24eAGM  
Epson LQ  
Use this emulation only when you’ve selected an  
IBM proprinter X24e/XL24e driver  
Oki Data ML390/1T Epson  
Epson LQ 870/1170  
Epson LQ 80/1000  
Epson LQ 2500  
Epson LQ 1500  
Epson FX  
and  
you need to use Epson Letter Quality (LQ) high density  
graphics.  
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Obtaining Drivers  
Installing Printer Drivers  
Drivers are available for a variety of operating systems.  
Installation procedures vary according to the driver you  
select. Follow the instructions provided with the selected  
driver.  
You can obtain the drivers by downloading them from the  
web site at  
http://www.okidata.com  
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Menu Mode  
ALWAYS print the current Menu Mode settings before  
4
1
2
3
!
you reset or change the Menu settings.  
Printing the settings is the only way to have a record of  
the settings.  
SEL  
FF/LOAD  
TEAR  
PARK  
QUIET  
TOF  
LF  
SEL  
Micro Feed  
Down  
Micro Feed  
Up  
SHIFT  
MENU  
To print the Menu Mode Settings, refer to “Using Your  
Printer, Menu Mode, Printing the Menu Settings.”  
PRINT  
ITEM  
SET  
EXIT  
GROUP  
POWER  
ALARM  
MENU  
In Menu Mode, you use the front panel keys to change the  
defaults for the printer parameters. The changes you make in  
the Menu Mode are automatically saved when you exit the  
Menu Mode and are retained, even when you turn the printer  
off.  
5
1 GROUP: Prints the next Group in the Menu. With the  
SHIFT key, prints the previous Group.  
2 ITEM: Prints next Item in the Group. With the SHIFT key,  
32T-FP.eps  
prints previous Item in the Group.  
3 SET: Prints next Setting for an Item. With the SHIFT key,  
prints previous Setting for an Item.  
4 PRINT: Prints a copy of all the Menu settings. With the  
SHIFT key, prints the current settings for the Group  
selected.  
5 MENU light: Glows when the printer is in the Menu  
Mode.  
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Entering and Exiting Menu Mode  
Moving Through the Menu  
To enter or exit the Menu Mode, hold SHIFT while pressing  
SEL.  
When the printer is in Menu Mode, you can move forward or  
backwards through the menu.  
Moving Forward  
To move forward, press GROUP, ITEM, or SET, whichever is  
appropriate.  
For more information, refer to “UsingYour Printer, Menu  
Mode.”  
Moving Backward  
To move backward, press and hold SHIFT, then GROUP,  
ITEM, or SET, whichever is appropriate.  
For more information, refer to “UsingYour Printer, Menu  
Mode.”  
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Resetting Menu to Factory Defaults  
Printing the Menu Settings  
ALWAYS print the current Menu Mode settings before  
ALWAYS print the current Menu Mode settings before  
!
you reset or change the Menu settings.  
Printing the settings is the only way to have a record of  
the settings.  
!
you reset or change the Menu settings.  
Printing the settings is the only way to have a record of  
the settings.  
To print the Menu Mode Settings, refer to “Using Your  
Printer, Menu Mode, Printing the Menu Settings.”  
1 Make sure paper is loaded in the printer.  
2 Enter the Menu Mode (SHIFT + SEL).  
3 Press PRINT (PARK key).  
To reset the Menu to the standard settings (factory defaults):  
1 Turn the printer off.  
To print out a listing of the settings for all menu items,  
2 Press SEL + LF while turning the printer on.  
!
regardless of the emulation selected or the accessories  
installed, enter the Menu Mode, then press SHIFT +  
PRINT QUALITY.  
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Changing the Menu Settings  
ALWAYS print the current Menu Mode settings before  
1 Press SHIFT + SEL to enter the Menu Mode.  
!
you reset or change the Menu settings.  
Printing the settings is the only way to have a record of  
the settings.  
2 Use the GROUP, ITEM and SET keys to make your  
changes:  
Press GROUP until the Group you wish to change appears  
in the first column.  
To print the Menu Mode Settings, refer to “Using Your  
Printer, Menu Mode, Printing the Menu Settings.”  
Press ITEM until the Item you wish to change appears in  
the second column.  
Press SET until the setting you want appears in the third  
column.  
3 Press SHIFT + SEL to exit the Menu Mode and save your  
settings.  
Important!  
!
If you turn off the printer without first exiting the Menu  
Mode, the changes you have made will be lost.  
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Menu Settings Table  
For a complete explanation of each menu item, refer to “Using Your Printer, Menu Mode, Explanations of Menu Items.”  
The table below shows the items which may appear in the menu. Settings which are engaged at the factory (defaults) are set in  
bold italic. Some groups or entries will only appear when a specific emulation is engaged, as noted.  
Group  
Item  
Settings (Defaults are set in bold italic)  
EPSON LQ, IBM PPR, IBMAGM  
LQ Courier, LQ Roman, LQ Swiss, LQ Swiss Bold, LQ Orator,  
LQ Gothic, LQ Prestige, Utility  
10 cpi, 12 cpi, 15 cpi, 17.1 cpi, 20 cpi  
No,Yes  
Printer Control Emulation Mode  
Font  
Print Mode  
Pitch  
Proportional Spacing  
Style  
Normal, Italics  
Size  
Single, Double  
Symbol Sets  
Character Set  
Language Set  
Set I, Set II  
American, French, German, British, Danish I, Swedish, Italian, Spanish I,  
Japanese, Norwegian, Danish II, Spanish II, Latin American, French  
Canadian, Dutch, Publisher  
Zero Character  
Code Page  
Slashed, Unslashed  
USA, Canada French, Multilingual, Portugal, Norway, BRASC II, Abicomp  
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Menu Settings Table (Continued)  
For a complete explanation of each menu item, refer to “Using Your Printer, Menu Mode, Explanations of Menu Items.”  
The table below shows the items which may appear in the menu. Settings which are engaged at the factory (defaults) are set in  
bold italic. Some groups or entries will only appear when a specific emulation is engaged, as noted.  
Group  
Item  
Settings (Defaults are set in bold italic)  
6 LPI, 8 LPI  
Rear Feed  
Line Spacing  
Form Tear-Off  
Skip Over Perforation  
Off, 500 ms, 1 sec, 2 sec  
No,Yes  
Page Width (wide model only) 13.6", 8"  
Page Length  
11", 11-2/3", 12", 14", 17", 3", 3.5", 4", 5.5", 6", 7", 8", 8.5"  
Bottom Feed  
Line Spacing  
6 LPI, 8 LPI  
Form Tear-Off  
Off, 500 ms, 1 sec, 2 sec  
No,Yes  
Skip Over Perforation  
Page Width (wide model only) 13.6", 8"  
Page Length 11", 11-2/3", 12", 14", 17", 3", 3.5", 4", 5.5", 6", 7", 8", 8.5"  
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Menu Settings Table (Continued)  
For a complete explanation of each menu item, refer to “Using Your Printer, Menu Mode, Explanations of Menu Items.”  
The table below shows the items which may appear in the menu. Settings which are engaged at the factory (defaults) are set in  
bold italic. Some groups or entries will only appear when a specific emulation is engaged, as noted.  
Group  
Item  
Settings (Defaults are set in bold italic)  
6 LPI, 8 LPI  
Top Feed  
Line Spacing  
Bottom Margin  
Valid, Invalid  
Page Width (wide model only) 13.6", 8"  
Page Length  
11", 11-2/3", 12", 14", 17", 3", 3.5", 4", 5.5", 6", 7", 8", 8.5"  
Wait Time  
500 ms, 1 sec, 2 sec  
Page Length Control  
By MENU Setting, By Actual Page Length  
Set-Up  
Graphics  
Bi-directional, Uni-directional  
Receive Buffer Size  
Paper Out Override  
Print Registration  
8 K, 1 Line, 23K  
No,Yes  
0, set in 0.05 mm increments: press SEL to shift registration to the left;  
press SHIFT + SEL to shift registration to the right.  
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Menu Settings Table (Continued)  
For a complete explanation of each menu item, refer to “Using Your Printer, Menu Mode, Explanations of Menu Items.”  
The table below shows the items which may appear in the menu. Settings which are engaged at the factory (defaults) are set in  
bold italic. Some groups or entries will only appear when a specific emulation is engaged, as noted.  
Group  
Item  
Settings (Defaults are set in bold italic)  
Set-Up  
Operator Panel Function  
Full Operation, Limited Operation  
(continued)  
Reset Inhibit  
No,Yes  
Print Suppress Effective  
Yes, No  
Auto LF  
No,Yes  
Auto CR+  
No,Yes  
SI Select Pitch (10 cpi) *  
SI Select Pitch (12 cpi) *  
Time Out Print  
Auto Select  
17.1 cpi, 15 cpi  
20 cpi, 12 cpi  
Valid, Invalid  
No,Yes  
Graphics Speed  
Centering Position  
Low, High  
DEFAULT, MODE 1, MODE 2  
* Appears only when the IBM emulation is selected.  
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Menu Settings Table (Continued)  
For a complete explanation of each menu item, refer to “Using Your Printer, Menu Mode, Explanations of Menu Items.”  
The table below shows the items which may appear in the menu. Settings which are engaged at the factory (defaults) are set in  
bold italic. Some groups or entries will only appear when a specific emulation is engaged, as noted.  
Group  
Item  
Settings (Defaults are set in bold italic)  
Buffer Print, Invalid, Buffer Clear  
+5V, Open  
Parallel I/F  
I-Prime  
Pin 18  
Auto Feed XT**  
Invalid, Valid  
* * Appears only when the Epson emulation is selected.  
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Explanations of Menu Items  
Refer to “Using Your Printer, Menu Mode, Menu Settings Table” for an overview of the menu structure.  
