Laser printer
SERVICE
MANUAL
Published in Dec. ’01
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Safety precautions
This booklet provides safety warnings and precautions for our service personnel to ensure the safety of
their customers, their machines as well as themselves during maintenance activities. Service personnel
are advised to read this booklet carefully to familiarize themselves with the warnings and precautions
described here before engaging in maintenance activities.
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Safety warnings and precautions
Various symbols are used to protect our service personnel and customers from physical danger and
to prevent damage to their property. These symbols are described below:
DANGER: High risk of serious bodily injury or death may result from insufficient attention to or incorrect
compliance with warning messages using this symbol.
WARNING:Serious bodily injury or death may result from insufficient attention to or incorrect compliance
with warning messages using this symbol.
CAUTION:Bodily injury or damage to property may result from insufficient attention to or incorrect
compliance with warning messages using this symbol.
Symbols
The triangle ( ) symbol indicates a warning including danger and caution. The specific point
of attention is shown inside the symbol.
General warning.
Warning of risk of electric shock.
Warning of high temperature.
indicates a prohibited action. The specific prohibition is shown inside the symbol.
General prohibited action.
Disassembly prohibited.
indicates that action is required. The specific action required is shown inside the symbol.
General action required.
Remove the power plug from the wall outlet.
Always ground the printer.
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1. Installation Precautions
WARNING
• Do not use a power supply with a voltage other than that specified. Avoid multiple connections to
one outlet: they may cause fire or electric shock. When using an extension cable, always check
that it is adequate for the rated current. ............................................................................................
• Connect the ground wire to a suitable grounding point. Not grounding the printer may cause fire or
electric shock. Connecting the earth wire to an object not approved for the purpose may cause
explosion or electric shock. Never connect the ground cable to any of the following: gas pipes,
lightning rods, ground cables for telephone lines and water pipes or faucets not approved by the
proper authorities. .............................................................................................................................
CAUTION:
• Do not place the printer on an infirm or angled surface: the printer may tip over, causing injury. ....
• Do not install the printer in a humid or dusty place. This may cause fire or electric shock. ..............
• Do not install the printer near a radiator, heater, other heat source or near flammable material.
This may cause fire. ..........................................................................................................................
• Allow sufficient space around the printer to allow the ventilation grills to keep the machine as cool
as possible. Insufficient ventilation may cause heat buildup and poor copying performance. ..........
• Always handle the machine by the correct locations when moving it. ..............................................
• Always use anti-toppling and locking devices on printers so equipped. Failure to do this may
cause the printer to move unexpectedly or topple, leading to injury. ................................................
• Avoid inhaling toner or developer excessively. Protect the eyes. If toner or developer is
accidentally ingested, drink a lot of water to dilute it in the stomach and obtain medical attention
immediately. If it gets into the eyes, rinse immediately with copious amounts of water and obtain
medical attention. ..............................................................................................................................
• Advice customers that they must always follow the safety warnings and precautions in the
printer’s instruction handbook. ..........................................................................................................
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2. Precautions for Maintenance
WARNING
• Always remove the power plug from the wall outlet before starting machine disassembly. .............
• Always follow the procedures for maintenance described in the service manual and other related
brochures. .........................................................................................................................................
• Under no circumstances attempt to bypass or disable safety features including safety
mechanisms and protective circuits. .................................................................................................
• Always use parts having the correct specifications...........................................................................
• Always use the thermostat or thermal fuse specified in the service manual or other related
brochure when replacing them. Using a piece of wire, for example, could lead to fire or other
serious accident. ...............................................................................................................................
• When the service manual or other serious brochure specifies a distance or gap for installation of a
part, always use the correct scale and measure carefully. ...............................................................
• Always check that the printer is correctly connected to an outlet with a ground connection. ...........
• Check that the power cable covering is free of damage. Check that the power plug is dust-free. If
it is dirty, clean it to remove the risk of fire or electric shock. ............................................................
• Never attempt to disassemble the optical unit in machines using lasers. Leaking laser light may
damage eyesight...............................................................................................................................
• Handle the charger sections with care. They are charged to high potentials and may cause
electric shock if handled improperly. .................................................................................................
CAUTION
• Wear safe clothing. If wearing loose clothing or accessories such as ties, make sure they are
safely secured so they will not be caught in rotating sections. .........................................................
• Use utmost caution when working on a powered machine. Keep away from chains and belts. .......
• Handle the fixing section with care to avoid burns as it can be extremely hot. .................................
• Check that the fixing unit thermistor, heat and press rollers are clean. Dirt on them can cause
abnormally high temperatures. .........................................................................................................
• Do not remove the ozone filter, if any, from the printer except for routine replacement. ..................
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• Do not pull on the AC power cord or connector wires on high-voltage components when removing
them; always hold the plug itself. ......................................................................................................
• Do not route the power cable where it may be stood on or trapped. If necessary, protect it with a
cable cover or other appropriate item. ..............................................................................................
• Treat the ends of the wire carefully when installing a new charger wire to avoid electric leaks. ......
• Remove toner completely from electronic components. ...................................................................
• Run wire harnesses carefully so that wires will not be trapped or damaged. ...................................
• After maintenance, always check that all the parts, screws, connectors and wires that were
removed, have been refitted correctly. Special attention should be paid to any forgotten
connector, trapped wire and missing screws. ..................................................................................
• Check that all the caution labels that should be present on the machine according to the
instruction handbook are clean and not peeling. Replace with new ones if necessary. ...................
• Handle greases and solvents with care by following the instructions below: ....................................
· Use only a small amount of solvent at a time, being careful not to spill. Wipe spills off completely.
· Ventilate the room well while using grease or solvents.
· Allow applied solvents to evaporate completely before refitting the covers or turning the main
switch on.
· Always wash hands afterwards.
• Never dispose of toner or toner bottles in fire. Toner may cause sparks when exposed directly to
fire in a furnace, etc. .........................................................................................................................
• Should smoke be seen coming from the printer, remove the power plug from the wall outlet
immediately. ......................................................................................................................................
3. Miscellaneous
WARNING
• Never attempt to heat the drum or expose it to any organic solvents such as alcohol, other than
the specified refiner; it may generate toxic gas.................................................................................
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Contents
Chapter 1
1-1 Printer specifications .......................................................................................................................................1-3
1-2 Names of parts ................................................................................................................................................1-6
1-3 Safety information............................................................................................................................................1-7
1-4 Environmental requirements..........................................................................................................................1-10
1-5 About the toner container ..............................................................................................................................1-14
Chapter 2
2-1 Unpacking........................................................................................................................................................2-3
2-2 Installing the printer .........................................................................................................................................2-4
2-3 Using the operator panel ...............................................................................................................................2-15
Chapter 3
3-1 Maintenance/Adjustments ...............................................................................................................................3-3
Chapter 4
4-1 Electrophotographic system ............................................................................................................................4-3
4-2 Paper feeding system ....................................................................................................................................4-15
4-3 Electrical control system ................................................................................................................................4-18
Chapter 5
5-1 General instructions.........................................................................................................................................5-3
5-2 Disassembly ....................................................................................................................................................5-4
Chapter 6
6-1 Troubleshooting ...............................................................................................................................................6-3
Appendix A
Timing charts ........................................................................................................................................................ A-3
Wiring diagram...................................................................................................................................................... A-9
Appendix B
Status page........................................................................................................................................................... B-3
Appendix C
Parallel interface ................................................................................................................................................... C-3
USB interface........................................................................................................................................................ C-6
Serial interface (Optional) ..................................................................................................................................... C-7
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Chapter 1
P r o d u c t I n f o r m a t i o n
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Chapter 1 Contents
1-1 Printer specifications ...................................................................................................................... 1-3
1-1-1 Specifications ............................................................................................................................ 1-3
(1) Engine ................................................................................................................................. 1-3
(2) Controller ............................................................................................................................. 1-4
(3) Weight and dimensions ....................................................................................................... 1-4
(4) Power requirements............................................................................................................. 1-5
(5) Environmental requirements................................................................................................ 1-5
1-2 Names of parts ................................................................................................................................. 1-6
1-2-1 Name of parts ............................................................................................................................ 1-6
1-3 Safety information ........................................................................................................................... 1-7
1-3-1 Safety information ...................................................................................................................... 1-7
(1) Laser safety ......................................................................................................................... 1-7
(2) Laser notice ......................................................................................................................... 1-7
(3) Laser caution label on the scanner unit............................................................................... 1-7
(4) CDRH regulations (U.S.A.) .................................................................................................. 1-9
(5) Ozone concentration ........................................................................................................... 1-9
(6) Optional equipment ............................................................................................................. 1-9
(7) Important note on the interface connectors ......................................................................... 1-9
1-4 Environmental requirements ........................................................................................................ 1-10
1-4-1 Environmental conditions......................................................................................................... 1-10
(1) Clearance .......................................................................................................................... 1-11
(2) Places to avoid .................................................................................................................. 1-12
(3) Note on power ................................................................................................................... 1-12
(4) Removing the printer ......................................................................................................... 1-13
1-5 About the toner container ............................................................................................................. 1-14
1-5-1 Toner container ........................................................................................................................ 1-14
(1) Toner container handling ................................................................................................... 1-14
(2) Toner container storage ..................................................................................................... 1-15
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1-1 Printer specifications
1-1-1 Specifications
(1) Engine
Item
Specification
Electrophotography laser scan
14 pages/min. (A4)
Print method
Print speed (when printing
multiple pages)
15 pages/min. (Letter)
Resolution (dpi)
Fast 1200 mode (1800 horizontal/600 vertical)
600 horizontal/600 vertical
KIR (Kyocera Image Refinement)
22 seconds or less
Smoothing
First print (A4 or letter, 23 °C),
depends on input data
Warm-up time at 23 °C
Maximum duty cycle (A4)
Process unit life expectancy
Developing
10 seconds or less (from sleep mode)
15 seconds or less (from power on)
100,000 pages of printing or 3 years, whichever reached first
Mono component developer
Visible laser
Laser diode
Main charger
Scorotron positive charging
Negative charger roller
Transferring
Separation
Curvature separation
Drum cleaning
Blade
Drum discharging
Fuser
Eraser lamp (LED array)
Heat roller and press roller
Plain paper: Legal to A5
Paper
Capacity of paper feed trays
(80 g/m2 [0.11 mm thickness])
Capacity of output trays
(80 g/m2 [0.11 mm thickness])
Cassette: 250 sheets, MP tray: 50 sheets
Face-up: 30 sheets, Face-down: 150 sheets
FS-1010
1-3
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(2) Controller
Item
Specification
PowerPC405/200MHz
CPU
System ROM
4 MB Flash DIMM
Font ROM
2 MB (16 M bit × 1)
Optional font ROM (Dip socket)
Main (Video) RAM
Expanding RAM (DIMM slot × 1)
1 MB (Optional KPDL2 Upgrade kit)
16 MB (Standard-equipped on main board)
Maximum 144 MB (Including the standard 16 MB main RAM)
(Accepts any of 16/32/64/128 MB DIMM)
Parallel: High-speed, bidirectional (IEEE1284)
USB: Revision 1.1 standards
Host interface
Serial: Optional serial interface board, RS-232C/RS-422A,
Max. speed: 115.2 Kbps
KUIO-LV (3.3 V): Optional network interface card
Prescribe 2e
Page description language
Standard emulation modes
PCL6, Diablo 630, IBM proprinter X24E, Epson LQ850, Line
printer, KPDL2
(3) Weight and dimensions
Item
Specification Item
378 mm (147/8 inches)
222 mm (83/4 inches)
375 mm (143/4 inches)
9.5 Kg (2015/16 lb.)
S
Main unit (excl. protrusions)
Width:
Height:
Depth:
Weight:
FS-1010
1-4
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(4) Power requirements
Item
Specification Item
220 to 240 V AC ±10 %, 50/60 Hz ±2 %/3.8 A
(European countries)
S
Voltage/current requirement
120 V AC ±10 %, 60 Hz ±2 %/7.1 A (U.S.A/Canada)
Normal operation: 265 W
Watts
Maximum: 818 W
Standby: 13 W
Sleeping: 5 W (220 to 240 V model), 6 W (120 V model)
(5) Environmental requirements
Item
Specification Item
S
Operating temperature and
humidity
10 to 32.5 °C (50 to 90.5 °F), 20 to 80 %RH
Maximum altitude
2,000 m (6,500 feet)
Noise emission (Excluding peaks, 50 dB (A) maximum/28 dB (A) at standby/unmeasureably low
measured at 1 m from printer,
as per ISO7779)
at sleeping)
FS-1010
1-5
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1-2 Names of parts
1-2-1 Name of parts
3
2
1
4
8
5
7
6
9
!
0
@
#
1 Top cover
8 MP tray
2 Face-down output tray
3 Face-up output tray
4 Side cover
9 Option interface slot cover
0 Parallel interface connector
! USB interface connector
@ Power switch
5 Operator panel
6 Front cover
# AC inlet
7 Paper cassette
Figure 1-2-1 Name of parts
FS-1010
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1-3 Safety information
1-3-1 Safety information
(1) Laser safety
This printer is certified as a Class 1 laser product under the U.S. Department of Health and Human
Services (DHHS) Radiation Performance Standard according to Radiation Control for Health and
Safety Act of 1968. This means that the printer does not produce hazardous laser radiation. Since
radiation emitted inside the printer is completely confined within protective housings and external
covers, the laser beam cannot escape from the printer during any phase of user operation.