Auto CR (IBM). If you want the printer to automatically add  
a carriage return when a Line Feed is received at the end of a  
line, change the setting to Yes.  
Centering Position. Used to limit printhead travel when  
printing narrow columns.  
Select Mode 1 for the narrow carriage printer.  
Select Mode 1 or Mode 2 for the wide carriage printer.  
Auto LF. If your printout is consistently double spaced,  
select No; if it overprints, select Yes.  
Character Set. Choose IBM Set I or IBM Set II  
Auto Feed XT (Epson). If your system uses pin 14 of the  
parallel interface to control automatic line feed, change the  
setting to Valid.  
Code Page. Choose the Code Page character set you wish to  
use: USA (IBM 437), Canada French (IBM 863),  
Multilingual (IBM 850), Portugal (IBM 860), Norway (IBM  
865), BRASC II, orAbicomp.  
Auto Select. If you always use the same Top of Form position,  
change the setting to Yes.  
Emulation Mode. Choose the printer emulation.  
Bottom Margin. Change to Invalid if you want the printer to  
ignore the bottom margin setting.  
Form Tear-Off. Choose 500 ms, 1 sec, or 2 sec to turn the  
Form Tear-Off feature on and to set the time interval for the  
printer to wait before advancing the paper.  
Caution!! This can cause loss of data and damage the  
!
printhead by allowing printing without paper.  
Graphics. Change to bi-directional graphics for faster  
printing. Optimize the registration using the Print  
Registration setting in the Menu.  
Graphics Speed. Change to High for faster printing when  
optimum print quality is not an issue.  
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Explanations of Menu Items (Continued)  
Refer to “Using Your Printer, Menu Mode, Menu Settings Table” for an overview of the menu structure.  
I-Prime. Determines what the printer will do when it receives  
Page Width (Wide Carriage only). Change to 8" to print on  
the I-Prime signal from the software.  
letter-size paper.  
Buffer Print prints out the buffer contents before resetting.  
Buffer Clear dumps the buffer contents immediately.  
Invalid causes the printer to ignore the I-Prime command.  
Paper Out Override. Senses when less than 1" (25 mm) of  
paper remains and stops printing. Change to Yes to override  
the sensor.  
Caution!! This can cause loss of data and damage the  
Language Set. Replaces certain standard symbols with  
special characters used in foreign languages.  
!
printhead by allowing printing without paper.  
Pin 18. Sets the signal on pin 18 to +5 volts or to open.  
Pitch. Choose the character width, in character per inch (cpi).  
Print Mode. Choose the quality and typeface of printing.  
Line Spacing. Change to 8 lines per inch (lpi) to get more  
lines on a page.  
Operator Panel Function. Change to Limited Operation to  
deactivate the PRINT QUALITY and CHARACTER PITCH  
buttons. This prevents these from being changed from the  
control panel when several people are using the printer.  
Print Registration. Change the setting as required to obtain  
the best registration for bi-directional printing.  
Page Length. Selects the length of the paper you are using.  
Page Length Control. Change the setting to “by Actual  
Page Length” if you wish to print on single-sheets longer  
than 17 inches. When “by Actual Page Length” is selected,  
the menu setting for Top Feed Page Length is isgnored.  
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Explanations of Menu Items (Continued)  
Refer to “Using Your Printer, Menu Mode, Menu Settings Table” for an overview of the menu structure.  
Print Suppress Effective. If your system uses the DC1 and  
DC3 codes for something other than the print suppress mode,  
change the setting to No.  
Size. Change to Double for double width and height printing.  
Skip Over Perforation. Change to Yes if you want the printer  
to go to the next page when it comes within 1" (25 mm) of  
the bottom of the page. Keep it set to No if your software has  
its own page formatting controls.  
Proportional Spacing. Change the setting to Yes to engage  
proportional spacing of characters.  
Receive Buffer Size. Selects the amount of memory devoted  
to holding received data. Choosing 1 Line will tie up your  
computer while printing, but if you abort the print job, the  
printer will stop much sooner.  
Style. Change to italics if you want the printed characters to  
be slanted.  
Time Out Print. If your software spends a long time  
processing between portions of data it feeds to the printer,  
change the setting to Invalid to keep your printer from  
dumping the received data while it is waiting for more.  
Reset Inhibit. SelectYes to prevent your software from  
resetting your printer's settings.  
SI Select Pitch, 10 cpi (IBM). Sets the pitch to be engaged  
when the printer control panel is set for 10 cpi and the SI  
command is received.  
Wait Time. Sets the amount of time the printer will wait for  
more data before moving to the form tear-off position.  
Zero Character. If you do not want the printer to use a slash  
to distinguish the number zero from the capital letter O,  
change the setting to Unslashed.  
SI Select Pitch, 12 cpi (IBM). Sets the pitch to be engaged  
when the printer control panel is set for 12 cpi and the SI  
command is received.  
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Maintenance  
Replacing the Ribbon Cartridge  
Make sure that the printer model number for the ribbon  
is the same as the model number for your printer. If the  
model numbers don’t match, the ribbonWILL NOT  
work in the printer.  
If you need instructions for replacing the ribbon cartridge,  
you can refer to the  
!
packaging of the new cartridge  
web site  
“Installation, Ribbon Cartridge.”  
For the best results, use genuine OKI ribbons.  
For information on obtaining consumables, refer to  
“Accessories.”  
For information on the web site, refer to “Service and  
Support, Internet Support.”  
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Printer Cleaning  
3 Use a clean, dry cloth to dust around the carriage shaft and  
You should clean the printer every six months (or after about  
300 hours of operation).  
platen. Remove any loose bits of paper.  
4 Install the pull-up roller assembly. Close the access cover.  
Never use solvents or strong detergents on the cabinet:  
32T-04Dn.eps  
!
they could cause damage.  
1 Turn off the printer. Then, use the platen knob to back the  
paper out of the printer.  
2 Open the access cover. Remove the pull-up roller  
assembly.  
32T-04Up.eps  
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Paper Jams  
Rear-Feed Paper Jams  
Make sure the printer is turned off before you open the  
access cover.  
1 Turn off the printer. Then, use the platen knob to back the  
paper out of the printer.  
!
32T-01B.eps and 32T-37BK.eps  
2 Open the access cover. Remove the pull-up roller  
assembly.  
32T-04UP.eps  
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3 Remove any torn pieces of paper.  
6 Turn on the printer.  
32T-01a.eps  
4 Grasp the tabs and lift off the paper separator (1). Load  
paper. Make sure you lock the tractor covers (2).  
1
7 Press FF/LOAD.  
FF.eps  
2
FF/LOAD  
32T-23A.eps  
Micro Feed  
Up  
5 Install the paper separator. Install the pull-up roller  
assembly. Close the access cover.  
32T-23A.eps and 32T-04DN.eps  
ITEM  
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Rear-Feed, Repeating Paper Jams  
If the paper keeps jamming, you may have:  
Bits of Paper Stuck in the Paper Path  
defective paper.  
misaligned paper.  
bits of paper stuck in the paper path.  
1 Turn off the printer. Then, use the platen knob to back the  
paper out of the printer.  
2 Open the access cover. Remove the pull up roller  
assembly. Remove any torn pieces of paper.  
32T-04up.eps  
Defective Paper  
Replace the paper with a fresh stack.  
Misaligned Paper  
1 Turn off the printer. Then, use the platen knob to back the  
paper out of the printer.  
2 Tear off a couple of sheets of paper, leaving a new, clean,  
3 Grasp the tabs and lift off the paper separator (1).  
square-cut edge.  
32T-23A.eps  
1
3 Reload the paper and turn the printer back on.  
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4 Fold some continuous-form paper over three times to  
make a page four sheets thick. Then, load it on the  
tractors and close the covers.  
6 Remove any paper pieces. Then, use the platen knob to  
back the paper out.  
32T-42R.eps  
32T-41R.eps  
5 Use the platen knob to draw the quadruple-thick page  
around the platen. This clears any jammed bits of paper.  
32T-42R.eps  
7 Load regular paper (making sure the tractor covers are  
closed). Install the paper separator.  
32T-23A.eps  
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8 Install the pull-up roller assembly. Close the access cover.  
10 Press FF/LOAD.  
32T-04DN.eps  
FF.eps  
FF/LOAD  
Micro Feed  
Up  
ITEM  
9 Turn on the printer.  
32T-01A.eps  
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Single-Sheet Paper Jams  
1 Turn off the printer.  
4 Remove any torn pieces from around the carriage.  
2 Then, use the platen knob to back the paper out.  
5 Install the pull-up roller assembly. Close the access cover.  
32T-43.eps  
32T-44Dn.eps  
SEL  
SEL  
MENU  
L
F
e
S
H
I
F
T
E
X
I
T
Mi  
D
c
o
r
o
F
e
d
F
F
/
L
O
AD  
wn  
PO  
W
E
R
Mi  
c
r
o
F
e
e
d
T
E
AR  
PRINT  
Q
U
AL  
I
T
Y
ALARM  
G
RO  
UP  
U
p
PAR  
K
I
T
E
M
Q
U
I
E
T
HSD  
NL  
PI  
S
E
T
U
T
L
MENU  
T
O
F
Q
PRINT  
C
HARAC  
T
E
R
T
C
H
SSD  
1
0
1
2
1
7
1
5
2
0
PRO  
P
6 Turn on the printer. Load paper.  
32T-01A.eps and 32T-15.eps  
3 Open the access cover. Remove the pull-up roller  
assembly.  
32T-44Up.eps  
SEL  
SEL  
MENU  
L
F
e
S
H
I
F
T
E
XI  
T
Mi  
D
c
o
r
o
F
F
F
/
L
O
AD  
e
d
wn  
PO  
W
E
R
T
EAR  
Mi  
c
r
o
F
e
e
d
PRINT  
Q
U
ALIT  
Y
G
RO  
UP  
U
p
ALARM  
PA  
R
K
I
T
E
M
Q
U
IET  
HSD  
NL  
PIT  
SE  
T
U
T
L
MENU  
T
O
F
Q
PRINT  
C
HARAC  
T
E
R
C
H
SSD  
10  
17  
12  
20  
15  
PRO  
P
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Troubleshooting  
General Information  
Here are some general things to check before proceeding with  
detailed troubleshooting.  
Settings in your software application will override any  
settings in your printer driver.  
Your printer driver settings will override any settings  
from the printer menu or printer front panel.  
!
• Is the printer plugged in and turned on?  
• Are the connections (power and interface) secure?  
• Is the product being operated under the proper ambient  
conditions?  
Internet Support  
• Does the paper being used meet the specifications for this  
product?  
• Is the paper properly installed?  
• Has the ribbon been replaced as recommended?  
• Is the ribbon properly installed?  
• Is an OKI ribbon being used?  
Oki Data provides support via the Internet.  
Oki Data’s main web site, www.okidata.com, is the gateway to  
Oki Data’s products and services.  
my.okidata.com is a powerful area of Oki Data’s web site  
designed to help you personalize the information and service  
you get from Oki Data.  
• Is the printhead gap correctly set?  
• Are the correct printer drivers being used for the printer?  
For more information, refer to “Service and Support, Internet  
Support.”  
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List of Problems  
Problem 9:  
Problem 1:  
The ALARM light is on and the Character Pitch 15 light is  
flashing.  
My word processor files do not print the way I have the menu  
and front panel set.  
Problem 10:  
Problem 2:  
The printer needs paper, but the ALARM light is not on and I  
cannot load the paper.  
Nothing happens when I turn on the printer.  
Problem 3:  
Problem 11:  
The printer does not print when the computer sends data.  
The Print Quality and Character Pitch keys on the front panel  
don't work.  
Problem 4:  
I'm getting strange symbols, incorrect fonts, etc., when I try to  
print a document.  
Problem 12:  
Continuous-form paper sticks to the paper separator.  
Problem 5:  
Ink smears on the paper when I print on narrow forms.  
Problem 6:  
I've installed a new ribbon and the printing is smeared and  
streaked.  
Problem 7:  
The ALARM light is flashing.  
Problem 8:  
The ALARM light is on and the Character Pitch 10 light is  
flashing.  
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Problem 1:  
My word processor files do not print the way I have the  
menu and front panel set.  
Solution:  
Solution:  
Always remember that:  
Before sending a file to the printer, many word processors  
send either an “initialization string” or an I-Prime signal to  
the printer.  
1 Settings in your software application will override any  
settings in your printer driver.  
2 Your printer driver settings will override any settings from  
The initialization string contains codes that override the  
panel and menu settings. To change your printer to ignore the  
reset code, enter the Menu Mode, go to the Set-Up group and  
change the setting for Reset Inhibit to Yes. Refer to “Using  
Your Printer, Menu Mode.”  
the printer menu or printer front panel.  
The I-Prime signal will automatically override any front  
panel settings you have made. To eliminate this problem,  
enter the Menu Mode, go to the Parallel Interface group and  
change the setting for I Prime to Invalid. Refer to “Using  
Your Printer, Menu Mode.”  
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Problem 2:  
Problem 4:  
Nothing happens when I turn on the printer.  
I'm getting strange symbols, incorrect fonts, etc., when I  
try to print a document.  
Solution:  
Solutions:  
Check the power cord connection to the outlet. If you are  
using a power strip, make sure it is turned on, and that a fuse  
hasn’t blown or that a circuit breaker hasn’t tripped.  
1 Check to be sure that the printer driver you have selected  
in your software matches the printer emulation.  
Press SHIFT and SEL keys, then press GROUP key.  
Problem 3:  
This will print a line showing the emulation you have  
selected.  
The printer does not print when the computer sends  
da ta .  
2 If you have embedded any printer commands in your  
software, check to be sure that you entered them correctly.  
Solutions:  
1 Is the SEL light on? If not, press the SEL key.  
2 Check that the interface cable is securely connected to  
both the printer and the computer.  
3 If you have the optional serial interface board installed,  
check to be sure that it is firmly seated in the printer.  
User’s Guide: English  
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Problem 5:  
Problem 7:  
Ink smears on the paper when I print on narrow forms.  
The ALARM light is flashing.  
Solution:  
Solution:  
This may be caused by excessive printhead travel from the  
centering position. Enter the Menu and set the Centering  
Position to MODE 1. Refer to “UsingYour Printer, Menu  
Mode.”  
Try turning the printer off and then back on again. If the light  
still blinks, call for service.  
Problem 8:  
The ALARM light is on and the Character Pitch 10 light  
is flashing.  
For the wide-carriage printer, if MODE 1 doesn't work, try  
setting the Centering Position to MODE 2.  
Problem 6:  
Solution:  
I've installed a new ribbon and the printing is smeared  
and streaked.  
This indicates that the paper lever is set at the wrong position  
for the paper you are trying to use. Move it to the proper  
setting.  
Solution:  
The ribbon shield is either loose or missing. Remove the  
ribbon cartridge and check the ribbon shield.  
If it is loose, secure it.  
If it is missing, find it and install it.  
94  
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Problem 9:  
Problem 11:  
The ALARM light is on and the Character Pitch 15 light  
is flashing.  
The Print Quality and Character Pitch keys on the front  
panel don't work.  
Solution:  
Solution:  
This indicates a paper jam. Press the SEL key and correct the  
paper jam situation. Refer to “Maintenance, Paper Jams.”  
The Operator Panel Function in the printer menu can be used  
to disable these buttons (Limited Function). If the printer is  
part of a customized system or if it is used by a number of  
people, the system manager may have used this option to  
make sure the printer is always set properly.  
Problem 10:  
The printer needs paper, but the ALARM light is not on  
and I cannot load the paper.  
Check with your system manager before changing any menu  
settings.  
Solution:  
Refer to “UsingYour Printer, Menu Mode.”  
Press and release the SEL key.  
Problem 12:  
Then, press and hold the SHIFT key and press the RESET  
(CHARACTER PITCH) key.  
Continuous-form paper sticks to the paper separator.  
The printer is reset.  
Solution:  
In cold dry weather, static charges can build up and make the  
paper cling to the paper separator. Try moving the paper  
guides together so that the paper rests on the guides rather  
than on the separator.  
User’s Guide: English  
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Specifications  
Specifications subject to change without notice.  
Print Speed  
!
Pitch—  
Characters  
per Inch  
Speed—  
Characters  
per Second  
Print Method  
Impact dot matrix  
Mode  
Utility  
10 cpi  
12 cpi  
15 cpi  
17.1 cpi  
20 cpi  
10 cpi  
12 cpi  
15 cpi  
17.1 cpi  
20 cpi  
260 cps  
312 cps  
390 cps  
223 cps  
260 cps  
87 cps  
Printhead  
24 pins, 0.20 mm (0.0079”) diameter, thermal protection  
Letter  
Quality  
104 cps  
131 cps  
149 cps  
174 cps  
96  
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Characters per Line (cpl)  
Resident Fonts  
Setting  
10 cpi  
12 cpi  
15 cpi  
17.1 cpi  
20 cpi  
ML390 Turbo/n ML391 Turbo/n  
Print Quality  
Available Fonts  
80 cpl  
136 cpl  
163 cpl  
204 cpl  
233 cpl  
272 cpl  
Letter Quality  
Courier, Gothic, Orator, Prestige,  
Roman, Swiss, Swiss Bold  
96 cpl  
Utility  
Gothic  
120 cpl  
137 cpl  
160 cpl  
Resident Scalable Fonts*  
Courier, Roman, and Swiss, in sizes from 8 to 64 points  
*Selectable through software only.  
Emulations (co-resident)  
Co-resident  
Epson LQ  
IBM PPR  
IBM AGM  
Interface  
Standard: Centronics parallel, IEEE-1284 compliant  
Optional: RS-232C serial  
Graphics Resolution  
360 x 360 dpi maximum (24-dot, hex density)  
Receive Buffer Size  
23 K  
User’s Guide: English  
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Resident Typefaces  
Reliability  
Mean Time Between Failures (MTBF)  
Mode/Font  
LQ Courier  
Size  
10,000 hours at 25% duty cycle and 35% page density  
Mean Time to Repair (MTTR)  
15 minutes  
10 & 12 cpi, Proportional  
10 & 12 cpi, Superscript/Subscript  
Proportional Superscript/Subscript  
Printhead Life  
LQ Letter Gothic 10 & 12 cpi, Proportional  
10 & 12 cpi, Superscript/Subscript  
200 million characters average in 10 cpi draft mode at 25%  
duty and 35% page density  
Proportional Superscript/Subscript  
LQ Prestige  
LQ Orator  
LQ Roman  
LQ Swiss  
LQ Swiss Bold  
Utility Gothic  
10 cpi, 12 cpi, Proportional  
10 cpi, 12 cpi, Proportional  
10 cpi, 12 cpi, Proportional  
10 cpi, 12 cpi, Proportional  
10 cpi, 12 cpi, Proportional  
10 cpi, 12 cpi, Proportional  
10 & 12 cpi, Superscript/Subscript  
15 cpi  
Ribbon Life  
4 million characters, on average, 10 cpi utility  
HSD Gothic  
Bar Codes  
Code 39, UPCA, UPC E, EAN 8, EAN 13,  
Interleaved 2 of 5, Code 128, Postnet  
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Paper Specifications  
Microline 390 Turbo/n  
Paper Type: Cut Sheet  
Paper Type: Envelopes, single feed  
Feed:  
Weight:  
Top  
Feed:  
Weight:  
Top  
14-24 lb. (52.5-90 g/m2)  
24 lb. max. (90 g/m2)  
Width Range: 7.2" to 8.5" (182.8 to 215.9 mm)  
Width Range: 6.5" to 9.5" (165.1 to 241.3 mm)  
Paper Type: Single-part, continuous forms  
Paper Type: Envelopes, continuous feed, non-overlap  
Feed:  
Weight:  
Rear, Bottom  
12-24 lb. (45-90 g/m2)  
Feed:  
Weight:  
Bottom  
24 lb. max. (90 g/m2)  
Width Range: 3" to 10" (76.2 to 254 mm)  
Width Range: 6.5" to 9.5" (165.1 to 241.3 mm)  
Paper Type: Carbonless continuous forms  
Paper Type: Card stock  
Feed:  
Weight:  
Rear, Bottom  
9-11 lb. (33.75-41.25 g/m2)  
Feed:  
Weight:  
Bottom  
120 lb. max. (450 g/m2)  
Width Range: 3-10" (76.2 to 254 mm)  
Width Range: Not applicable  
Paper Type: Interleaf continuous forms  
Paper Type: Transparencies  
Feed:  
Weight:  
Rear, Bottom  
10-12 lb.  