(2) Laser notice
This printer is certified in the U.S. to conform to the requirements of DHHS 21 CFR Subchapter for
Class I (1) laser products, and elsewhere is certified as a Class I laser product conforming to the
requirements of IEC 825.
(3) Laser caution label on the scanner unit
The laser scanner unit has the following label affixed atop. Observe these cautionary statements
and figures when handling the laser scanner unit.
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WARNING
Use of controls or adjustments or performance of procedures other than those
specified herein may result in hazardous radiation exposure.
Label on the scanner unit (Inside the printer)
Label on the left cover rear side
European countries U.S.A/Canada
Label on the fuser unit
Figure 1-3-1 Caution labels
FS-1010
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(4) CDRH regulations (U.S.A.)
The Center of Devices and Radiological Health (CDRH) of the U.S. Food and Drug Administration
implemented regulations for laser products on August 2, 1976. These regulations apply to laser
products manufactured after August 1, 1976. Compliance is mandatory for products marketed in
the United States. A label indicating compliance with the CDRH regulations must be attached to
laser products marketed in the United States.
(5) Ozone concentration
The printers generate ozone gas (O3) which may concentrate in the place of installation and cause
an unpleasant smell. To minimize concentration of ozone gas to less than 0.1 ppm, we recommend
you not to install the printer in a confined area where ventilation is blocked.
(6) Optional equipment
The printer may be optionally installed with the following units:
• PF-17 Paper feeder (250 sheets)
• Serial interface board
• Network interface card
• Memory card
(7) Important note on the interface connectors
Be sure to turn off printer power before connecting or disconnecting an interface cable to the printer.
For protection against static discharge which may be applied to the printer’s internal electronics
through the interface connector(s), keep any interface connector which is not in use capped using
the protective cap supplied.
FS-1010
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1-4 Environmental requirements
1-4-1 Environmental conditions
The Environmental requirements section on page 1-5 should be observed to ensure the optimum
operation of the printer. The use of the printer in a location which does not satisfy the requirements
may result in troubles and risk shortening its service life.
The printer will work best if it is installed in a location that is:
• Level and well supported (Place the printer on a table or desk.)
• Not exposed to sunlight or other bright light (not next to an uncurtained window). Do not place
the printer on an unstable cart, stand or table.
• Near an AC wall outlet, preferably one that can be used for the printer alone. The outlet should
have a ground slot, or an adapter should be used. If you use an extension cord, the total length of
the power cord plus extension cord should be 17 feet or 5 meters or less.
• Well ventilated, not too hot or cold, and not too damp or dry (See section Environmental
requirements on page 1-5). If you install the printer where the temperature or humidity is outside
the requirements in section Environmental requirements in chapter 1, the best print quality may
not be expected and there will be an increased chance of paper jams.
• Provide a sufficient clearances around the printer to ensure ventilation and ease of access. (See
section Clearance on next page).
FS-1010
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(1) Clearance
Allow the necessary minimum clearance on all sides of the printer as diagrammed below.
5
4
1
2
3
Figure 1-4-2 Clearances
Ref.
1
Clearance
Left
Dimensions
25 cm (9-7/8 inches)
50 cm (19-11/16 inches)
25 cm (9-7/8 inches)
40 cm (15-3/4 inches)
30 cm (11-13/16 inches)
2
Front
3
Right
4
Back
5
Above
FS-1010
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(2) Places to avoid
Avoid installing the printer in locations exposed to:
• Direct drafts of hot or cold air.
• Direct drafts of outside air. (Avoid locations next to outside doors.)
• Sudden temperature or humidity changes.
• Any source of high heat, such as a radiator or stove.
• Excessive dust. Dust and smoke may cause contamination on the laser scanner window, causing
print quality problem.
• Vibration.
• Ammonia fumes or other harmful fumes. (In case of fumigating the room or saturate it with
insecticide, remove the printer first.)
• Avoid greenhouse-like rooms. (Because of sunlight and humidity.)
• Avoid enclosed spaces that block ventilation.
• Avoid sites more than 6,500 feet or 2,000 meters above sea level.
(3) Note on power
Use only the power source voltage conforming to the printer’s rated power voltage. Do not use
other power sources.
• Disconnect the printer from the power source before attempting removal or replacement of an
electrical component or a printed-circuit board.
• The printer should not be connected to a power source until the instruction is given to do so
when performing tests described in this manual.
• In connecting the printer power, exercise an extreme care in handling the power supply or any
other electric parts which may give an electric shock.
• Before performing maintenance or repair, power from both the power source and the associated
peripheral devices (computer, sorter, etc.) should be disconnected, unless otherwise specified.
• To avoid possible electrical shock, extreme caution must be exercised in handling the power
cord and any other electrical part.
• An easily accessible socket outlet must be provided near the equipment.
WARNING
As the disconnect device is not incorporated in the printer’s AC primary
circuit, an easily accessible socket outlet must be provided near the equipment.
FS-1010
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(4) Removing the printer
Observe the following precautions in removal and transportation of the printer.
• Be sure to repack the printer in its original carton.
• Do not leave the printer, toner container, process unit and other printer modules inside a vehicle
if the outdoor temperature is more than 25 °C. As unexpectedly high temperature may develop
inside when a vehicle is parked for a long period of time, the drum, toner container, process unit
and the supplies should be removed from the vehicle. The vehicle during transportation should
be parked in the shade or with the window open to allow minimum air circulation or the adequate
air conditioning should be made.
• Should the printer be left in a vehicle, it may not be exposed to the temperature change of more
than 7 °C within 30 minutes.
• Before removing the printer to a warm place, wrap it in a blanket, etc., before crating it. Allow
approximately two to three hours after having moved after uncrated. Failure to observe the
above may result in moisture condensation which will affect the performance of the printer.
FS-1010
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1-5 About the toner container
1-5-1 Toner container
The printer should use a TK-17 toner kit. To ensure the high print quality and long service life, the
following handling precautions should apply.
CAUTION
As the Ecosys printers are designed to ensure the optimum print quality when
used with Kyocera’s proprietary toner, Kyocera do not recommend to use any
refilled toner containers that may be available commercially. This is because
Kyocera have no means of control over how such refilled toner could affect the
print quality and the reliability of the printer.
(1) Toner container handling
To loosen and mix the toner inside before use, with the label side down, thoroughly shake the toner
container 1 horizontally at least five times.
1
Figure 1-5-1 Toner container handling
CAUTION
Do not attempt to disassemble or refill the toner container.
FS-1010
1-14
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(2) Toner container storage
The toner contained in the container is susceptible to temperature and humidity. To ensure the high
print quality, store the toner container in a place that satisfies the following environmental conditions:
Temperature:
Humidity:
-20 to 40 °C (-4 to 104 °F)
15 to 90 % RH
NOTE
If the toner container is removed from the printer’s developer unit, put it in a
protective bag and keep it in a dark place.
CAUTION
If the printer is shipped for return, etc., do not ship it with the toner container
installed. Otherwise, toner may leak and contamination may result in the
printer.
FS-1010
1-15
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Chapter 2
Installation/Operation
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Chapter 2 Contents
2-1 Unpacking......................................................................................................................................... 2-3
2-1-1 Unpacking and inspection ......................................................................................................... 2-3
2-2 Installing the printer ........................................................................................................................ 2-4
2-2-1 Installing the toner container ..................................................................................................... 2-4
2-2-2 Expanding memory.................................................................................................................... 2-8
(1) Minimum memory requirements.......................................................................................... 2-8
(2) DIMM specifications ............................................................................................................ 2-8
(3) Notes on handling DIMM ..................................................................................................... 2-9
(4) Installing the DIMM............................................................................................................ 2-10
(5) Testing the expansion memory .......................................................................................... 2-11
(6) Installing the memory card (CompactFlash)...................................................................... 2-12
(7) Installing the network interface card .................................................................................. 2-14
2-3 Using the operator panel............................................................................................................... 2-15
2-3-1 Operator panel......................................................................................................................... 2-15
2-3-2 Remote operation panel .......................................................................................................... 2-16
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2-1 Unpacking
2-1-1 Unpacking and inspection
The package should contain the printer and the accessories as shown in the figure below. Remove
the printer and all the accessories from the package. For unpacking, place the box containing the
printer on a flat, stable surface. Remove the manuals, toner kit, and other items located on top of the
spacer and remove the spacer. Carefully remove the printer.
Toner container (TK-17)
Cleaning cloth
Printer
Installation guide
Kyocera Mita digital library
CD-ROM
Power cord
Figure 2-1-1 Unpacking (1)
Remove the tape on the rear side of the printer, and remove the two spacers and the printed notice
from the paper cassette.
Spacer
Spacer
Printed notice
Figure 2-1-2 Unpacking (2)
FS-1010
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2-2 Installing the printer
Installing the printer requires several steps. Proceed as follows in sequence. If the option paper
feeder is used with the printer, begin installation with connecting the printer and the paper feeder.
For details, refer to the optional Paper feeder’s Service Manual.
2-2-1 Installing the toner container
1. Open the top cover all the way.
2. Confirm that the lock lever #1 1 is in the release (forward) position. If not, pull it forward until
it is in the release position.
1
Figure 2-2-1 Confirming the lock lever #1
FS-1010
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3. Take the toner container 2 from the bag. Hold it with the protective seal 3 (orange-colored)
facing up. Shake the toner container 2 horizontally at least five times. This ensures that the
toner is evenly distributed inside.
2
Figure 2-2-2 Shaking the toner container
4. Carefully remove the protective seal 3.
3
Figure 2-2-3 Removing the protective seal
FS-1010
2-5
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5. Install the toner container 2 into the printer.
6. Push firmly on the top of the toner container 2 at the positions marked [PUSH HERE].
2
Figure 2-2-4 Installing the toner container
FS-1010
2-6
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7. Push the lock lever #1 1 to the lock position.
8. Close the top cover 4.
1
4
Figure- 2-2-5 Locking the toner container
NOTE
The printer is shipped from the factory with no toner supplied in its developer
(Process unit). When the printer is first switched on after the toner container is
installed in the manner above, there will be a delay of several minutes before
the printer gets ready to print a job.
This delay is necessary for the printer to fill the developer reservoir with a
sufficient amount of toner to continuously support a print job. The period of
time is approximately 15 minutes.
If the toner low or replace toner indication does not go off after installing the
new toner container, take the toner container out once, shake it well, then
install again.
FS-1010
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2-2-2 Expanding memory
The FS-1010 printer comes standard equipped with 16 MB of main memory on the main board.
Printer memory can be expanded to up to the maximum 144 MB (16 + 128 MB).
(1) Minimum memory requirements
Refer to the table below for minimum memory requirements in various environments.
Resolution
Printing environment (Emulation)
HP LaserJet 5P (factory setting)
300 dpi
2 MB
-
600 dpi
2 MB
HP LaserJet 5P with resource protection
10 MB
(2) DIMM specifications
Memory size in MB
Number of pins
Access speed
Parity
16, 32, 64, 128 MB
100 pins
66 MHz
None
Bus width
32 bits
FS-1010
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(3) Notes on handling DIMM
Before proceeding to install DIMM, read the following notes for handling the main board and
DIMMs:
• Protect the electronics by taking these precautions:
• Before touching a DIMM, touch a water pipe or other large metal object to discharge yourself
of static electricity. While doing the work, it is recommended that you wear an antistatic wrist
strap.
• Touch the main board and DIMM only by the edges, not in the middle.
Figure 2-2-6 Handling DIMM
FS-1010
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(4) Installing the DIMM
The main board of the printer is equipped with one socket for memory expansion. Expansion memory
is available in the form of DIMM (Dual In-line Memory Module).
CAUTION
Take precautions that no foreign substances such as metal chips or liquid get
inside the printer during the installation process. Operation of the printer during
the presence of a foreign substance may lead to fire or electric shock.
WARNING
Turn the printer’s power switch off. Unplug the printer’s power cable and
disconnect the printer from the computer or the network.
Remove the side cover 1 as shown in the figure below.
Step 2
Step 1
Remove
one screw.
1
1
Figure 2-2-7 Removing side cover
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Open the clips 2 on both ends of the DIMM socket 3. Insert the DIMM 4 into the DIMM socket
3 so that the notches on the DIMM align with the corresponding protrusions in the slot. Close the
clips 5 on the DIMM slot to secure the DIMM.
4
Step 2
Step 1
5
2
5
2
3
Figure 2-2-8 Inserting the DIMM
(5) Testing the expansion memory
After installing DIMM in the printer, test the printer to see if the installation has been successful. To
test the expansion memory, turn printer power on and print a status page. If the installation has been
successful, the Available Memory item of the status page will show the expanded memory size
corresponding to the amount of memory added.
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(6) Installing the memory card (CompactFlash)
The main board of the printer is equipped with one slot for memory card.
CAUTION
Take precautions that no foreign substances such as metal chips or liquid get
inside the printer during the installation process. Operation of the printer during
the presence of a foreign substance may lead to fire or electric shock.