Feed:  
Top  
Weight:  
Not applicable  
Width Range: 3-10" (76.2 to 254 mm)  
Width Range: Not applicable  
Standard Transparencies are  
8.5" x 11" (215.9 - 279.4 mm)  
Paper Type: Labels  
Feed:  
Bottom  
Weight:  
Not applicable  
Width Range: 3-10" (76.2 to 254 mm)  
User’s Guide: English  
99  
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Paper Specifications  
Microline 391 Turbo/n  
Paper Type: Cut Sheet  
Paper Type: Envelopes, single feed  
Feed:  
Weight:  
Top  
14-24 lb. (52.5-90 g/m2)  
Feed:  
Weight:  
Top  
24 lb. max. (90 g/m2)  
Width Range: 7.2" to 14.3" (182.8 to 363.2 mm)  
Width Range: 6.5" to 9.5" (165.1 to 241.3 mm)  
Paper Type: Single-part, continuous forms  
Paper Type: Envelopes, continuous feed, non-overlap  
Feed:  
Weight:  
Rear, Bottom  
12-24 lb. (45-90 g/m2)  
Feed:  
Weight:  
Bottom  
24 lb. max. (90 g/m2)  
Width Range: 3" to 16" (76.2 to 406.4 mm)  
Width Range: 6.5" to 9.5" (165.1 to 241.3 mm)  
Paper Type: Carbonless continuous forms  
Paper Type: Card stock  
Feed:  
Weight:  
Rear, Bottom  
9-11 lb. (33.75-41.25 g/m2)  
Feed:  
Weight:  
Bottom  
120 lb. max. (450 g/m2)  
Width Range: 3" to 16" (76.2 to 406.4 mm)  
Width Range: Not applicable  
Paper Type: Interleaf continuous forms  
Paper Type: Transparencies  
Feed:  
Weight:  
Rear, Bottom  
10-12 lb.  
Feed:  
Top  
Weight:  
Not applicable  
Width Range: 3" to 16" (76.2 to 406.4 mm)  
Width Range: Not applicable  
Standard Transparencies are  
8.5" x 11" (215.9 - 279.4 mm)  
Paper Type: Labels  
Feed:  
Bottom  
Weight:  
Not applicable  
Width Range: 3" to 16" (76.2 to 406.4 mm)  
100  
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Paper Thickness  
Printer Weight  
Rear Feed  
ML390 Turbo/n: 16.5 lbs. (6.5 kg)  
0.014" (0.36 mm) maximum  
Bottom Feed*  
ML391 Turbo/n: 19.8 lbs. (8.9 kg)  
Environmental Requirements  
Temperature  
0.0165" (0.44 mm) maximum  
expandable to 0.031" (0.79 mm) maximum  
Operating  
Storage  
41 to 104°F (5 to 40°C)  
14 to 122°F (-10 to 50°C)  
* Requires optional push or pull tractor.  
Printer Dimensions  
Width x Depth x Height  
Humidity  
Operating  
Storage  
20 to 80% RH  
5 to 95% RH  
ML390 Turbo/n  
17.25 x 16.1 x 5.75 inches  
436 x 409 x 145 mm  
Electrical Requirements  
120 volts ac  
ML391 Turbo/n  
(+5.5%, -15%), 50 or 60 Hz (±2%)  
23.1 x 16.1 x 5.75 inches  
587 x 409 x 145 mm  
110 W Maximum, 40 W idle  
230 or 240 volts ac also available  
(+ 10%, - 14 %), 50 or 60 Hz (±2%)  
Specifications subject to change without notice.  
!
User’s Guide: English  
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Service and Support  
General Information  
Oki Data offers service and support to you through a variety  
of methods.  
Details of each support method are provided in this section  
Oki Data’s service and support methods are different in these  
two areas:  
Please chose the service and support method that is best for  
you.  
• United States and Canada  
• LatinAmerica  
Oki Data’s service and support methods are:  
Details for each area are provided in this section.  
• the documentation provided with your machine  
• the store location where you purchased your machine  
• Internet Support  
Service Centers are trained by Oki Data and are authorized to  
service OKI products. For more information about Service  
Centers, refer to “Service and Support, Service Centers.”  
• Telephone Support  
102  
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Documentation  
Purchase Location  
The documentation provided with your machine provides an  
excellent reference for the day-to-day operation of your  
machine.  
The store location where you purchased your machine  
provides an excellent, local means of support for you and  
your machine.  
The documentation included with your machine is:  
Your purchase location will also provide any warranty  
service required by your machine  
• User’s Guide, on line, provided on the CD  
• Microline Reference Manual, on line, provided on the CD  
• Warranty, Material Safety Data Sheet  
You will need your printer serial number if your  
!
machine requires servicing.  
A written receipt for the product, showing the date of  
purchase, dealer’s name, and both the model and serial  
numbers of the product must accompany any request or  
claim for work to be performed under Limited  
Warranty.  
If you cannot locate your documentation, go to  
www.okidata.com or my.okidata.com. Follow the prompts for  
your product, and you will find the on-line versions of all of  
these documents.  
User’s Guide: English  
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Internet Support  
my.okidata.com  
www.okidata.com  
Your Gateway to OKI Products and Services  
Your Personal Solutions Center  
www.okidata.com is Oki Data’s web site. It provides general  
information about all of the OKI products and services  
available to you.  
my.okidata.com is a powerful area of Oki Data’s web site  
designed to help you personalize the information and service  
you get from Oki Data.  
You can use our web site to  
When you register for my.okidata.com, you  
• get Web-based support for all OKI products: 24 hours a  
day, 7 days a week—no waiting!  
• download the printer drivers you need.  
• read about other customers and how they use OKI  
products to improve their productivity and enhance their  
documentation.  
• personalize the web-based support for the OKI products  
you own: 24 hours a day, 7 days a week—no waiting!  
• automatically register your product.  
• access on-line versions of your product documentation  
(manuals) and support information.  
• control your contact, profile, and preference information.  
• receive automatic notification of new printer drivers, key  
updates, and support information.  
• use the Dealer Locator to find a dealer location close to  
you.  
• find out about Oki Data’s special promotional offers and  
breaking news.  
• track your e-mail support history.  
• and more . . .  
• and more . . .  
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Telephone Support  
Oki Data Customer Information System  
Information SystemAutomatedAttendant  
1-800-654-3282 (1-800-OKI-DATA)  
Toll Free in the U.S. and Canada  
Customer Support Professionals  
1-800-654-3282 (1-800-OKI-DATA)  
Toll Free in the U.S. and Canada  
For quick answers to commonly-asked questions, the  
Oki Data Information System Automated Attendant is  
available 24 hours a day, 7 days a week. The system can  
provide immediate assistance with:  
Customer Support Professionals are available 24 hours a day,  
7 days a week. Please be sure that you are calling from a  
telephone close to your machine so you can describe your  
problem accurately.  
• Basic operating procedures  
• Sales and service referrals  
• Parts and consumable referrals  
• Product information  
Our Customer Support Professionals are trained on all current  
OKI products. They can answer your questions regarding:  
• Locations of sales and service dealers  
• Installation of your machine  
• Usage/normal maintenance of your machine  
• Error message interpretation/solutions  
• Parts and supplies identification  
• Consumer relations  
User’s Guide: English  
105  
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Oki Data Service Centers  
Oki Data Authorized Service Providers  
Canada  
Oki Data has over 2,000 local Authorized Service Providers  
in North and South America.  
Oki DataAmericas, Inc.  
2735 Matheson Blvd. East, Unit 1  
Mississauga, Ontario  
Canada L4W 4M8  
Phone: 1-800-654-3282  
Fax: 1-905-238-4427  
For the most comprehensive, up-to-date listing of Oki Data  
authorized Service Centers:  
• Consult our web site at www.okidata.com  
• In the U.S. and Canada, call 1-800-654-3282  
(1-800-OKI-DATA)  
• In Latin America, contact the Latin America Service  
Coordinator at Oki Data’s Corporate Headquarters at  
856-222-7496 (Spanish only)  
Mexico  
Oki Data de Mexico, S.A. de C.V.  
Mariano Escobedo No. 748-8 Piso  
Col. Anzures, e.p. 11590  
Mexico, DF  
Oki Data Contact Locations  
Phone: (525) 263-8780  
Fax: (525) 263-8785  
United States  
Oki DataAmericas, Inc.  
2020 Bishops Gate Blvd.  
Mt. Laurel, NJ 08054  
Phone: 1-800-654-3282  
Fax: 1-856-222-5247  
Brazil  
Oki Data do Brasil, Ltda.  
Rua Alexandre Dumas, 2220 - 8 andar  
Chácara Sto Antonio  
São Paulo, Brazil 04717-004  
Phone: 55-11-3444-3500  
Fax: 55-11-3444-3501  
106  
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Sales and Service Dealers: United States  
and Canada  
Service and Support: United States  
and Canada  
Consult the store location where you purchased your  
machine, or contact Oki Data for the location of the nearest  
Authorized Oki Data Service Dealer.  
Oki Data is firmly committed to the satisfaction of our  
customers. If you have problem that your customer  
documentation cannot solve, contact the listed sources for  
service or support.  
• Prices and minimum charges may vary.  
• Proof of purchase is required for warranty work. Be sure to  
retain your purchase documents.  
User’s Guide: English  
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Service and Support: Latin America  
Customer Support Professionals: Latin  
America  
Oki Data is committed to offer the best customer support  
possible to our customers. In the instance of having a  
difficult problem with your OKI product, please contact any  
of the OKI- CAS (Centro Autorizado de Servicio) shown on  
our Web site, www.okidata.com.  
Our CAS’s are trained and certified to provide the best service  
and support possible to our customers. Make sure that you  
are close to your machine when you call one of our OKI  
authorized service centers (OKI-CAS) so that you can  
describe your problem more accurately.  
Sales and Service Centers: Latin America  
Our customer support professionals are trained on all current  
OKI products. They can answer your questions regarding:  
If you need to service your OKI product, please contact the  
store where you bought your fax machine or contact any of  
the OKI-CAS listed on our Web site for information.  
• Location of nearest CAS (Service Center).  
• Installation of your machine.  
• Usage/normal maintenance of your machine.  
• Error message interpretation/solutions  
• Parts and supplies identification.  
• Consumer relations.  
• Prices and charges may vary.  
• A copy of the proof of purchase is required for the  
warranty process.  
Contacting Oki Data: Latin America  
Information regarding our products and authorized service  
centers is available in our Web site:  
http://www.okidata.com  
108  
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Accessories  
Purchasing Accessories  
• Consult the dealer where your purchased your machine.  
• Locate an Authorized Oki Data Reseller by visiting one of  
these web sites  
Before you purchase, know your machine model number  
(see the front of the unit) and have the correct part number  
and description of the item. Item descriptions and part  
numbers are provided in this section.  
- http://my.okidata.com  
Allows you to register your product and  
personalize your own support needs  
- http://www.okidata.com  
Provides general information  
• In the United States, purchase directly from Oki Data  
Via the Internet  
- http://my.okidata.com  
- http://www.okidata.com  
Via telephone  
Order toll-free by phone at 1-800-654-3282  
(1-800-OKI-DATA) usingVISA, MasterCard, or  
American Express.  
• In Canada, call 888-309-4570.  
User’s Guide: English  
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Accessories: Part Numbers  
Consumables: Part Numbers  
Consumable  
Part Number  
1
Ribbon Cartridge (1) -----------------------------------52104001  
32T-PT01.eps  
Options: Part Numbers  
2
Option  
Part Number  
Model ML390T/n  
Pull Tractor, Top-Mount (2) ---------------------------70030501  
Push Tractor, Bottom-Mount (3) ---------------------70030701  
Roll Paper Stand (4) ------------------------------------70023301  
32T-PT52.eps  
Model ML391T/n  
3
Pull Tractor, Top-Mount (2) ---------------------------70030601  
Push Tractor, Bottom-Mount (3) ---------------------70030801  
Both Models  
32T-rps.tif and 32TCSF02.eps  
Cut Sheet Feeder (5)------------------------------------70030101  
(Cut Sheet Feeder sold only with printer; not available  
separately)  
5
Serial Interface (Not Shown) --------------------------70012801  
4
32T-20.bmp  
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Replacement Parts: Part Numbers  
Replacement Part------------------------------------- Order No.  
Model ML390T/n  
2
4
1
Access Cover (1) ----------------------------------------53076701  
Acoustic Cover (2) -------------------------------------53076901  
Paper Separator (3) -------------------------------------51009409  
Pull-Up RollerAssembly (4) --------------------------50411001  
39T-Sepr.eps and 32T-Rolr.tif  
Model ML391T/n  
3
Access Cover (1) ----------------------------------------53076801  
Acoustic Cover (2) -------------------------------------53077001  
Paper Separator (3) -------------------------------------51009510  
Pull-Up RollerAssembly (4) --------------------------50411101  
32T-Knob.tif and PowrCord.eps  
Both Models  
5
6
Platen Knob (5) -----------------------------------------51902220  
Power Cord (6) ------------------------------------------56631801  
Printhead (7)---------------------------------------------50114701  
32T-CVR2.tif and 32T-CVR1.tif  
32T-Head.tif  
7
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Documentation: Part Numbers  
Document  
Part Number  
User's Guide -----------------------------refer to my.okidata.com  
Reference Manual ---------------------- refer to my.okidata.com  
Warranty, Material  
Safety Data Sheet ----------------------- refer to my.okidata.com  
If you cannot locate your hardcopy documentation or  
!
the CD provided with your machine, go to  
www.okidata.com or my.okidata.com. Follow the  
prompts for your product, and you will find the on-line  
versions of all of these documents.  
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Printer Control Codes  
This section lists the most commonly used printer control  
codes.  
The Microline Reference Manual is ONLY available in  
American English.  
!
The Microline Reference Manual provides complete lists of  
all the commands, along with information on their use.  
You may view this document by:  
• accessing the document on the CD provided with your  
machine  
• using the Oki Data web sites  
http://www.okidata.com  
or  
my.okidata.com  
User’s Guide: English  
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Epson LQ Commands  
Epson_LQ_2.doc  
Epson_LQ_1.doc  
Epson Command  
Backspace  
Cancel  
Carriage Return, Execute CR  
Character Pitch  
Select 10 cpi  
Select 12 cpi  
Select 15 cpi  
Begin 10 cpi  
Cancel Condensed Print  
Character Style  
Normal  
ASCII  
BS  
CAN  
Decimal  
8
24  
13  
Epson Command  
Double Width On  
Double Width Off  
Double Width for One Line SO  
or ESC SO  
Emphasized Print On  
Emphasized Print Off  
Enhanced Print On  
Enhanced Print Off  
Italic Printing On  
Italic Printing Off  
Form Feed  
ASCII  
ESC W 1  
ESC W 0  
Decimal  
27 87 49  
27 87 48  
14  
or 27 14  
27 69  
27 70  
27 71  
27 72  
27 52  
27 53  
12  
ESC E  
ESC F  
ESC G  
ESC H  
ESC 4  
ESC 5  
FF  
ESC P  
ESC M  
ESC g  
ESC SI, or SI 27 15, or 15  
DC2  
27 80  
27 77  
27 103  
18  
ESC q 0  
ESC q 1  
ESC q 2  
ESC q 3  
DEL  
ESC w 1  
or ESC US 0  
ESC w 0  
or ESC US 1  
27 113 48  
27 113 49  
27 113 50  
27 113 51  
127  
27 119 49  
or 27 31 48  
27 119 48  
or 27 31 49  
Outline  
Shadow  
Outline with Shadow  
Delete  
Form Length  
n Inches (n = 1 to 22)  
ESC C NUL 27 67 0 n  
n
ESC C n  
HT  
ESC @  
n Lines (n = 1 to 127)  
Horizontal Tab  
Initialize Printer  
27 67 n  
9
27 64  
Double Height On  
Double Height Off  
114  
Microline 390/ 391Turbo/ n  
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Epson LQ Commands (Continued)  
Epson_LQ_3.doc  
Epson_LQ_4.doc  
Epson Command  
Justification  
Left  
Center  
Right  
Full  
ASCII  
Decimal  
Epson Command  
Margins  
Set Left Margin  
(n = 0 to 255)  