WARNING
Turn the printer’s power switch off. Unplug the printer’s power cable and
disconnect the printer from the computer or the network. Never insert or
remove a memory card while the printer power is ON.
Failure to turn the power switch OFF will immediately halt the printer with a
Memory card err20message (this message may not always appear).
It also could result in any damage to the printer’s electronic parts or the
memory card. Turn the power switch ON again to restart the printer.
Remove the two screws 1 from the option interface slot cover 2 and remove the option interface
slot cover (or network interface card 3 or the serial Interface board) .
1
1
2
3
Figure 2-2-9 Removing the option interface slot cover
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Insert the memory card 4 in the slot. Insert as shown in the figure. Push it in all the way. Close and
secure the option interface slot cover (or network interface card or the serial Interface board) .
4
Figure 2-2-10 installing the memory card
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(7) Installing the network interface card
If the serial interface board kit is installed, remove it to use the network interface card.
CAUTION
WARNING
Take precautions that no foreign substances such as metal chips or liquid get
inside the printer during the installation process. Operation of the printer during
the presence of a foreign substance may lead to fire or electric shock.
Turn the printer’s power switch off. Unplug the printer’s power cable and
disconnect the printer from the computer or the network. Never insert or
remove a network interface card while the printer power is ON.
Remove the two screws 1 from the option interface slot cover 2 and remove the option interface
slot cover ( or the serial Interface board) .Insert the network interface card 3 in the slot. Insert as
shown in the figure. Push it in all the way. Secure the network interface card by using two screws
1.
1
1
2
3
Figure 2-2-11 installing the memory card
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2-3 Using the operator panel
This section provides explanation on how to use the printer’s operator panel for basic operation.
For details, refer to the printer’s User’s Manual.
2-3-1 Operator panel
The printer’s operation panel has the following LED indicators and keys. Note that adjustments to
the printer parameters made using these keys may be overridden by those made from within the
application software.
1
2
3
4
5
6
Figure 2-3-1 Operator panel
Table 2-3-1 Operator panel function
No.
Name
Function
1
On line indicator
Indicates whether the printer is on-line or off-line.
2
3
Data indicator
Indicates that the printer is receiving data.
Paper empty/
Paper jam indicator
Toner indicator
Cancel key
Indicates whether the paper cassette is empty or a paper jam has
occurred.
4
5
6
Flashes when toner is low, and light when toner is exhausted.
Stops printing when pressed.
Go key
• Switches the printer mode between on-line and off-line when
pressed. If you continued to press the key for 10 or more seconds,
service status page is printed.
• Switches between the MP tray and paper cassette when the paper
runs out.
• Prints out any unprinted page.
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2-3-2 Remote operation panel
The remote operation panel is a utility that allows you to make basic printer settings from the
computer connected to the printer or the network. For details on installation and usage, see the
printer’s User’s Manual contained as an electronic file in the CD-ROM supplied with the printer.
1
5
7
6
2
3
4
Figure 2-3-2 Remote operation panel
Table 2-3-2 Remote operation panel function
No.
Name
Function
1
Message display
Indicates printer status, the interface currently active, the
resolution, the paper size, the number of copies set in the current
interface, and error messages.
2
SETUP button
Makes connection settings and operation settings between the
printer and the computer.
3
4
5
CONNECT button
HELP button
GO button
Makes connection settings for new printers.
Displays help message.
Performs the same function as the printer’s Go key. Not displayed
with non-network connection.
6
7
MENU button
Displays printer settings and confirmation items.
Changes the printer 3D image in real time according to the printer’s
status. For example, if you open the printer’s top cover, the top
cover on the 3D image else open.
Monitor window
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Chapter 3 Maintenance/Adjustments
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Chapter 3 Contents
3-1 Maintenance/Adjustments .............................................................................................................. 3-3
3-1-1 Life expectancy of modules ....................................................................................................... 3-3
3-1-2 Toner container .......................................................................................................................... 3-4
(1) When to replace the toner container ................................................................................... 3-4
(2) Notes on changing toner container ..................................................................................... 3-4
(3) Toner container replacement ............................................................................................... 3-5
(4) Toner saver mode (EcoPrint) ............................................................................................... 3-6
3-1-3 Cleaning the printer ................................................................................................................... 3-7
(1) Cleaning the registration roller ............................................................................................ 3-8
(2) Cleaning the main charger wire........................................................................................... 3-8
3-1-4 Updating the firmware ............................................................................................................... 3-9
(1) Firmware program data format ............................................................................................ 3-9
(2) Downloading the firmware from the parallel interface ....................................................... 3-10
(3) Downloading the firmware from the memory card............................................................. 3-11
(4) Downloading errors ........................................................................................................... 3-12
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3-1 Maintenance/Adjustments
3-1-1 Life expectancy of modules
The table below shows the nominal life expectancy for modules. Detailed part information for each
module (except toner container) can be found in Parts Catalog.
Table 3-1-1 Life expectancy of modules
Kit
Module
Toner container
Process unit
Nominal life (pages)
6,000
Remarks
TK-17
PU-42
User-replaceable
User-replaceable
100,000
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3-1-2 Toner container
Assuming an average toner coverage of 5 % with EcoPrint mode turned off, the toner container
will need replacing approximately once every 6,000 printed pages.
Table 3-1-2 Toner container
Kit
Life in pages
TK-17
6,000
Based on letter or A4 size paper; average print density of 5 %.
NOTE
In the case of a new printer in which a toner kit has been installed for the first
time, the number of copies that can be printed will be approximately 3,000.
(1) When to replace the toner container
When the printer runs low on toner, the Toner indicator flashes on the operation panel. Be sure to
promptly replace the toner container and clean the inside of the printer when this message appears.
If the printer stops printing while the Toner indicator is lit, replace the toner container to continue
printing.
(2) Notes on changing toner container
Observe the following cautions when replacing the toner container:
• Do not attempt to disassemble the old toner container and reuse the waste toner inside.
• Keep magnetic media such as floppy disks away from the toner container.
• Be sure to clean the parts as instructed in this section at the same timing of replacing toner
container.
• Use of the toner kit TK-17 is highly recommended for the optimum operation of the printer.
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(3) Toner container replacement
To replace the toner container, open the top cover. Pull lock lever #1 1 to the release [UNLOCK]
position, then pull lock lever #2 2 to the release (right) position.
1
2
Figure 3-1-1 Releasing Lock levers #1 and #2
Gently remove the old toner container 3.
3
Figure 3-1-2 Removing the old toner container
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Put it in the supplied plastic bag 4 and dispose of it.
4
Figure 3-1-3 Disposal of the old toner container
NOTE
Although the toner container is made from non-harmful, flammable material,
be sure to dispose of it according to laws and regulations.
Proceed with the instructions provided in chapter 2, Installing the toner container on page 2-4 to
complete installation of the new toner container.
(4) Toner saver mode (EcoPrint)
The EcoPrint enables to reduce the amount of toner consumed on the page so as to save printing
costs by drastically extending the toner container life. EcoPrint mode is factory-set to off and
turned on by using the Remote Operation Panel (MENU) utility. For details refer to the printer’s
User’s Manual.
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3-1-3 Cleaning the printer
To avoid print quality problems, the following printer parts must be cleaned with every toner container
replacement.
To clean the printer, first, remove the process unit from the printer.
Open the top cover 1 and front cover 2. Lift the process unit 3 together with the toner container
out of the printer.
1
2
3
Figure 3-1-4 Removing the process unit
NOTE
The drum in the process unit is sensitive to light. Never expose the drum even
to normal office lighting (500 lux) for more than five minutes.
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(1) Cleaning the registration roller
Use the supplied wiper cloth 1 to clean dust and dirt away from the registration roller 2 (metal).
2
1
Figure 3-1-5 Cleaning the registration roller
(2) Cleaning the main charger wire
Slide the charger cleaner knob (green colored) back and forth 2 to 3 times, then return it to its
[CLEANER HOME POSITION].
1
1
Figure 3-1-6 Cleaning the main charger wire
After cleaning is done, install the process unit in the printer, using the reverse manner as above.
Close the front cover and top cover.
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3-1-4 Updating the firmware
Updating the system (controller) firmware is possible by downloading the firmware through the
parallel interface or through the memory card (CompactFlash). These firmware programs are directly
overwritten in the system DIMM [board KP-893] (Flash ROM type only) on the main board.
The operator panel message in different languages can also be downloaded through the parallel
interface or through the memory card (CompactFlash).
(1) Firmware program data format
Kyocera supplies the following types of data for updating firmware of the different purposes:
• System firmware
The data to be downloaded are supplied in the following format:
System firmware file name example
A94K8000.bcmp
compression
Boot program is included.
Version code: Version 80.00
ID code for Kyocera
Machine code: FS-1010 (A94)
Figure 3-1-9 Firmware program data format
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(2) Downloading the firmware from the parallel interface
This section explains how to download firmware data from the parallel interface. The printer system
can automatically recognize whether the data to be overwritten is for controller firmware.
CAUTION
Downloading the firmware takes several minutes. Do not turn power off during
downloading.
NOTE
MS-DOS is required for a downloading from the parallel interface. The
computer must be connected to the printer with a parallel cable.
1 Turn printer power on. Make sure the printer is ready.
2 At the DOS prompt, send the following command to the printer:
echo !R! UPGR “SYS”;EXIT;>prn
DOS COPY (/b) the data from the host computer to the printer.
3 Confirm that downloading was finished normally by the LED indicator. (See the table below.)
4 Turn power off.
5 Turn power on again. Check the printer gets ready.
Confirm the status page shows the new firmware version (See Service information on the status
page on page B-4). If downloading fails, the printer indicates an error display using the LED
indicators. To identify error, refer to the table on page 3-12.
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(3) Downloading the firmware from the memory card
To download data written in a memory card (CompactFlash) to the printer, proceed as explained in
this section.
CAUTION
NOTE
Downloading firmware takes several minutes. Do not turn power off during
downloading. If downloading is interrupted by an accidental power failure,
etc., the system DIMM may have to be replaced.
The firmware program data must be stored to the root directory of the memory
card (CompactFlash).
1 Turn power switch off.
2 Remove the two screws and then remove the slot cover. Insert the memory card in the printer’s
memory card slot.
Memory card
Screws
Slot cover
3 Turn power switch on.
4 The printers starts and finishes downloading automatically.
5 Confirm that downloading was finished normally by the LED indicator. (See the table below.)
6 Turn power off.
7 Remove the memory card and then secure the slot cover by using two screws.
8 Turn power on again. Check the printer gets ready.
Confirm the status page shows the new firmware version (See Service information on the status
page on page B-4). If downloading fails, the printer indicates an error display using the LED
indicators. To identify error, refer to the table on page 3-12.
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(4) Downloading errors
The following downloading errors are indicated on LED indicators when an error occurred during
downloading the firmware data.
Download finished
Download errors
normally
Cause
LED indicators
LED indicators
Description
Corrective action
Download
data error
Obtain normal firmware.
Deficit of a file header
Deficit of a data header
File checksum error
File header version error
Data header version error
Incompatibility of firmware
and system DIMM board
System
download error
Confirm whether the
firmware conforms to this
printer.
Convention
Replace the system DIMM
board.
Defective system DIMM
board
Red
Green
Meaning
Slow
flashing
Download
receiving error
Improper connection of
parallel cable between
PC and printer
Check the contact between
PC and printer’s interface
connector.
Fast
flashing
Lit
Defective parallel cable
Replace parallel cable.
Off
If the corrective action above does not solve the problem, replace engine board (KP-882). See page
5-11.
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Chapter 4 O p e r a t i o n O v e r v i e w
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Chapter 4 Contents
4-1 Electrophotographic system .......................................................................................................... 4-3
4-1-1 Electrophotographic cycle ......................................................................................................... 4-3
Process unit mechanism........................................................................................................... 4-4
(1) Main charging ...................................................................................................................... 4-5
Photo conductive drum ............................................................................................................. 4-5
Charging the drum .................................................................................................................... 4-6
(2) Exposure ............................................................................................................................. 4-7
Laser scanner unit .................................................................................................................... 4-8
Drum surface potential.............................................................................................................. 4-9
(3) Development ..................................................................................................................... 4-10
(4) Transfer ..............................................................................................................................4-11
(5) Fusing................................................................................................................................ 4-12
Fuser unit mechanism ............................................................................................................ 4-13
(6) Cleaning ............................................................................................................................ 4-14
4-2 Paper feeding system .................................................................................................................... 4-15
4-2-1 Paper feed control ................................................................................................................... 4-16
Paper feeding mechanism ...................................................................................................... 4-17
4-3 Electrical control system .............................................................................................................. 4-18
4-3-1 Electrical parts layout .............................................................................................................. 4-18
4-3-2 Operation of circuit boards ..................................................................................................... 4-19
(1) Main board ........................................................................................................................ 4-19
(2) Engine board ..................................................................................................................... 4-20
Eraser lamp control circuit ...................................................................................................... 4-21
Polygon motor control circuit .................................................................................................. 4-25
(3) Power supply board........................................................................................................... 4-26
(4) Bias board ......................................................................................................................... 4-27
(5) High voltage board ............................................................................................................ 4-28
Interlock switch ....................................................................................................................... 4-29
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4-1 Electrophotographic system
Electrophotography is the technology used in laser printing which transfer data representing texts
or graphics objects into a visible image which is developed on the photosensitive drum, finally
fusing on paper, using light beam generated by a laser diode.
This section provides technical details on the printer’s electrophotography system.
4-1-1 Electrophotographic cycle
The electrophotography system of the printer performs a cyclic action made of six steps as follows.
Each step is technically explained in the following sections.
Laser scaner unit
Process unit
1
Main charging
2
3
Exposure
Drum
6
Cleaning
Developing
4
Transfer
5
Fusing
Fuser unit
Figure 4-1-1 Electrophotographic cycle
The sections for main charging, exposure (drum), developing, and cleaning are modularized in one
Process unit PU-42.
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Process unit mechanism
2
3
Driving power train
)
A For drum (From main unit)
B For toner container, developing
roller, etc. (From main unit)
C For main unit (Transfer roller)
D For toner container
(
¤
&
^
⁄
0
9
8
7
6
4
%
D
A
‹
5
B
1
!
@
*
#
C
$
1 Main charger unit
2 Charger wire
3 Grid
9 Gear Z18-Z35H
0 MAG gear Z24H
! Mixer gear Z20 B
@ Mixer gear Z20 A
# DLP screw B
$ DLP screw A
% Drum
& Drum shaft
* Drum gear Z36
( Sweep gear Z13
) Idle gear 18H
⁄ Cleaning blade
¤ Sweep roller
4 Developing roller
5 Gear Z14-Z18
6 Gear Z14-Z36
7 Gear Z18-Z36
8 Free gear Z40
‹ Waste toner reservoir
^ Drum gear Z35H
Figure 4-1-2 Process unit mechanism
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(1) Main charging
Photo conductive drum
The durable layer of organic photoconductor (OPC) is coated over the aluminum cylinder base.
The OPC tend to reduce its own electrical conductance when exposed to light. After a cyclic process
of charging, exposure, and development, the electrostatic image is constituted over the OPC layer.
Since the OPC is materialized by resin, it is susceptible to damage caused by sharp edges such as a
screwdriver, etc., resulting in a print quality problem. Also, finger prints can cause deterioration of
the OPC layer, therefore, the drum (in the process unit) must be handled with care. Substances like
water, alcohol, organic solvent, etc., should be strictly avoided.
As with all other OPC drums, the exposure to a strong light source for a prolonged period can cause
a print quality problem. The limit is approximately 500 lux for less than five minutes. If the drum
(process unit) remains removed form the printer, it should be stored in a cool, dark place.
Photo conductive layer
Aluminum base cylinder
Figure 4-1-3 Photo conductive drum
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Charging the drum
The following shows a simplified diagram of the electrophotographic components in relation to the
engine system. Charging the drum is done by the main charger unit A.
High voltage board
CN2-A4
Engine board
YC12-5
Bias
board
MHVDR
YC-M
Main charging output
A
C
B
Zener
board
KP-788
Figure 4-1-4 Charging the drum
As the drum C rotates in a “clean (neutral)” state, its photoconductive layer is given a uniform,
positive (+) corona charge dispersed by the main charger wire B.
Due to high-voltage scorotron charging, the charging wire can get contaminated by oxidization
after a long rum. Therefore, it must be cleaned periodically from time to time using the method
explained in chapter 3. Cleaning the charging wire prevents print quality problems such as black
streaks.
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(2) Exposure
The charged surface of the drum A is then scanned by the laser beam from the laser scanner unit
B.
B
A
Figure 4-1-5 Exposure
The laser beam (780 nm wavelength) beam is dispersed as the polygon motor (polygon mirrors)
revolves to reflect the laser beam over the drum. Various lenses and mirror are housed in the
scanner unit, adjust the diameter of the laser beam, and focalize it at the drum surface.
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Laser scanner unit
3
2
4
1
6
5
Diversion mirror
Figure 4-1-6 Laser scanner unit
Name
Description
1 Laser diode
2 Cylindrical lens
Emits diffused, visible laser.
Compensates the vertical angle at which the laser beam hits a polygon
mirror segment.
3 Polygon mirror (motor) Has six mirror segments around its hexagonal circumference; each
mirror corresponding to one scanned line width on the drum when
laser beam scans on it.
4 F-theta lens
The f-theta lens equalizes focusing distortion on the far ends of the
drum.
5 Sensor mirror
6 Pin photo sensor
Bends the very first shot of a laser scan towards the beam detection
sensor (6).
When shone by the sensor mirror above, this photo-sensor generates
a trigger signal for the engine controller to start activating the paper
feeding system.
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Drum surface potential
The laser beam is continually switched on and off depending on the print data. It is on for a black
(exposed) dot and off for a white (blank) dot. Since the drum surface is evenly charged, whenever
it is illuminated by the laser beam, the electrical resistance of the photoconductor is reduced and the
potential on the photoconductor is also lowered. Resulted on the drum surface is an electrostatic
image which represents the data to print. Note that the area to be printed black has the low potential,
constituting a “positively exposed” image.
Laser beam
Exposed surface potential
approximately +60 to +80 V
Charged surface potential
+400±15 V
OPC
layer
Drum
Aluminum
cylinder
Figure 4-1-7 Drum surface potential
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(3) Development
The latent image constituted on the drum is developed into a visible image. The developing roller
A contains a 3-pole (S-N-S) magnet core B and an aluminum cylinder rotating around the magnet
core B. Toner attracts to the developing roller A since it is powdery ink made of black resin bound
to iron particles. Doctor blade C, magnetized by magnet D, is positioned approximately 0.3 mm
above the developing roller A to constitute a smooth layer of toner in accordance with the roller
revolution.
0.3 - 0.4 mm
C
Magnetism
D
N
0.1 mm
S
S
E
N
S
Developing
bias output
275±5 V DC
+ AC
Bias
board
Engine board
YC11-5
YC-B
YC302-8
B
A
HVCLK
F
Figure 4-1-8 Development
The developing roller A is applied with the AC-weighted, positive DC power source. Toner E on
the developing roller A is given a positive charge. The positively charged toner E is then attracted
to the areas of the drum F which was exposed to the laser light. (The gap between the drum F and
the developing roller A is approximately 0.3 mm.) The non-exposed areas of the drum F repel the
positively charged toner as these areas maintain the positive charge.
The developing roller A is also AC-biased to ensure contrast in yielding by compensating the
toner’s attraction and repelling action during development.
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(4) Transfer
The image developed by toner on the drum A is transferred onto the paper because of the electrical
attraction between the toner itself and the transfer roller B. The transfer roller is negatively biased
so that the positively charged toner is attracted onto the paper while it is pinched by the drum and
the transfer roller.
A
B
Transfer bias
High voltage board
YC1-A5
Engine board
YC11-14
YC12-2
YC11-12
YC11-9
YC11-7
Bias
board
RTHVDR
THVDR
HVISEL
PSEL1
YC1-A5
YC1-A7
YC-T
YC1-A8
YC1-A8
PSEL2
Figure 4-1-9 Transfer
The nominal transfer bias is set to approximately -1.8 kV (limit) with the -6 µA current. Since the
ideal potential of the transfer bias depends on the thickness of paper, the bias is raised to approximately
-2.5 kV/-6 µA for thicker paper. On the other hand, the bias current is reduced to -1.8 kV/-6 µA for
thin paper.
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(5) Fusing
The toner on the paper is molten and pressed into the paper as it passes between the heat roller A
and the press roller B in the fuser unit.
A
B
Figure 4-1-10 Fusing
The heat roller has a halogen lamp inside which continuously turns on and off by the thermistor to
maintain the constant temperature onto the heat roller surface. The temperature is approximately
160 °C while the printer is idle; approximately 175 °C (Normal paper) and 185 °C (Thick paper)
while printing.
The heat roller is resin coated by florin to prevent toner from accumulating on the roller after a long
run. Care must be taken while handling the heat roller not to scratch the roller surface as doing so
may result in print problems.
The heat roller has four claws which are continuously in contact with its surface. These claws
prevent the paper on which toner has been fused from being wound around the heat roller causing
paper jam.
The pressure roller is made of the heat-resistant silicon rubber. This roller is used to strongly press
the paper towards the heat roller by means of coil springs.
The temperature of the heat roller is constantly monitored by the engine board using the thermistor
and triac. Should the temperature of the heat roller exceed the predetermined value, the thermal
cutout is activated to effectively disconnect the heater (halogen) lamp from power.
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Fuser unit mechanism
0
!
@
1
2
9
8
3
7
4
5
6
1 Heat roller
5 Heat gear Z33
9 Separator(s)
0 Thermistor
! Exit pulley(s)
2 Idle gear Z34
3 Exit gear Z23
4 Idle gear Z18
6 Press roller
7 Heater lamp [500±25 W]
8 Thermal cutout
@ Lower exit roller
Figure 4-1-11 Fuser unit mechanism
FS-1010
4-13
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(6) Cleaning
After the transferring process, the drum needs to be physically cleaned of toner which is residual
after the development process. The cleaning blade A is constantly pressed against the drum B and
scrapes the residual toner off to the sweep roller C. The waste toner is collected at the output end
of the sweep roller C and sent back to the toner container, into the waste toner reservoir D.
E
B
A
C
D
Figure 4-1-12 Drum cleaning and erasing static charge
After the drum B is physically cleaned, it then must be cleaned to the electrically neutral state.
This is necessary to erase any residual positive charge, ready to accept the uniform charge for the
next print process. The residual charge is canceled by exposing the drum B to the light emitted
from the eraser lamp E. This lowers the electrical conductivity of the drum surface making the
residual charge on the drum surface escape to the ground.
FS-1010
4-14
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4-2 Paper feeding system
The paper feeding system picks up paper from the cassette, MP tray, or if installed, the paper feeder
PF-17, feeds it in the printer, and delivers in the output tray. Paper is fed at the precise timing in
synchronization with data processing. The paper feeding system finally delivers the printed page to
either the face-down or face-up tray as manipulated by the user.
The figure below shows the components in the paper feeding system and the paths through which
the paper travels. The sensors, clutches, etc., are described in the following pages.
5
(
3
*
4
9
&
^
2
1
4
$
%
!
8 7
6
#
@
0
1 Cassette
8 Feed pulley
% Press roller
2 MP tray
9 MP feed roller
^ Lower exit roller
& Exit pulley
3 Face-down output tray
4 Face-up output tray
5 Process unit
0 Lower registration roller
! Upper registration roller
@ Transfer roller
# Drum
* Upper exit roller
( Exit pulley
6 Fuser unit
7 Feed roller
$ Heat roller
Figure 4-2-1 Paper feeding path
FS-1010
4-15
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4-2-1 Paper feed control
The following diagram shows interconnectivity of the feeding system components including the
sensors and rollers. The engine board provides the signals in conjunction with the electrophotography
process that is driven by the main board.
Power train
Toner container
TK-17
8
Process unit
Registration
sensor
Developing
MP tray
roller
Drum
1
MP paper
sensor
Fuser unit
4
6
MP feed
clutch
3
5
2
7
Exit
sensor
Registration
clutch
Feed
clutch
Main
motor
Paper
sensor
Cassette
Cassette
Power supply board
Optional
paper feeder
PF-17
High voltage board
Bias board
Bias board
Main motor
Engine board
1 MP feed roller
2 Feed roller
3 Lower registration roller
4 Upper registration roller
5 Transfer roller
6 Heat roller 7 Lower exit roller 8 Upper exit roller
Figure 4-2-2 Paper feed control
FS-1010
4-16
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Paper feeding mechanism
Driving power train
A For process unit; drum (From main unit)
B For process unit; toner container,
developing roller etc. (From main unit)
C From process unit; drum
)
^
(To transfer roller)
(
*
A
B
&
%
C
$
#
@
0
2
3
1
!
7
8
1 Main motor (gear)
2 Registration clutch
3 MP feed clutch
4 Feed clutch
9
5 MP feed roller
6 Feed roller
7 Registration gear Z13
8 Registration gear Z20
9 Cassette gear
4
5
0 Lower registration roller
! Upper registration roller
@ Transfer roller
6
# TC gear Z18
^ Heat gear Z33
( Upper exit roller
$ Press roller
& Lower exit roller
) Exit gear Z23 UP
% Heat roller
* Exit gear Z23
Figure 4-2-3 Paper feeding mechanism
FS-1010
4-17
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4-3 Electrical control system
4-3-1 Electrical parts layout
@
J
%
4
$
#
7
K
5
L
M
!