Set Right Margin  
(n = 0 to 255)  
ASCII  
Decimal  
ESC a 0  
ESC a 1  
ESC a 2  
ESC a 3  
27 97 48  
27 97 49  
27 97 50  
27 97 51  
ESC 1 n  
ESC Q n  
27 108 n  
27 81 n  
Paper Out Sensor  
Disabled (Off)  
Enabled (On)  
Print Quality/Font  
Select LQ  
Select Utility  
Select Roman (LQ only)  
Select Swiss (LQ only)  
Select Courier (LQ only)  
Select Prestige (LQ only)  
Select Orator (LQ only)  
Line Feed, Execute  
w/ Carriage Return  
n/180” (n-0 to 255)  
n/360” (n-0 to 255)  
Reverse, n/180"  
(n = 0 to 255)  
Line Spacing, Set  
n/360” (n = 0 to 255)  
ESC 8  
ESC 9  
27 56  
27 57  
LF  
ESC J n  
ESC ] n  
10  
27 74 n  
27 93 n  
ESC x 1  
ESC x 0  
ESC k 0  
ESC k 1  
ESC k 2  
ESC k 3  
ESC k 7  
27 120 49  
27 120 48  
27 107 48  
27 107 49  
27 107 50  
27 107 51  
27 107 55  
ESC j n  
27 106 n  
ESC + n  
or ESC [ n  
ESC 3 n  
ESC A n  
ESC 2  
27 43 n  
or 27 91 n  
27 51 n  
27 65 n  
27 50  
n/180” (n = 0 to 255)  
n/60” (n = 0 to 127)  
1/6”  
1/8”  
ESC 0  
27 48  
User’s Guide: English  
115  
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Epson LQ Commands (Continued)  
Epson_LQ_5.doc  
Epson_LQ_6.doc  
Epson Command  
Print Speed  
Half-Speed On  
ASCII  
Decimal  
Epson Command  
Underline On  
Underline Off  
Uni-Directional Printing  
One Line Only  
On  
ASCII  
ESC - 1  
ESC - 0  
Decimal  
27 45 49  
27 45 48  
ESC s 1  
ESC s 0  
DC3  
27 115 49  
27 115 48  
19  
Half-Speed Off  
Print Suppress Mode On  
Print Suppress Mode Off  
Proportional Spacing On  
Proportional Spacing Off  
Skip Over Perforation ON  
ESC <  
ESC U 1  
ESC U 0  
27 60  
27 85 49  
27 85 48  
DC1  
17  
ESC p 1  
ESC p 0  
ESC N n  
27 112 49  
27 112 48  
27 78 n  
Off  
Upper Range Control Codes  
Permit Printing  
Cancel Printing  
Vertical Tab, Execute  
ESC 6  
ESC 7  
VT  
27 54  
27 55  
11  
(n = 1 to 127)  
Skip Over Perforation OFF  
ESC O  
ESC } NUL 27 125 0  
ESC S 1  
ESC S 0  
ESC T  
27 79  
Software I-Prime  
Subscript On  
Superscript On  
27 83 49  
27 83 48  
27 84  
Subscript/Superscript Off  
116  
Microline 390/ 391Turbo/ n  
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IBM Proprinter X24e / XL24e and IBM X24e AGM / XL 24e AGM Commands  
IBM_1.doc  
IBM_2.doc  
IBM Command  
Backspace  
Cancel  
Carriage Return  
Character Pitch, Select  
10 cpi  
12 cpi  
15 cpi  
Condensed Print  
Character Style  
Normal  
Outline  
Shadow  
Outline with Shadow  
Double Width  
On  
ASCII  
BS  
CAN  
CR  
Decimal  
8
24  
13  
IBM Command  
Emphasized Printing On  
Emphasized Printing Off  
Enhanced Printing On  
Enhanced Printing Off  
Form Feed  
Form Length  
n inches  
n = 1 to 255  
n lines  
ASCII  
ESC E  
ESC F  
ESC G  
ESC H  
FF  
Decimal  
27 69  
27 70  
27 71  
27 72  
12  
DC2  
ESC :  
ESC g  
18  
27 58  
27 103  
ESC SI, or SI 27 15, or 15  
ESC C NUL n 27 67 0 n  
ESC q 0  
ESC q 1  
ESC q 2  
ESC q 3  
27 113 48  
27 113 49  
27 113 50  
27 113 51  
n = 1 to 255  
Horizontal Tab, Execute  
ESC C n  
HT  
27 67 n  
9
ESC W 1  
ESC W 0  
SO  
27 87 49  
27 87 48  
14  
Off  
for One Line  
User’s Guide: English  
117  
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IBM Proprinter X24e / XL24e and IBM X24e AGM / XL 24e AGM Commands  
(Continued)  
IBM_3.doc  
IBM_4.doc  
IBM Command  
IBM Character Set  
Select Set I  
Select Set II  
Print One Character from  
ASCII  
Decimal  
IBM Command  
Line Spacing  
Set Spacing to 1/8"  
Set Spacing to 7/72"  
Set to n/60": AGM only  
(n = 1 to 255)  
Set to n/72": PPR only  
(n = 1 to 255)  
Activate Spacing Set  
by ESC A n  
ASCII  
Decimal  
ESC 7  
ESC 6  
27 55  
27 54  
ESC 0  
ESC 1  
27 48  
27 49  
IBM Set III (n = 0 to 255) ESC ^ n  
27 94 n  
27 37 71  
27 37 72  
ESC A n  
ESC A n  
ESC 2  
27 65 n  
27 65 n  
27 50  
Italic Printing On  
Italic Printing Off  
Line Feed, Execute  
w/ Carriage Return  
n/180" AGM only  
(n = 1 to 255)  
n/216" PPR only  
(n = 0 to 255)  
n/360" (n = 0 to 255)  
Reverse  
ESC % G  
ESC % H  
LF  
10  
Set to n/180”: AGM only  
(n= 1 to 255)  
Set to n/216”: PPR only  
(n= 1 to 255)  
ESC 3 n  
27 51 n  
ESC J n  
ESC J n  
ESC% 4 n 27 37 52 n  
ESC ]  
27 74 n  
27 74 n  
ESC 3 n  
27 51 n  
27 37 56 n  
Set to n/360” (n= 1 to 255) ESC % 8 n  
27 93  
Auto Line Feed On  
Auto Line Feed Off  
ESC 5 1  
ESC 5 0  
27 53 49  
27 53 48  
118  
Microline 390/ 391Turbo/ n  
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IBM Proprinter X24e / XL24e and IBM X24e AGM / XL 24e AGM Commands  
(Continued)  
IBM_5.doc  
IBM_6.doc  
IBM Command  
Overscore On  
Overscore Off  
ASCII  
ESC _ 1  
ESC _ 0  
ESC 8  
Decimal  
27 95 49  
27 95 48  
27 56  
IBM Command  
Skip Over Perforation On  
(n = 1 to 255)  
Skip Over Perforation Off  
Software I-Prime  
Stop Printing  
Subscript On  
Superscript On  
ASCII  
ESC N n  
Decimal  
27 78 n  
ESC 0  
ESC } NUL  
ESC j  
ESC S 1  
ESC S 0  
ESC T  
27 79  
Paper Out Sensor Off  
Paper Out Sensor On  
Print Quality / Font  
Select LQ Roman  
Select LQ Swiss  
Select LQ Courier  
Select LQ Prestige  
Select LQ Orator  
27 125 0  
27 106  
27 83 49  
27 83 48  
27 84  
ESC 9  
27 57  
ESC k 0  
ESC k 1  
ESC k 2  
ESC k 3  
ESC k 7  
27 107 48  
27 107 49  
27 107 50  
27 107 51  
27 107 55  
Subscript/Superscript Off  
Top of Form, Set at Current  
Position  
ESC 4  
27 52  
Underline Printing On  
Underline Printing Off  
Uni-Directional Print On  
Uni-Directional Print Off  
Vertical Tab, Execute  
ESC - 1  
ESC - 0  
ESC U 1  
ESC U 0  
VT  
27 45 49  
27 45 48  
27 85 49  
27 85 48  
11  
Print Suppress Mode On ML390T  
ESC Q $  
27 81 36  
ML391T  
ESC Q #  
Print Suppress Mode Off DC1  
Proportional Spacing On ESC P 1  
Proportional Spacing Off ESC P 0  
27 81 35  
17  
27 80 49  
27 80 48  
User’s Guide: English  
119  
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Index  
Acoustic Cover, Part Number 111  
Alarm  
ALARM flashing 18, 33, 94  
ALARM lit 18  
ALARM lit, CPI 10 flashing 94  
ALARM lit, CPI 15 flashing 95  
Alignment problems 12  
ASCII Test 36  
Auto Carriage return 79  
Auto CR+ 77  
Bottom Feed 99, 100, 101  
Form Tear-Off 75  
Line Spacing 75  
Pull Tractor (Option) 110  
Skip Over Perforation 75  
BRASC II 74, 79  
Brazil 106  
British (Language) 74  
Buffer  
Clearing 19, 80  
Symbols  
0 character (slashed, unslashed) 74, 81  
10 cpi (Front Panel Light) 18, 65  
12 cpi (Front Panel Light) 18, 65  
120 volt printer 101  
15 cpi (Front Panel Light) 18, 65  
17 cpi (Front Panel Light) 18, 65  
20 cpi (Front Panel Light) 18, 65  
230 or 240 volt printer 101  
Auto LF (Line Feed) 77, 79  
Auto Select 77  
Print 80  
Receive Buffer Size 76, 81, 97  
A
ABICOMP 74, 79  
B
C
Access  
Controlling access to the printer 12  
Access Cover, Part Number 111  
Accessories 109, 110  
Part Numbers 110  
Backward  
Movement through Menu 10  
Bar Codes 98  
Cable  
Length (Parallel) 41  
Network Cable 40  
Parallel 41  
Bi-directional  
Purchasing 109  
Communications 41  
Printing 76, 80  
Shielded, Parallel 41  
Canada  
126  
Microline 390/ 391 Turbo/ n  
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Service 105, 107  
Service Center (Oki Data) 106  
Canadian French 74, 79  
Carbon Forms 58  
Carbonless continuous forms 99, 100  
Cardstock 99, 100  
Expanded printhead gap 59  
Centering 77, 79  
Code Page Character Set 79  
Codes, Printer Control 113  
Commands  
Epson LQ 114, 115, 116  
IBM Proprinter  
X24e / XL24e 117  
X24eAGM / XL24e AGM 117  
Compatibility 14  
Pins (graphic) 30  
Rear Feed 16  
Reference Mark 31  
Single-part forms 30, 99, 100  
Control Codes 113  
Correspondence, Print Quality 63  
Costs, Cutting 9  
Courier  
Printhead Position 94  
Centronics parallel interface 97  
Character Pitch 80  
Connecting the Network Cable  
Network, connecting the cable  
cable, network 39  
Font / Typeface 64, 97  
Front Panel Light 18  
Covers, Part Numbers 111  
cpi 10 flashing, ALARM lit 94  
cpi 15 flashing, ALARM lit 95  
Cut Sheet Feeder 110  
Cut Sheet Paper 99, 100  
Cutting Costs. See Money, Saving  
Front Panel key 19  