8
3
0
H
G
I
2
9
(
6
^
*
1
&
6 Main motor
7 Cooling fan
A
B
C
D
8 Registration clutch
9 Feed clutch
E
0 MP feed clutch
! MP paper sensor
@ Toner sensor
# Waste toner sensor
$ Eraser lamp
2
F
3 Power supply board
G Power switch
H Exit sensor
1 Main board (KP-888)
2 Engine board (KP-882)
A Go key (switch)
I Inlet
B Cancel key (switch)
C Toner indicator (LED)
4 High voltage board
% Laser scanner unit
^ Heater lamp
J Interlock switch
D Paper empty/ Paper jam 5 Bias board (KP-884)
& Thermal cutout
* Thermistor
indicator (LED)
K Cassette switch
E Data indicator (LED)
F On line indicator (LED)
L Registration sensor
( Paper feeder interface
connector
M Paper sensor
Figure 4-3-1 Electrical parts layout
FS-1010
4-18
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4-3-2 Operation of circuit boards
(1) Main board
YC03
Q01
Digital Transistor
USB I/F
Operator panel I/F
USBINT
USBDP
USBDN
YC08
FPRSTN
FPCLK
FPDIR
VBUL
FPDAT
Q02
Digital Transistor
YC02
EBA22, EBA10-1
EDB31-16
YC07
APC I/F
Option
Memory
card
EBCSN2, EBCSN3
EBOEN1, EBWEN1
OUTPEN
LONB
VDFONSPL
PDN
CDWAITN, CDET1-2
CDRST
slot
YS01
EBA22-2
YC06
System DIMM
Slot 1
(Code ROM)
Engine I/F
EBCSN0, EBCSN1
EBOEN0, EBWEN0
SCKN, SO, PLGCLK
SBSY, SI, SDIR, EGIRN, PDMASKN
RSTN
U02
EBCSN0, EBOEN2
EBA21-1
CPU
U01
Font
Mask ROM
X02
U13
EBD31-16
X’tal (System)
25.0000 MHz
CXIN
PowerPC 200 MHz
RISC processor
(Core ASIC)
U03
EBA21-1
X03
EBD31-16
EBCSN1, EBOEN2
API ROM
Socket
VXIN
VXOUT
X’tal (Video)
YC01
OPRSTN
26.701882 MHz
OPRDY, DMAACKN, IORN,
IOWN, EBCSN4
DMAREQ, OPACKN, OPIRN
EBA15-1
Option I/F
KUIO-LV (3.3 V)
X01
X’tal (USB)
48MHZIN
NSELIN
EBD31-16
48.0000 MHz
U11
EBIU Address bus
EBIU Data bus
EBD31-0
YC04
Parallel I/F
PNSELIN
DQMLM, DQMLL
DQMUU, DQMUM
RASN, CASN, WEN, BA1, BA0, SDCLKE
PNSTROBE, PNAUTOFD,
PNNIT
U07
IIC
IICSCL
IICSDA
PNACK, PBUSY, PPERROR
PSELECT, PFAULT
EEPROM
PDATA7-0
PPDATA7-0
SDCSN0
SDRAM Address bus SDA12-0
YS02
P1284DIR
SDD15-0
U04
Option serial I/F
SDA12-0
SDCSN0
YC05
Option
SDRAM
DIMM
Slot
SDA12-0
SDRAM
DTR, RTS, TXD
CTS, DSR, RXD
RSSEL
SDD31-0
SDCLK
U05
[Debugger connector]
SDD31-16
SDRAM
YC09
SDA12-0
DBTXD
DBRXD, DBCLK
SDCSN1-2
SDCLK
U9
3.3 V Regulator
+5 V1
+3.3 V1
SDRAM Data bus
SDD31-0
Figure 4-3-2 Main board circuit block diagram
FS-1010
4-19
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(2) Engine board
Engine board (KP-882)
Optional
paper feeder
Main board
(KP-888)
RSTIN
PLGCLK
PFMDRN
PFSEN, PFPFPER, PFCLK
Reset IC
U02
RSTN
CPU
U01
MOTORN
MRDYN
PLGDRN
Main motor
Feed clutch
PLGRDYN
EEDIO
Laser scanner unit
EEPROM
EESCK
U03
Cassette
switch
SWIN
RESIT
PAPERN
Regist-
ration
sensor
FEDDRN
RESDRN
MPFDRN
Registration clutch
MP feed clutch
Paper
sensor
FANH
FANL
THERMA
MP paper sensor
Bias board
(KP-884)
HANDSN
Heater lamp
control circuit
HEATN
ZCROSS
ERASPW
Eraser
EXITN
Eraser
lamp
MHVDR, THVDR, RTHDR, HVISEL, HVCLK
ERASER
lamp
control
circuit
TONER
24 V DC
TNFULL
5 V DC
Cooling fan
Waste
toner
sensor
Heater
lamp
Toner sensor
5 V DC
output circuit
Zero
cross
AC input
Interlock
switch
signal
24 V DC
High voltage
output circuit
detection
circuit
output circuit
Triac
Exit
sensor
Thermistor
Power supply board
High voltage board
Figure 4-3-3 Engine board circuit block diagram
FS-1010
4-20
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Eraser lamp control circuit
The CPU (U01) turns pin #23 (ERASERN) of U01 to H level, transistors (Q16 and Q14) turns on
consequently, and the 24 V DC given at pin #1 of connector YC05 applies to the eraser lamps. The
eraser lamps thus illuminate as the current flows through the eraser lamp, the pin #2 of connector
YC05, resistors (R75/R76, and R77/R78), and the ground.
Pin #27 (ERRDYN) of the CPU (U01) is wired to the crossing of resistors (R75/R26 and R77/R78)
via resistor (R74). The U01 turns pin #23 (ERASERN) to H level and monitors the input level after
one second. If the eraser lamp is normal, the current flowing through R74 also flows the zener
diode (DZ01), making the voltage at pin #27 to be approximately 3.7 V. On the contrary, if the level
at pin #27 (ERRDYN) is less than 1 V for more than 2 seconds, despite the U01 turns pin #23
(ERASERN) to H level and applying the 24 V DC to pin #1 of connector YC05, the U01 recognizes
that the current is not flowing through the eraser lamp. The LED indicator “Call service
5300” error is then displayed.
Engine board
+24V
Eraser lamp cotrol circuit
CPU
U01
R68
1
2
3
R69
C33
3
23
Q14
ERASERN
2
P25/ASCK0
Eraser lamp
Q16
1
YC05
ERASPW
ERASER
1
2
3
GND
R75
R77
R76
R74
PGND
27
ERRDYN
P16/ANI6
1
DZ01
R78
2
GND
GND
Figure 4-3-4 Eraser lamp control circuit
FS-1010
4-21
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Heater lamp control circuit
Activation of the heater lamp is dominated by the HEAT signal which is derived by the engine CPU
(U01) at its pin #1. When its level is high, transistor QA03-a turns on, photo-triac PC2 and triac
TRC1 turn on simultaneously, and the heater lamp is applied with the primary AC voltage in turn.
Switching of triac TRC1, as affected by the HEAT signal is made in synchronization with the zero-
cross signal ZCROSS which is generated by the power supply unit. The zero-cross signal detector
watches the transition of alternating plus and negative current and detects the zero crosses. This
detector derives the resultant ZCROSS signal at its pin #43 of the engine CPU (U01). Since abrupt
change in the current flow can be significantly avoided by synchronizing triac TRC1 with the zero-
cross signal, the possibility of noise due to the primary AC supply is greatly reduced.
Engine board
Heater lamp control circuit
33
THERMA
P10/ANI0
+5V
+5V
+5V
U04-1
CPU
U01
R52
R56
Q11
2
3
−
1
393
GND
+
QA03-b
QA03-a
GND GND
1
HEAT
P50/A8
GND
43
ZCROSS
P00/INTP0
Power supply unit
Bias
board
AC input
Zero
cross
Thermal cutout
Heat roller
signal
High
voltage
board
detection
circuit
+24 V
Heater lamp
(PC2)
Photo-triac
Triac
(TRC1)
Thermistor
Figure 4-3-5 heater lamp control circuit
FS-1010
4-22
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The AC power for the heater is applied in one of the five variations of the zero cross switchings as
shown in Figure 4-3-6. Each variation is constituted with the unit of ten positive and negative
envelops in five cycles, as obtained by varying the duration during which TRC1 turns on. The
heater lamp is energized while TRC1 is kept on; the heater lamp is turned off while TRC1 is kept
off. For example, the duty cycle (the period of a cycle during which the heater lamp is turned on) is
maximum for variation No.1 as the heater lamp is energized for the whole envelops. The duty cycle
is 60 % for variation No.3 as the heater lamp is energized for the 6 positive and negative envelops
out of 10. The duty cycle is 0 since the heater lamp is kept turned off for the whole envelops.
CPU (U01) selectively switches among those variations for applying voltages to the heater lamp
according to the THERMA signal which appears at pin #33 as feedback.
A fraction of THERMA is applied to pin #2 of comparator U04-1. The comparator maintains
comparison of the potential at pin #2 and pin #3 which gives a reference for the possible anomaly
in the heater temperature (bred by resistors R52 and R56). Should the voltage at pin #2 exceed that
at pin #3, the level at pin #1 becomes low. Since pin #1 is wired to the output line for the HEAT
signal, the HEAT signal is enforced to be low regardless the behavior of CPU (U01), thus preventing
possible heat overrun. The LED indicator “Call service 6110” error is then displayed.
FS-1010
4-23
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Heater lamp turn-on pattern in 1 cycle (10 half waves)
1
2
3
4
5
6
7
8
9
10
AC wave
+
Variation
No.1
(Duty 100 %)
0 V
Zero
cross
point
−
Conductivity
staus of Triac
(TRC1)
On On
On On On On
On On On On
+
Variation
No.2
0 V
(Duty 80 %)
−
On On
On On On On
On On Off Off
+
Variation
No.3
(Duty 60 %)
0 V
−
On On
Off On On Off
On On Off Off
+
Variation
No.4
(Duty 40 %)
0 V
−
On Off
Off On Off Off
On On Off Off
+
Variation
No.5
(Duty 0 %)
0 V
−
Off
Off Off
Off Off Off
Off Off Off
Off
Figure 4-3-6 heater lamp turn-on variations
FS-1010
4-24
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Polygon motor control circuit
The main controller board supplies the 1700.8 Hz clock pulse (PLGCLK) via the engine board to
the PLL control IC (IC1) for the polygon motor. To begin printing, the engine CPU U01 turns
PLGDR to H level, the PLL control IC (IC1) starts to revolve the polygon motor so that the revolution
is 17,008 rpm which depends on the PLGCLK clock pulse. When PLL control IC (IC1) finds that
the polygon motor is revolving at the rated speed, turns PLGDRN to L level to acknowledge the
engine CPU that the rated speed has been achieved.
On the contrary, if PLGRDYN does not turn to L level within 8 seconds since PLGDRN has been
L level, the LED indicator “Call service 4000” error is then displayed.
Engine board
Laser scanner unit
Polygon motor control circuit
+24V
R35
3
CPU
U01
Polygon motor
PLGDR
2
+5V
+
1
Q09
R38
PGND
17,008 rpm
GND
+24V
PGND
PLGDRN
PLGRDYN
PLGCLK
PLGRDYN
5
4
3
2
1
Main board
PLGCLK
PLL
control IC
(IC1)
R32
R41
3
YC06
1700.8 Hz
2
Q10
C18
PGND
1
GND
Figure 4-3-7 Polygon motor control circuit
FS-1010
4-25
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(3) Power supply board
The power supply board provides the AC power input and DC power and outputs. The high voltage
bias generator circuit is mounted on a separate board. A simplified schematic diagram is shown
below.
Power supply unit
Power
switch
Current
fuse
AC
input
EXITN
Exit
sensor
Noise
filter
(SW1) (F1)
circuit
Transformer
(T1)
+24 V COM
SLEEP
24 V DC
rectifier/
smooth-
ing circuit
24 V DC
shutoff
circuit
FAN
Cooling fan
+24 V COM
Switching/
Over
current
detection
circuit
+5 V
FET
(Q1)
5 V DC
rectifier/
smooth-
ing circuit
PGND, SGND
THERM
Thermistor
Photo-
coupler
(PC1)
Over voltage
detection
circuit
+24 V
Photo-
coupler
(PC3)
ZCROSS
Transistor
(Q8)
Heater
lamp
Triac
(TRC1)
Zero cross signal
detection circuit
Thermal
cutout
Photo-
Triac
(PC2)
HEAT
Figure 4-3-8 Power supply board circuit block diagram
FS-1010
4-26
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(4) Bias board
The bias board contains the developing bias output circuit, registration sensor, paper empty sensor,
and the cassette switch. It also provides a liaison connection to the high voltage board, power
supply, and the toner sensor.
Bias board (KP-884)
+5 V
Engine board
Toner
sensor
TONER
TONER
+5 V
+24 V
5 V DC
24 V DC
SENPOW
Power supply
board
Regist-
ration
sensor
High voltage
board
RESIT
+5 V
+5 V
Casette
switch
5 V DC
+24 V
+24 V
24 V DC
SWIN
PAPERN
Paper
sensor
RTHVDR, HVISEL
PSEL1, PSEL2
FANL
FANH
FAN
HEATN, ZCROSS
EXTIN, THERM
HVCLK
+24 V
275 V DC + AC
Developing bias
output circuit
Developing
roller
Figure 4-3-9 Bias board circuit block diagram
FS-1010
4-27
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(5) High voltage board
The high voltage board contains the high voltage output circuit, interlock switch circuit as well as
providing a liaison connection with the power supply board, bias board, and the engine board.
High voltage board
High voltage output circuit
Engine board
Main
charger
Bias board
Control
and
driver
circuit
MHVDR
THVDR,
Transfer
roller
RTHVDR
Control
and
driver
circuit
PSEL1,
PSEL2
HVISEL
+24V2
Transfer bias
output
positive voltage
circuit
Power supply board
+24V2
Interlock switch
+24V1
FAN,
HEATN, SLEEP
ZCROSS,
THERM, EXITN
+5V
+5V
Figure 4-3-10 High voltage board circuit block diagram
FS-1010
4-28
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Interlock switch
The interlock switch is located on the high voltage board and opened and closed in conjunction
with the front cover or the top cover via the interlock lever. This switch connects and disconnects
the +24 V DC power supply line. If the front cover or the top cover is open, the interlock switch is
open, and the +24 V DC to the high voltage output circuit, bias board, engine board, and the power
supply board is disconnected, deactivating the high voltage output, laser output, main motor output
for safety. The cooling fan is an exception: Since the cooling fan is directly fed with +24 V DC from
the power supply unit at the primary side (+24V1) of the interlock switch, the cooling fan is not
deactivated even the cover is open.
Top cover
Projection
Interlock lever
Projection
Engine board,
Bias board,
etc.
Front cover
Power supply unit
High voltage
Interlock
output circuit
switch
Triac, etc.
+24V2
+24V1
+24 V DC
output
Machine left side view
High voltage board
Cooling fan
Figure 4-3-11 Interlock switch
FS-1010
4-29
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D i s a s s e m b l y
Chapter 5
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Chapter 5 Contents
5-1 General instructions ........................................................................................................................ 5-3
5-1-1 Screw/hardware ......................................................................................................................... 5-3
5-1-2 Before starting disassembly ...................................................................................................... 5-3
5-2 Disassembly ..................................................................................................................................... 5-4
5-2-1 Removing the process unit ........................................................................................................ 5-4
5-2-2 Removing the principal outer covers ......................................................................................... 5-5
(1) Removing the top cover/face-down output tray ................................................................... 5-5
(2) Removing the right cover..................................................................................................... 5-6
(3) Removing the left cover ....................................................................................................... 5-6
5-2-3 Removing the feed roller............................................................................................................ 5-7
5-2-4 Removing the MP tray feed roller .............................................................................................. 5-8
5-2-5 Removing the transfer roller .................................................................................................... 5-10
5-2-6 Removing the principal circuit boards...................................................................................... 5-11
(1) Removing the engine board .............................................................................................. 5-11
(2) Removing the main board ................................................................................................. 5-12
(3) Removing the power supply board and high voltage board .............................................. 5-14
(4) Removing the bias board .................................................................................................. 5-15
5-2-7 Removing the main motor and drive unit ................................................................................. 5-16
5-2-8 Removing and splitting the fuser unit ...................................................................................... 5-20
(1) Removing the separators .................................................................................................. 5-22
(2) Removing the heater lamp ................................................................................................ 5-23
(3) Removing the heat roller ................................................................................................... 5-24
(4) Removing the thermistor ................................................................................................... 5-26
(5) Removing the thermal cutout ............................................................................................ 5-27
(6) Removing the press roller ................................................................................................. 5-28
5-2-9 Removing the laser scanner unit and the eraser lamp ............................................................ 5-29
5-2-10 Removing the main charger unit............................................................................................ 5-32
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5-1 General instructions
This chapter provides procedures for removal and replacement of the field replacement components.
For other components not explained in this chapter, the diagrams in the Parts Catalog attached
with this manual will help locate the component.
When replacing of a component, reverse the procedure for the removal procedure explained in this
chapter.
WARNING
To avoid injury to human bodies, make sure that AC power is removed and the
power cord is unplugged from both the power line and the printer.
5-1-1 Screw/hardware
Screws and hardware used in the printer are listed in the Ecosys Screw catalog. These screw symbol
numbers are universal to most Ecosys printers.
CAUTION
When securing a self-tapping screws, align it with the thread carefully. First turn
it counterclockwise, then slowly clockwise. Do not overtighten. In case the self-
tapped thread is damaged, the affected part must be replaced with a new part.
5-1-2 Before starting disassembly
Before proceeding, unplug the power cord from the printer and the power supply.
WARNING
Never attempt to operate the printer with a component removed.
CAUTION
The printer use electrostatic sensitive parts inside (on circuit boards, Laser scanner
unit, etc.). Provide an antistatic (discharging) device, such as a wrist strap, that
can effectively discharge your body before touching the circuit boards, the laser
scanner unit, etc.
FS-1010
5-3
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5-2 Disassembly
Before proceeding, remove the paper cassette and the optional paper feeder, if installed.
5-2-1 Removing the process unit
1. Open the top cover 1.
2. Open the front cover 2.
3. Lift the process unit 3 together with the toner container out of the printer.
1
2
3
Figure 5-2-1 Removing the process unit
CAUTIONS
After removing the process unit, seal it in the protective bag and place it on flat
surface. Do not place the process unit in a dusty area.
Do not give impact to the process unit.
Do not place floppy disks near the process unit.
FS-1010
5-4
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5-2-2 Removing the principal outer covers
(1) Removing the top cover/face-down output tray
1. Open the top cover 1.
2. Remove two screws 2.
3. Remove the top cover/face-down output tray 3.
2
1
3
Figure 5-2-2 Removing the top cover/face-down output tray
FS-1010
5-5
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(2) Removing the right cover
1. Remove one screw 1.
2. Remove the side cover 2.
3. Unlatch the six snaps 3 and one hook hole 4 on the chassis, remove the right cover 5.
3
5
3
3
3
3
5
3
4
2
1
Figure 5-2-3 Removing the right cover
(3) Removing the left cover
1. Unlatch the six snaps 1 and two hook holes 2 on the chassis, remove the left cover 3.
1
1
1
1
2
1
2
3
3
1
Figure 5-2-4 Removing the left cover
FS-1010
5-6
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5-2-3 Removing the feed roller
CAUTION
When refit the feed roller, fit the D-cut shaft into the D-shape hole of the feed
roller.
1. Remove the paper cassette and the process unit. (See page 5-4)
2. Stand the machine the front side up.
3. Move the feed roller in the direction A, and remove the feed roller 1.
A
1
Figure 5-2-5 Removing the feed roller
FS-1010
5-7
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5-2-4 Removing the MP tray feed roller
1. Remove the engine board. (See page 5-11)
2. Remove one screw 1.
3. Remove the grounding plate 2.
4. Remove one stop ring 3.
5. Remove the MP feed clutch 4.
4
3
2
1
Figure 5-2-6 Removing the MP feed clutch
FS-1010
5-8
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6. Remove one screw 5.
7. Remove the toner sensor 6 and spring 7.
8. Remove two screws 8.
9. While pressing the latch 9 by using the driver and then remove the MP feed unit 0.
6
5
7
8
8
9
0
Figure 5-2-7 Removing the MP feed unit
10. Remove the stop ring ! and then remove the MP feed roller @.
!
@
Figure 5-2-8 Removing the MP feed roller
FS-1010
5-9
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5-2-5 Removing the transfer roller
CAUTION Do not touch the transfer roller (sponge) surface. Oil and dust (particles of paper,
etc.) on the transfer roller can significantly deteriorate the print quality (white
spots, etc.).
When refitting the bushes and springs, make sure to refit the black colored bush
and spring on the left side. Also, observe the correct direction to which the bush
is fit in reference to the paper passing direction.
1. Remove the process unit. (See page 5-4)
2. Remove the transfer roller 1 from the both bushes.
Paper passing direction
Long
Short
Transfer roller
Bush
Gear
Bush
(Black colored)
Spring
(Black colored)
1
1
Bush
Spring
Figure 5-2-9 Removing the transfer roller
FS-1010
5-10
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5-2-6 Removing the principal circuit boards
(1) Removing the engine board
1. Remove the top cover/face-down output tray and right cover (See pages 5-5 and 5-6).
2. Remove all (ten) connectors from the engine board 1.
3. Remove three screws 2.
4. Remove the engine board 1.
1
2
Figure 5-2-10 Removing the engine board
FS-1010
5-11
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(2) Removing the main board
1. Remove the process unit (See page 5-4).
2. Remove the top/face-down output tray and right cover (See pages 5-4 and 5-5).
3. Remove two connectors 1 from main board 2.
4. Remove six screws 3.
5. Remove the controller box (with main board) 4.
1
3
1
4
3
2
Figure 5-2-11 Removing the controller box (with main board)
FS-1010
5-12
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6. Remove two screws 5 at the back of the main board 2.
7. Remove three screws 6 from the parallel interface connector 7 and USB connector 8.
8. Remove the main board 2.
2
5
8
7
6
Figure 5-2-12 Removing the main board
FS-1010
5-13
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(3) Removing the power supply board and high voltage board
1. Remove the process unit (See page 5-4).
2. Remove the top cover/face-down output tray and left cover (See pages 5-5 and 5-6).
3. Remove three connectors 1 from the power supply board 2.
4. Remove eight screws 3.
5. Remove the power supply board 2 and high voltage board 4. (Note: The high voltage board
4 is directly connected to the bias board 5.)
6. Separate the high voltage board 4 from the power supply board 2.
3
2
1
5
4
3
Figure 5-2-13 Removing the power supply board and high voltage board
FS-1010
5-14
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(4) Removing the bias board
1. Remove the cassette and process unit (See page 5-4).
2. Remove the top cover/face-down output tray and left cover (See pages 5-5 and 5-6).
3. Remove the power supply board and high voltage board (See the previous page).
4. Stand the machine with the front side up.
5. Remove one connector 1 from the bias board 2.
6. Remove five screws 3.
7. Remove the bottom cover 4.
8. Remove the two connectors 5 from the bias board 2.
9. Remove the bias board 2.
5
3
1
2
4
3
Figure 5-2-14 Removing the bias board
FS-1010
5-15
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5-2-7 Removing the main motor and drive unit
1. Remove the cassette and process unit (See page 5-4).
2. Remove the top cover/face-down output tray and right cover (See pages 5-5 and 5-6).
3. Remove three connectors 1 from the main motor 2.
4. Remove four screws 3.
5. Remove main motor 2.
1
2
3
3
Figure 5-2-15 Removing the main motor
FS-1010
5-16
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6. Remove the engine board (See page 5-11).
7. Remove wires from wire saddles 4 on the cord cover 5.
8. Remove one screw 6.
9. Remove the cord cover 5.
4
6
4
5
5-2-16 Removing the cord cover
FS-1010
5-17
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10. Remove one screw 6.
11. Remove the grounding plate 7.
12. Remove three stop rings 8.
13. Remove MP feed clutch 9, feed clutch 0, and registration clutch !.
9
8
7
6
0
8
!
8
Figure 5-2-17 Removing the clutches
FS-1010
5-18
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14. Remove the four screws @.
15. Remove the drive unit #.
#
@
@
Figure 5-2-18 Removing the drive unit
FS-1010
5-19
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5-2-8 Removing and splitting the fuser unit
WARNING
The fuser unit is hot after the printer was running. Wait until it cools down.
CAUTION
When refitting the fuser unit, make sure the fuser unit gear and the printer’s drive
gear are properly meshed with each other. For this, rotate the main motor several
turns before fixing screws.
1. Remove the process unit. (See page 5-4)
2. Remove the top cover/face-down output tray, right and left covers. (See page 5-5, 5-6)
3. Remove the rear side cover 1.
4. Remove the two connectors 2.
5. Remove two screws 3.
6. Remove the fuser unit 4.
1
3
2
4
3
Figure 5-2-19 Removing the fuser unit
FS-1010
5-20
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7. Remove two screws 5.
8. Open and split the fuser unit 4.
5
4
5
Figure 5-2-20 Splitting the fuser unit
FS-1010
5-21
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(1) Removing the separators
WARNING
The separation claws are extremely hot immediately after the printer was running.
Allow substantial period of time until it cools down.
1. Remove and split the fuser unit (See page 5-20).
2. Loosen the stopper screws 1.
3. Hold the separators 2 upright, and remove the separators 2 and separator springs 3.
Step 1
Step 2
1
2
2
3
Figure 5-2-21 Removing the separators
FS-1010
5-22
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(2) Removing the heater lamp
WARNING
The heater lamp is extremely hot immediately after the printer was running.
Allow substantial period of time until it cools down. Also, the heater lamp is
fragile: Handle it with great care.
CAUTION
The heater lamps are fragile. Use extreme care when handling not to drop or
break.
Do not directly touch on the heater lamp. Finger prints on the heater lamp’s outer
surface can prevent proper fusing of toner on paper. When holding the heater
lamp, hold the ceramic parts of heater lamp at both ends.
When refitting the heater lamp, direct the short distance side from the projection
in the middle of the lamp facing the machine’s left side.
1. Remove and split the fuser unit (See page 5-20).
2. Remove all (four) separators (See previous page).
3. Remove one screw 1, release the tension of lamp A holder 2.
4. Remove the heater lamp 3 form the lamp B holder 4.
5. Remove the heater lamp 3 from the heat roller 5.
Machine
right side
2
5
Machine
left side
1
Long
3
Projection
Short
4
Figure 5-2-22 Removing the heater lamp
FS-1010
5-23
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(3) Removing the heat roller
WARNING
The heat roller is extremely hot immediately after the printer was running. Allow
substantial period of time until it cools down.