Consumables  
Indicator Lights 18  
Key doesn't work 95  
Selecting 65  
Character Set 74, 79  
Character Width 80  
Characters  
Part Numbers 110, 112  
Ribbon Cartridge 110  
Ribbon Life 98  
Contact Information for Oki Data 2  
Contents list, unpacking the printer 24  
Continuous Feed  
D
Italics 81  
Carbonless Forms 99, 100  
Changing to single-sheet feed 57  
Extra-thick forms 58  
Interleaf continuous forms 99, 100  
Paper 95  
Danish (Language) 74  
Data  
Printing large amounts 65  
DC1 code 81  
DC3 code 81  
Depth of printer 101  
Proportional Spacing 81  
Special for languages 80  
Characters Per Second (CPS) 14  
Cleaning the printer 83  
Code 128 98  
Paper Park 19  
Code 39 98  
User’s Guide: English  
127  
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Environmental Requirements 101  
Epson LQ  
Commands 114, 115, 116  
Emulation Mode 67, 74  
Error Conditions  
Resident 97  
Scalable 97  
Selecting 80  
Size 65, 74, 97  
Style 74  
Detergent, cleaning the housing 83  
Documents, Print Quality 63  
Drivers  
Oki Data Web Site 69  
Operating Systems 69  
Dutch (Language) 74  
ALARM blinks 18  
ALARM glows 18  
Wrong fonts print 41, 68, 93  
Forms  
European Union Council of the  
European Communities 125  
Expanded Printhead Gap 59  
Continuous  
E
Carbonless 99, 100  
Interleaf 99, 100  
Single-part 99, 100  
Multipart and Printhead Gap 58  
Narrow width 94  
Thick 59  
Thickness ranges 14  
Zero-Tear 14  
Forms Tear-Off 79  
Automatic 53  
E-mail address for Oki Data 2  
EAN 13 98  
EAN 8 98  
Efficiency. See Time, Saving  
Electrical Requirements 101  
Electromagnetic Conformance 125  
Emulation 67, 74  
F
Factory Defaults  
Menu Mode 72  
FCC (Federal Communications  
Commission) 123  
FF/LOAD (Front Panel Key) 19  
Font 74  
Embedded Printer Commands 93  
Font Sample Test 19, 35  
Front Panel Lights 18  
PRINT QUALITY key 19  
Changing 67  
Choices 41, 67, 97  
Matching the printer driver 93  
Mode 74, 79  
Bottom Feed 75  
Changing 52  
Manual 54  
Envelopes 32  
Continuous Feed 99, 100  
Printhead Gap Setting 58  
Single Feed 99, 100  
128  
Microline 390/ 391 Turbo/ n  
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OFF  
TEAR key 55  
Top of Form 47  
ON  
TEAR key 55  
Top of Form 45  
Rear Feed 75  
Saving money with 9  
Status (ON or OFF) 44  
TEAR key 19, 53  
Top of Form 44  
Font 64, 97  
Utility Print Quality 63  
Front Panel Light 18  
Graphics  
Printing 79  
IBM  
Character Set 79  
Commands  
Proprinter X24e / XL24e 117  
Proprinter X24eAGM / XL24e  
AGM 117  
Bi-directional 76  
Uneven print registration  
51, 52, 53  
Emulation 74  
AGM 67, 74  
Proprinter (PPR) 67, 74  
IBM 437 79  
IBM 850 79  
IBM 860 79  
Uni-directional 76  
Resolution 97  
GROUP, Menu Mode 70  
Wait Time 81  
French (Language) 74  
French Canadian (Language) 74  
Front Panel  
Keys 12, 19, 77  
Alternate Functions 19  
Won't work 12, 77, 80  
Lights 18  
H
IBM 863 79  
IBM 865 79  
IC. See Industry Canada  
IEEE-284 97  
Impact Dot Matrix 96  
Industry Canada 124  
Initialization string 92  
Initialize the printer 66  
Installation  
Local printer 37  
Network Printer 39  
Printer Software 37, 38  
Height  
Double height printing 81  
of Printer 101  
Help. See Service and Support  
Humidity  
Operating 101  
Storage 101  
Menu Mode 70  
G
I
German (Language) 74  
Gothic  
I-Prime 78, 80, 92  
User’s Guide: English  
129  
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Installation Customization 22  
Interface 97  
Parallel 41  
L
Bottom Feed 75  
Rear Feed 75  
Top Feed 76  
Labels 99, 100  
Paper Park 56  
Serial Interface (Option) 110  
Interleaf Continuous Forms 99, 100  
Interleaved 2 of 5 98  
Internet 13  
Local printer installation 37  
Lock Lever (graphic) 30  
Printhead Gap Setting 58  
Language 74, 80  
LatinAmerica  
M
Language 74  
Locating a service center 106  
Service 108  
Length, Page  
Bottom Feed 75  
Control, Top Feed 76  
Rear Feed 75  
Top Feed 76  
Letter Quality (LQ) 63, 97  
Front Panel Light 18  
Print Speeds 14  
Oki Data Web Site  
Mailing address for Oki Data 2  
Maintenance  
2, 104, 106, 108  
Saving time with 10  
Invalid (I-Prime command) 80  
Italian (Language) 74  
Italic 74, 81  
Item, Menu Mode 70  
Explanations of Items 79, 80, 81  
Settings 70  
Cleaning the printer housing 83  
Replacing the ribbon cartridge 82  
Margin, Bottom 76, 79  
Mean Time Between Failures (MTBF)  
14, 98  
Mean Time to Repair (MTTR) 98  
Memory, Receive Buffer size  
76, 81, 97  
J
Memos 32  
Letterhead 32  
Japanese (Language) 74  
K
MENU light 70  
LF (Line Feed) Front Panel key 19  
Lights  
Front Panel 18  
Print Quality 64  
Limited Operation 12, 80, 95  
Line Spacing 80  
Keys, Front Panel 19  
130  
Microline 390/ 391 Turbo/ n  
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Menu Mode 70  
Changing Settings 73  
Entering 71  
N
Part Numbers 110  
Purchasing 109  
Orator  
Network  
Printer Installation 39  
Cable 39  
software 39  
Exiting 71  
Front Panel keys 70  
Group 70  
Font / Typeface 64, 97  
Front Panel Light 18  
Out of Paper 18  
Norwegian 79  
Code Page 74  
Language 74  
Item 70  
P
Explanations 79, 80, 81  
Losing setting changes 73  
MENU light 70  
Moving through 10, 71  
Printing the Menu Settings 72  
Reset to factory defaults 72  
Saving time 10  
SEL and SHIFT keys 19  
SEL on power up 19  
Set (Item Setting) 70  
Settings Table 74, 75, 76, 77, 78  
Mexico 106  
Microline Reference Manual 113  
Money, Saving 9  
Moving through the menu 10  
MSDS. See Material Safety Data Sheet  
Multilingual 74, 79  
my.okidata.com 42, 104  
Packing for Shipment 25  
Page Length 80  
Bottom Feed 75  
Rear Feed 75  
O
Off-line, SEL key 19  
Oki Data  
e-mail address 2  
Top Feed 76  
Page Width 80  
Latin America Information 106  
Mailing address 2  
Service Centers 106  
Telephone 105, 106, 109  
Web Site 2  
On-line, SEL key 19  
Operating Systems 69  
Operator Panel Function 95  
Options 109  
Bottom Feed 75  
Rear Feed 75  
Setting in the Printer Menu 76, 80  
Top Feed 76  
Paper  
1" (25 mm) remains 80  
Continuous Feed  
Alignment 31  
Rear Feed 30  
Cut Sheet 110  
Descriptions 110  
User’s Guide: English  
131  
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Feeding 14  
Loading 30  
Paper Out Override 76, 80  
Roll Paper 110  
Single Sheet 30, 32  
Specifications  
ML390 Turbo 99  
ML391 Turbo 100  
Static 95  
QUIET key 19  
Part Numbers 110  
Purchasing 109  
Perforation, Skip over 75, 81  
Pin 14 79  
Pin 18 78, 80  
Pitch, Character 74, 80  
Platen Knob  
Operation Tip 12  
Part Number 111  
Port  
Logical Port 37  
Parallel 37, 41  
Roll Paper Stand (Option) 110  
Single-sheet to continuous-feed 57  
Switching feed paths 57  
TEAR key 19  
Paper Jams 95  
ALARM glows, 15 cpi blinks 18  
Continuous feed 95  
Rear Feed 84  
Rear Feed, repetitive 86  
Single Sheet 89  
Thickness 101  
Types, and Printhead Gap 58  
Weight 99, 100  
Widths 99, 100  
Paper Lever 94  
ALARM glows, 10 cpi blinks 18  
REAR feed position (graphic) 30  
Paper Out 95  
Portugal 74, 79  
Postnet 98  
Power  
Setting in the Printer Menu  
76, 80  
Paper Feed  
Paper Park 56  
Labels 56  
Saving time with 10  
Paper Path, Switching 57  
Paper Separator 95  
Connecting the printer to 29  
Front Panel Light lit 18  
Grounded Outlets 20, 120  
Nothing happens when printer is  
turned on 93  
Continuous to single-sheet feed 57  
Cut Sheet Feeder (Option) 110  
FF/LOAD key 19  
LF key 19  
PARK key 19  
Parallel Interface 41, 78  
I-PRIME Signal 92  
Power Rating 20, 120  
Prestige  
PARK Front Panel Key 19, 32  
Parts, Replacement 109  
132  
Microline 390/ 391 Turbo/ n  
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Font / Typeface 64, 97  
Front Panel Light 18  
PRINT, Menu Mode 70  
Print Method 96  
Print Mode 74, 80  
Print Quality  
Shift right 76  
Print Size 97  
Smallest 65  
Standard 65  
Size 101  
Temperature Specifications 101  
Weight 101  
Printer Control Codes 113  
Printer Drivers  
matching the emulation 93  
Obtaining 69  
Operating systems 69  
Selecting 41, 68  
Printer Parameters 70  