1. Remove and split the fuser unit (See page 5-20).
2. Remove the heater lamp (See previous page).
3. Press the lamp A holder 1 away from the heat roller. Pull up both heat R bush 2 and heat L
bush 3 at the same time.
2
3
1
Figure 5-2-23 Removing the heat R bush and heat L bush
FS-1010
5-24
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3. Remove the heat gear Z33 4, heat R bush 2, and heat L bush 3 from the heat roller 5.
4
2
3
5
Figure 5-2-24 Removing the heat roller
FS-1010
5-25
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(4) Removing the thermistor
1. Remove and split the fuser unit (See page 5-20).
2. Remove the heater lamp (See page 5-23).
3. Remove the heat roller (See page 5-24).
4. Remove one screw 1.
5. Remove the thermistor 2.
1
2
Figure 5-2-25 Removing the thermistor
FS-1010
5-26
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(5) Removing the thermal cutout
CAUTION
Do not bend the terminals of the thermal cutout.
1. Remove and split the fuser unit (See page 5-20).
2. Remove the heater lamp (See page 5-23).
3. Remove the heat roller (See page 5-24).
4. Remove the two screws 1.
5. Remove the thermal cutout 2.
1
2
Figure 5-2-26 Removing the thermal cutout
FS-1010
5-27
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(6) Removing the press roller
WARNING
The press roller is extremely hot immediately after the printer was running. Allow
substantial period of time until it cools down.
1. Remove and split the fuser unit (See page 5-20).
2. Remove the press roller 1 from the fuser unit 2.
1
2
Figure 5-2-27 Removing the press roller
FS-1010
5-28
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5-2-9 Removing the laser scanner unit and the eraser lamp
1. Remove the process unit (See page 5-4).
2. Remove the top cover/face-down output tray, right cover, and the left cover (See pages 5-5 and
5-6).
3. Remove four connectors 1.
4. Remove five screws 2 and four screws 3.
5. While keeping the ground joint plate 4 away from the LSU plate 5, remove the LSU plate.
4
3
2
5
2
1
Figure 5-2-28 Removing the LSU plate
FS-1010
5-29
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5. Remove three screws 6.
6. Remove one connector 7 from the laser scanner unit 8.
7. Remove the laser scanner unit 8.
6
8
7
Figure 5-2-27 Removing the laser scanner unit
FS-1010
5-30
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8. Remove the eraser lamp 9.
9
5-2-28 Removing the eraser lamp
FS-1010
5-31
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5-2-10 Removing the main charger unit
1. Remove the process unit from the printer (See page 5-4).
2. Unlatch the three snaps 1, and remove the main charger cap 2.
3. Draw the main charger unit 3 in the direction of arrow A, then pull it out in the direction of
arrow B.
3
B
A
1
C
1
4
2
3
5-2-29 Removing the main charger unit
CAUTION
When refitting the main charger unit 3, hold terminal 4 down C, then push
frontwards. Use care not to deform the terminal 4.
FS-1010
5-32
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Chapter 6 T r o u b l e s h o o t i n g
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Chapter 6 Contents
6-1 Troubleshooting ............................................................................................................................... 6-3
6-1-1 Error messages ......................................................................................................................... 6-3
(1) Messages ............................................................................................................................ 6-4
Normal messages ..................................................................................................................... 6-5
Maintenance messages ............................................................................................................ 6-6
Error messages ........................................................................................................................ 6-8
6-1-2 Service error indications .......................................................................................................... 6-10
(1) 2000 - Main motor error..................................................................................................... 6-10
(2) 4000 - Laser scanner unit [Polygon motor] error ............................................................... 6-11
(3) 4200 - Laser scanner unit [Pin photo diode] error ............................................................. 6-13
(4) 5300 - Eraser lamp error ................................................................................................... 6-15
(5) 6000 - Fuser unit error....................................................................................................... 6-16
(6) 7980 - Waste toner full [Total page count less than 100,000 pages of printing] ................ 6-17
(7) 7990 - Waste toner full [Total page count more than 100,000 pages of printing] .............. 6-18
(8) F010 - Controller checksum error...................................................................................... 6-18
(9) F020 - Controller RAM read/write error ............................................................................. 6-18
(10) F030 - Controller system error ........................................................................................ 6-19
(11) F040 - Communication error ........................................................................................... 6-19
(12) F050 - Engine ROM checksum error ............................................................................... 6-19
6-1-3 Print quality problems .............................................................................................................. 6-20
(1) Completely blank printout .................................................................................................. 6-21
(2) All-black printout ................................................................................................................ 6-22
(3) Dropouts ............................................................................................................................ 6-23
(4) Black dots .......................................................................................................................... 6-24
(5) Black horizontal streaks..................................................................................................... 6-24
(6) Black vertical streaks......................................................................................................... 6-25
(7) Unsharpness ..................................................................................................................... 6-26
(8) Gray background ............................................................................................................... 6-27
(9) Dirt on the top edge or back of the paper .......................................................................... 6-28
Repetitive defects gauge ........................................................................................................ 6-29
6-1-4 Correcting a paper jam ............................................................................................................ 6-30
(1) Jam at the face-down and face-up trays............................................................................ 6-30
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6-1 Troubleshooting
This chapter explains procedures for identifying and correcting problems. Topics covered are:
6-1-1 Error messages
The printer indicates various messages using the LED indicators at its top. The indicators are lit,
fast flashing, slow flashing, and off in combination to describe a specific message. The following
diagram depicts these indicators and the control keys.
On line indicator
Data indicator
Paper empty/Paper jam indicator
Toner indicator
Cancel key
Go key
Figure 6-1-1 Indicators and control keys
For explanation on the basic function of the indicators and the keys, refer to pages 2-14.
FS-1010
6-3
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(1) Messages
In the explanation that follows, the following diagrams are used to describe whether the indicator is
lit, fast flashing, slow flashing or off.
Fast
flashing
Slow
flashing
Off
Lit
Red
Green
By using the Remote Operation Panel utility to monitor the printer’s status from the computer, the
error message can be is displayed on the computer’s screen when an error occurs.
FS-1010
6-4
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Normal messages
Indicator Remote Operation Panel display
Cancelling data
Description
Data inside the printer is being
canceled.
The indicators light in sequence from
the top, then go off in sequence from
the bottom. This process is repeated
twice.
When the printer is switched on for
the first time after the toner container
is installed, (Adding toner) also
appears.
Please wait
The printer is warming up and is not
ready to print. The indicators light in
sequence twice from top to bottom.
When the printer is switched on for
the first time after the toner container
is installed, (Adding toner) also
appears.
Processing
Processing
Waiting
The printer is receiving data.
The printer is processing data.
The printer is waiting for the end-of-
job command before printing the last
page. Pressing the Cancel key allows
you to obtain the last page
immediately.
Form Feed Timeout
Ready
The printer is printing the last page
after a waiting period.
The printer is ready to print.
The printer is offline. The printer
stores but does not print received data.
Sleeping
The printer is in sleep mode. The
indicator flashes at 5-second intervals
and all other indicators go off. The
printer wakes from Sleep mode
whenever a key on the operator panel
is pressed, the cover is opened or
closed, or data is received. The printer
then warms up and goes online. (You
can set the amount of time before the
printer enters sleep mode from the
Remote Operation Panel utility.)
FS-1010
6-5
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Maintenance messages
Indicator
Remote Operation Panel display
Description
Add paper<paper source>
The paper has run out. Add paper to the
paper cassette (1 or 2) or MP tray.
The paper source is displayed in the
Remote Operation Panel utility.
The paper cassette is not closed securely.
Close the paper cassette properly.
Close top cover
The top or front cover is open.
Close the cover properly.
Load Cassette #
<paper size><paper type>
There is data for printing that matches
with a paper cassette setting (paper size,
paper type), but there is no paper in the
paper cassette.
Set paper of the size and type specified
in the print data into the cassette (1 or 2)
to resume printing.
When you want to feed from a other
paper source, press the Go key to switch
the paper source. The printer prints on
the paper size and type set in that
particular paper source.
Load MP tray
<paper size><paper type>
The cassette paper size and data paper
size are not the same.
The printer feeds from the MP Tray
when the page in the paper cassette is a
different size and type than that
specified in the print data. Set paper of
the size and type specified in the print
data into the MP tray, then press the Go
key to resume printing.
When you want to feed from a source
other than the MP tray, make sure there
is no paper in the MP tray, then press
the Go key to switch the paper source.
The printer prints on the paper size set
in that particular paper source.
Note: Feeding the paper having a paper size
which does not match the current paper size
from the MP tray can cause paper jam.
FS-1010
6-6
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Indicator
Remote Operation Panel display
Description
Paper jam
############
Open the printer and clear the paper
jam. The location of the paper jam is
also indicated in place of #’s. For
details on how to clear paper jams, see
page 6-31.
Paper path error
There is no cassette in the feeder, or the
cassette is not inserted properly.
After reinserting the paper cassette, you
should be able to print.
Replace toner
TK-17
There is no more toner in the toner
container.
The printer has stopped because there is
no more toner. Replace with a new
toner kit. After replacing, be sure to
clean the printer. (See page 3-4)
Set paper
Press GO
There is no paper in the MP tray.
Add paper to the tray. Press the Go key
to resume printing.
Note: Feeding the paper having a paper
size which does not match the current
paper size from the MP tray can cause
paper jam.
Toner low
TK-17
There is not enough toner inside the
toner container.
Promptly replace with a new toner as
the printer will stop printing before
long. Clean the printer after
replacement. (See page 3-4)
(No indication patterns available)
Warning
image adapt
The print job cannot be done at current
resolution because there is not enough
internal memory.
Try adding memory or changing
resolution.
(No
indication
patterns
available)
(No indication patterns available)
FS-1010
6-7
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Indicator
Remote Operation Panel display
Description
(No
Warning
The printer’s memory is running low
because of the number of downloaded
fonts and macros.
indication low memory
patterns
available)
Print a status page to see how much user
memory is left and try deleting
unnecessary fonts and macros.
Warning waste
toner box
The waste toner reservoir is almost full.
The waste toner reservoir will become
full and the printer will stop printing.
Error messages
Indicator
Remote Operation Panel display
Description
File not found
Press GO
The specified file is not found. Press the
Go key to resume printing. You can
abandon printing by pressing the Cancel
key.
KPDL Error
Press GO
Current print processing cannot
continue.
Press the Go key to resume printing.
You can abandon printing by pressing
the Cancel key.
MemoryCard err##
Press GO
An error has occurred during access to
the memory card using the
PRESCRIBE RWER command or from
the Remote Operation Panel utility.
Look at the error code given in place of
##and refer to the corresponding
description given below.
04: The capacity of the memory card is
insufficient. Clean up files.
05: Specified file not on memory card.
06: No memory for use by memory
card. Expand printer memory.
Press the Go key to resume printing.
You can abandon printing by pressing
the Cancel key.
Memory overflow
Press GO
Printing cannot continue because there
is not enough memory.
Try adding more memory. Press the Go
key to resume printing.
You can abandon printing by pressing
the Cancel key.
FS-1010
6-8
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Indicator
Remote Operation Panel display
Description
Print overrun
Press GO
Current print processing cannot
continue due to complex data.
The data transferred to the printer was
too complex to print on a page. Press
the Go key to print data as far as it was
stored. You can abandon printing by the
Cancel key.
Note: To release the page protect mode,
send the following command to the
printer from the Remote Operation
Panel utility after this error occurs:
!R! FRPO R5, 1; EXIT;
MemoryCard err##
Press GO
Check the error code displayed in ##
and refer to the appropriate description
below.
01: Abnormal format. Try turning the
power off and on again.
02: RAM disk mode is Off. Turn RAM
disk mode On.
04: No disk space. Clean up files.
05: Specified file is not on disk.
06: No memory for use by disk system.
Expand printer memory.
(Continued on next page)
MemoryCard err20
The printer has halted because you
attempted to insert/remove a memory
card into/from the printer slot while the
printer power is on.
Turn the power switch off and then on
to restart the printer.
Note: Make sure to turn the printer
power off before inserting/removing a
memory card.
(No indication patterns available)
Format error
MemoryCard
This message appears when the printer
is in the ready state and the memory
card is not formatted, and therefore
cannot be read or written.
(No
indication
patterns
available)
Format the memory card.
FS-1010
6-9
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6-1-2 Service error indications
Service errors are represented by the alternating flashing of the indicators (LEDs). Each error is
represented by the notation of four digits code and can be monitored on the Remote Operation
Panel utility. e.g. Call service 2000is for the main motor error.
(1) 2000 - Main motor error
Printer indicators
Call service
2000:nnnnnn
Remove and check
harness (S02773)
between engine board
(KP-882) and main
motor at pins 6 to 9 on
both ends.
No
OK?
Yes
Connect circuit tester to
pin 8 (MOTORN) of
YC04 on engine board
(KP-882) and ground.
+24 V DC at
pin 9 of CN1 on
main motor?
No
Connect oscilloscope to
pin 8 (MOTORN) and
pin 7 (MRDYN) of CN1
on main motor.
Turn printer power off,
then on.
Yes
Turn power switch off,
then on.
Print status page.
Does
Print status page.
pin 8 (MOTORN)
of YC04 on engine board
(KP-882) goes high,
then low?
Yes
Replace harness (S02773)
between engine board
(KP-882) and main motor.