Printhead 96  
Centering position 79, 94  
Heat 121  
Print Speed 14, 96  
Fastest 65  
Medium (Utility) 63  
Slowest (LQ) 63  
Print Start Position  
Reset to factory default position 50  
Temporary adjustment 49  
Top of Form 43, 49, 50  
Print Suppress 77, 81  
Printer  
Dimensions 101  
Humidity Specifications 101  
Initialization 66  
Model Number 109  
Parameters 10  
Parts and Accessories 109, 110  
Printer vs. software settings 92  
Reset 19, 66  
ASCII Test 36  
CHARACTER PITCH key 19  
Font Sample Test 35  
Front Panel key 19  
Highest (LQ) 63  
Indicator Lights 18  
key doesn't work 95  
Medium (Utility) 63  
PRINT QUALITY key 19  
Print Speed 79  
Proportional Spacing 81  
Selecting 63, 80  
Software commands 63  
Print Registration 76, 80  
Forms Tear-Off 51, 52, 53  
Shift left 76  
Life 98  
New printhead 94  
Part Number 111  
Printhead Gap 14  
Definition 58  
Expanded 59  
Extra-thick continuous forms 58  
Setting 58  
Settings, and Media types 58  
Printing  
Serial Number 15  
User’s Guide: English  
133  
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Double width and height 81  
Embedded Commands 93  
High Speed 63  
Italics 81  
Problems  
Pull Tractor 14, 58, 101, 110  
Pull-Up Roller Assembly 111  
Push Tractor 14, 58, 101, 110  
Canada 124  
Europe 125  
United States 123  
Reliability 14, 98  
Replacement Parts 109, 110, 111  
Reset 77  
Q
Files don't print correctly 92  
Incorrect fonts print 41, 68, 93  
Printer doesn't print 93  
Smeared print 94  
QUIET  
Front Panel Key 19  
Front Panel Light 18  
Reset Code 92  
Reset Inhibit 81, 92  
the printer 66, 95  
Resolution (Graphics) 97  
Reverse  
Movement through Menu 10  
Ribbon Cartridge 110  
Installing / Replacing 26, 82  
Life 98  
New Ribbon Cartridge 94  
Part Number 112  
Ribbon Shield 27, 94  
Roll Paper Stand 110  
Rolling ASCII Test 19  
Roman  
Strange characters print 41, 68  
Strange symbols print 93  
Streaked printing 94  
Stopping 76, 81, 97  
Product Registration 42  
Productivity. See Money,  
Saving; Time, Saving  
Proof of Purchase 107  
PROP  
characters per inch (cpi) 65  
Front Panel Light 18  
Proportional Spacing 65, 74, 81  
Proprinter Commands  
X24e / XL24e 117  
R
Radio Interference Statement 123, 124  
Rear Feed 99, 100, 101  
Continuous Forms 16, 30  
Form Tear-Off 75  
Jams, Repetitive 86  
Line Spacing 75  
Paper Jam 84  
Skip Over Perforation 75  
Receive Buffer size 76, 81, 97  
Registration, Print 76, 80  
Registration, Product (Warranty) 42  
Regulatory Information  
Font / Typeface 64, 97  
X24eAGM / XL24e AGM 117  
Publisher (Language Set) 74  
134  
Microline 390/ 391 Turbo/ n  
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Front Panel Light 18  
RS-232C Serial Interface 97  
Service and Support 102  
Documentation 103  
General Information 102  
Internet Support 104  
Purchase Location 103  
Registering your product 42  
Telephone Support 105  
Service Centers  
Authorized Service Centers 106  
Oki Data 106  
Set, Menu Mode 70  
SHIFT Front Panel Key 19  
Shipping  
Size  
Double width and height 81  
of printer 101  
Skip Over Perforation 75  
Software  
Embedded commands 93  
Installation 37, 38  
Matching drivers to emulations 93  
Scalable Fonts 97  
Software vs. printer settings 92  
Solvents, cleaning 83  
Spanish (Language) 74  
Specifications 96  
S
Safety, General Information 120  
Saving Money. See Money, Saving  
Saving Time. See Time, Saving  
Security. control printer access 12  
SEL  
Front Panel Key 19  
Front Panel Light  
Flashes 18  
Lit 18  
Not Lit 18, 93  
Self Tests 34  
Serial Interface Option 93, 110  
Serial Number 15  
Restraints 25  
Saving the packing materials 25  
SI 77, 81  
Speed  
High Speed Printing 63  
Print Speed, graphics 79  
Spreadsheets, Character Pitch 65  
Standard Character Set 74  
Static charges and paper 95  
Stationery 32  
Service  
Single Sheet  
ALARM flashing 94  
Locating a service center 108  
Latin America 108  
United States 105, 107  
Machine Reliability 98  
Mean Time Between Failures  
(MTBF) 14, 98  
Change from continuous forms 57  
Change to continuous forms 57  
Cut Sheet Feeder (Option) 110  
Jams 89  
Loading 32  
Top Feed 17, 30  
Support 102  
Documentation 103  
General Information 102  
Internet Support 13, 104  
Purchase Location 103  
Mean Time To Repair (MTTR) 98  
User’s Guide: English  
135  
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Telephone Support 105  
Swedish (Language) 74  
Swiss  
Temperature Specifications 101  
Tests  
ASCII Test 36  
Setting 43  
Standard Setting  
32, 33, 43, 49, 50  
Font / Typeface 64, 97  
Front Panel Light 18  
Swiss Bold  
Font / Typeface 64, 97  
Symbol Sets 74, 80  
Font Sample Test 35  
Thickness, Paper 101  
Time Out 77, 81  
Temporary adjustment 49  
Tractor Covers 30  
Transparencies 99, 100  
Troubleshooting  
Aborting print jobs 76, 81, 97  
ALARM flashing 18, 94  
ALARM lit 18  
Time, Saving 10  
Top Feed 99, 100  
Bottom Margin 76  
Line Spacing 76  
T
Pull Tractor 110  
Single Sheet 17, 30  
Top of Form 79  
ALARM lit, 10 cpi flashing 18, 94  
ALARM lit, 15 cpi flashing 18, 95  
ALARM lit, no other lights 18  
Alignment problems 12  
Can't load paper 95  
Take-up Knob (Ribbon Cartridge) 27  
TEAR  
Front Panel key 19, 55  
Forms Tear-Off 53  
Forms Tear-Off OFF 55  
Forms Tear-Off ON 55  
TEAR feature 51  
does not work  
51, 52, 53, 54, 55  
Telephone  
Oki Data Support 105, 106, 109  
Latin America 106  
Decreasing the space 46, 48  
Forms Tear-Off 44  
Forms Tear-Off OFF 47  
Forms Tear-Off ON 45  
Increasing the space 46, 48  
Operation Tip 11  
Paper Shield 11, 43  
Reset to factory default 50  
Printer OFF 50  
Character Pitch Indicator Lights 18  
Data loss 79, 80, 81  
Printer ON 50  
136  
Microline 390/ 391 Turbo/ n  
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Embedded Printer Commands 93  
Emulation 93  
Extra paper movement 51, 52, 53  
Files don't print correctly 92  
Front Panel keys 19  
won't work 12, 77, 95  
Front Panel Lights 18  
Print Quality 64  
General Information 90  
Internet Support 90  
POWER lit 18  
Streaked printing 94  
Turn on the printer, nothing happens  
93  
Uneven print registration in graphics  
51, 52, 53  
Weather conditions 95  
Wrong fonts print 41, 68, 93  
Wrong printer driver 41, 68  
Typefaces 74. See Font  
Resident 98  
PRINT QUALITY and CHARACTER  
PITCH keys don't work  
12, 80, 95  
Print Quality front panel lights  
18, 64  
Print Registration 76  
Printer doesn't print 93  
Printer Drivers, current version 69  
Printhead Damage 79, 80  
Printhead moves too much 94  
QUIET lit 18  
List of Problems 91  
Selecting 64, 80  
Software commands 64  
Locating a service center 108  
Menu Setting changes are lost 73  
Narrow forms 94  
SEL  
U
flashing 18  
New ribbon 94  
Oki Data Suppport (Telephone)  
105, 106, 109  
Latin America 106  
Oki Data Suppport (Web Site)  
104, 106, 108  
lit 18  
not lit 18  
Self Tests 34  
Smeared printing 94  
Software settings vs. printer settings  
63, 64, 81  
Static charges 95  
Strange characters print 41, 68  
Uni-directional printing, graphics 76  
United States  
Service 105, 107  
Service Center (Oki Data) 106  
Unpacking your printer  
List of contents 24  
Paper jams, continuous feed 95  
Paper Out 95  
Perforation skip over 81  
User’s Guide: English  
137  
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UPC A 98  
UPC E 98  
Width  
Character 80  
USA 74, 79  
Utility  
Front Panel Light 18, 97  
Print Speeds 14  
Utility Mode Print Quality 63  
Double width printing 81  
Page (Bottom Feed) 75  
Page (Rear Feed) 75  
Page (Top Feed) 76  
Paper 99, 100  
Setting in the Printer Menu  
76, 80  
V
Printer 101  
www.okidata.com 104, 106, 108  
Volume  
High-volume print quality 63  
Y
W
Year 2000 (Y2K) 122  
Wait Time 76, 81  
Warranty  
Z
Proof of Purchase 107  
Registering your printer 42  
Web Site, Oki Data 2  
Weight  
Zero character (slashed, unslashed)  
74, 81  
Paper 99, 100  
Printer 101  
138  
Microline 390/ 391 Turbo/ n  
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