Does
pin 7 (MRDYN)
No
No
of CN1 on main motor goes
high, then low, within 3 seconds
from pin 8 (MOTORN)
goes low?
Replace engine board
(KP-882). See page 5-11.
Yes
Replace main motor. See
page 5-15. If not solved, check
or replace drive unit. See
page 5-16.
FS-1010
6-10
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(2) 4000 - Laser scanner unit [Polygon motor] error
Printer indicators
Call service
4000:nnnnnn
+24 V DC at pin 5 of
YC06 on engine board
(KP-882) ?
No
Replace engine board
(KP-882). See page 5-11.
Yes
Replace laser scanner
unit. See page 5-29.
Connect oscilloscope to
pin 1 (PLGCLK) and pin
3 (PLGDRN) of YC06 on
engine board (KP-882).
Replace engine board
(KP-882). See page 5-11.
Turn power switch on.
Turn power switch on.
Turn power switch off,
then on.
No
OK?
No
OK?
Yes
Yes
End.
Does
pin 3 (PLGDRN) of
YC06 on engine board
(KP-882) goes high,
then low?
End.
No
Replace harness (S02779)
between engine bard and
laser scanner unit.
Yes
Does pin 2
(PLGRDYN) of YC6 on
engine board (KP-882) goes
high, then low, within 8 seconds
after pin 3 (PLGDRN)
goes high, then
Does
pin 1 (PLGCLK) of
YC06 on engine board
(KP-882) output
square-wave*
Yes
No
low?
*: 1417 Hz
(705 µs)
signal?
Replace engine board
(KP-882). See page 5-11.
No
Yes
Replace laser scanner
unit. See page 5-29.
Connect oscilloscope to
pin 2 (PLGRDYN) and
pin 3 (PLGDRN) of
YC06 on engine board
(KP-882).
A
Continued
to next page.
Turn power switch on.
No
OK?
Turn power switch off,
then on.
Yes
Replace harness (S02779)
between engine bard and
laser scanner unit.
End.
FS-1010
6-11
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Continued
from previous page.
A
Replace engine board
(KP-882). See page 5-11.
Turn power switch on.
No
OK?
Yes
Replace main board
(KP-888). See page 5-12.
End.
Turn power switch on.
No
OK?
Yes
End.
Replace harness (S02770)
between engine board and
main board.
FS-1010
6-12
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(3) 4200 - Laser scanner unit [Pin photo diode] error
Call service
4200:nnnnnn
Printer indicators
+5 V DC at pin 6 of
YC07 on main board
(KP-888) ?
No
Replace main board
(KP-888). See page 5-12.
Yes
Connect oscilloscope to
pin 4 (OUTPEN) of
YC07 on main board
(KP-888).
Replace main board
(KP-888). See page 5-12.
Turn power switch off,
then on.
Replace engine board
(KP-882). See page 5-11.
Turn power switch on.
Does
No
pin 4 (OUTPEN) of
YC06 on main board (KP-
888) goes high, then low
before "4200"
OK?
No
Turn power switch on.
Yes
error?
No
OK?
End.
Yes
Yes
End.
Connect oscilloscope to
pin 4 (OUTPEN) and
pin 8 (PDN) of YC07 on
main board (KP-888).
Replace harness (S02770)
between main board and
engine board.
Does pin 8
(PDN) of YC06 on
main board (KP-888) output
pulse signal*, within 0.1 second
after pin 4 (OUTPEN) goes
high, then
Turn power switch off,
then on.
Yes
low?
*: Pin photo diode
detect horizontal
No
synchronization signal
(Frequency: 1417 Hz,
Low level width: 10 µs)
B
C
Continued
Continued
to next page.
to next page.
FS-1010
6-13
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Continued
Continued
from previous page.
from previous page.
B
C
Replace laser scanner
unit. See page 5-29.
Replace main board
(KP-888). See page 5-12.
Replace main board
Turn power switch on.
(KP-888). See page 5-12.
No
OK?
Turn power switch on.
Yes
Replace harness
(S02779) between
engine board and laser
scanner
No
OK?
End.
Yes
Replace engine board
(KP-882). See page 5-11.
Replace engine board
(KP-882). See page 5-11.
Turn power switch on.
Yes
OK?
Turn power switch on.
No
OK?
No
Yes
Yes
OK?
Replace harness
(S02502) between main
board and laser scanner
unit.
End.
No
End.
Turn power switch on.
Replace harness
(S02770) between main
board and engine board.
Yes
OK?
No
End.
Replace harness
(S02770) between main
board and engine board.
FS-1010
6-14
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(4) 5300 - Eraser lamp error
Call service
Printer indicators
5300:nnnnnn
Turn power switch off,
then on.
Print a status page.
Does
pin 1(ERASPW)
No
of YC05 on engine board
(KP-882) output +24 V DC,
before shown "5300"
error ?
Yes
Turn power switch off,
then on.
Print a status page.
Does pin 2
No
(ERASER) of YC05 on
engine board (KP-882)
remain low?
Replace engine board
(KP-882). See page 5-11.
Yes
Replace eraser lamp
[PWB] (KP-790).
See page 5-29.
FS-1010
6-15
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(5) 6000 - Fuser unit error
Call service
6000:nnnnnn
Printer indicators
Turn power switch off,
and remove power cable.
Detach connector CN4
on power supply board.
Measure resistance
between pins 1 and 2
of the detached
connector.
Replace engine board
(KP-882). See page 5-11.
Yes
Open (infinite)?
Replace thermistor.
See page 5-26.
No
No
"6000" error
shown?
Detach connector CN1
on power supply board.
Yes
Replace harness
(S02772) between
engine board (KP-882)
and bias board (KP-884).
Measure resistance
between pins 1 and 3
of the detached
connector.
No
No
Yes
"6000" error
shown?
Open (infinite)?
Replace thermal cutout
or heater lamp.
Yes
No
See page 5-26 or 5-23.
Replace bias board or high
voltage board or power
supply board. See page 5-15
or 5-14.
End.
FS-1010
6-16
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(6) 7980 - Waste toner full [Total page count less than 100,000 pages of printing]
Call service
7980:nnnnnn
Printer indicators
Shake the process unit
horizontally.
Turn power switch off,
then on.
No
"7980" error
shown?
Yes
Replace the process
unit.
Turn power switch off,
then on.
No
"7980" error
shown?
Yes
End.
Replace the waste toner
sensor or engine board.
FS-1010
6-17
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(7) 7990 - Waste toner full [Total page count more than 100,000 pages of printing]
Call service
Printer indicators
7990:nnnnnn
Replace the process
Shake the process unit
horizontally.
unit.
Turn power switch off,
then on.
Turn power switch off,
then on.
No
"7990" error
shown?
Yes
"7990" error
shown?
End.
Yes
No
Replace the waste toner
sensor or engine board
(KP-882). See page 5-11.
End.
(8) F010 - Controller checksum error
Turn power switch off, then on. If not solved, replace main board (See page 5-12).
Printer indicators
Remote Operation Panel
Call service
F010:nnnnnn
(9) F020 - Controller RAM read/write error
Remove the expansion memory (DIMM). Turn power switch off, then on. If not solved, replace
main board. If solved, replace the expanding memory (See pages 2-8 and 5-12).
Printer indicators
Remote Operation Panel
Call service
F020:nnnnnn
FS-1010
6-18
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(10) F030 - Controller system error
Turn power switch off, then on. If not solved, replace main board (See page 5-12).
Printer indicators
Remote Operation Panel
Call service
F030:nnnnnn
(11) F040 - Communication error
Turn power switch off, then on. If not solved, replace engine board (See page 5-12) or main board
(See page 5-12).
Printer indicators
Remote Operation Panel
Call service
F040:nnnnnn
(12) F050 - Engine ROM checksum error
Turn power switch off, then on. If not solved, replace engine board (See page 5-12).
Printer indicators
Remote Operation Panel
Call service
F050:nnnnnn
FS-1010
6-19
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6-1-3 Print quality problems
Print quality problems range from uneven tone to completely blank output. The troubleshooting
procedure for each type of problem is given below.
(1) Completely
blank printout
See page 6-21.
(2) All-black
printout
(3) Dropouts
(4) Black dots
See page 6-23.
See page 6-24.
See page 6-22.
ABC
123
ABC
123
(5) Black horizontal (6) Black vertical (7) Unsharpness
(8) Gray
streaks
streaks
See page 6-26.
background
See page 6-27.
See page 6-24.
See page 6-25.
ABC
123
ABC
123
ABC
123
(9) Dirt on the top
edge or back of the
paper
See page 6-28.
ABC
123
FS-1010
6-20
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(1) Completely blank printout
Check the process unit.
• Check that the process unit is inserted correctly.
Check the transfer bias potential.
• Check the transfer bias output on the high voltage board. This requires removal of the left cover
and the test equipment. Replace the high voltage board if high voltage potential is not available on
the board (See page 5-14).
Check the laser scanner unit.
• The scanner components within the scanner may be disordered. Replace the laser scanner unit if
necessary (See page 5-29).
FS-1010
6-21
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(2) All-black printout
Check the main charger.
• Open the printer top cover and check that the process unit is correctly seated. Poor contact main
charger terminal between the process unit and the printer main unit.
Check the drum bias.
• Make sure the bias from the high voltage board correctly arrives at the process unit.
Check high voltage potential at the high voltage board.
• Check the high voltage output on the high voltage board. Replace the high voltage board if high
voltage potential is not available on the board.
FS-1010
6-22
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(3) Dropouts
ABC
123
Note the spacing of the defects. Refer to Repetitive defects gauge (See page 6-29).
• If the defects occur at regular intervals of 63 mm, the problem may be the damaged developing
roller (in the process unit). Replace the process unit.
•If the defects occur at regular intervals of 94 mm, the problem may be the damaged drum (in the
process unit). Replace the process unit.
•If the defects occur at regular intervals of 61 mm, the problem may be the damaged fuser unit.
Replace the press roller or heat roller (See page 5-28 or 5-14).
Check paper for property.
• Paper with rugged surface or dump tends to cause dropouts. Replace paper with the one that
satisfies the paper specifications.
Check the transfer roller installation.
• The transfer roller must be supported by the bushes at the both ends. Clean the bush to remove oil
and debris. Replace the transfer roller if necessary (See page 5-10).
Check the transfer bias potential.
• Check the transfer bias output on the high voltage board. This requires removal of the left cover
and the test equipment. Replace the high voltage board if high voltage potential is not available on
the board (See page 5-10).
FS-1010
6-23
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(4) Black dots
ABC
123
Note the spacing of the defects. Use the Repetitive defects gauge (See page 6-28).
• If the defects occur at regular intervals of 94 mm, the problem may be the damaged drum (in the
process unit). Replace the process unit.
• If the defects occur at random intervals, the toner may be leaking from the process unit. Replace
the process unit.
(5) Black horizontal streaks
ABC
123
Check the process unit’s ground of the process unit.
• The drum axle in the process unit and its counter part, the grounding tab in the printer, must be in
a good contact. If necessary, apply a small amount of electro-conductive grease onto the tab.
The drum may be defective.
• Replace the process unit.
FS-1010
6-24
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(6) Black vertical streaks
ABC
123
Contaminated main charger wire.
• Clean the main charger wire by pulling the green colored cleaning knob in and out several times.
Check the drum surface for a streak of toner laying lengthwise.
• A streak of toner remaining on drum after printing means that the cleaning blade (in the process
unit) is not working properly. Replace the process unit.
Defective magnet roller (in the process unit).
• Replace the process unit.
FS-1010
6-25
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(7) Unsharpness
Check paper for property.
• Paper with rugged surface or dump tends to cause unsharp printing. Replace paper with the one
that satisfies the paper specifications.
Check the transfer roller installation.
• The transfer roller must be supported by the bushes at the both ends. Clean the bush to remove oil
and debris. Replace the transfer roller if necessary (See page 5-10).
Check the transfer bias potential.
• Check the transfer bias output on the high voltage board. This requires removal of the left cover
and the test equipment. Replace the high voltage board if high voltage potential is not available on
the board (See page 5-14).
Check EcoPrint setting.
• The EcoPrint mode can provides faint, unsharp printing because it acts to conserve toner for draft
printing purpose. For normal printing, turn the EcoPrint mode off by using the Remote operation
panel. For details refer to the printer’s User’s Manual.
FS-1010
6-26
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(8) Gray background
ABC
123
Check the print density setting.
• The print density may be set too high. Try adjusting the print density using the Remote operation
panel utility. For details refer to the printer’s User’s Manual.
Check the surface potential of the drum (in the process unit).
• The drum potential should be approximately 400 V. This may vary depending on production lots.
Measurement is possible only by using the jig and tool specifically designed for this purpose. The
drum unit will have to be replaced if it bears values far out of the allowable range.
The developing roller (in the process unit) may be defective.
• If a process unit which is known to work normally is available for check, replace the current
process unit in the printer with the normal one. If the symptom disappears, replace the process unit
with a new one.
FS-1010
6-27
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(9) Dirt on the top edge or back of the paper
ABC
123
Check toner contamination in various parts.
• Dirty edges and back of the paper can be caused by toner accumulated on such parts as the paper
chute, paper transportation paths, the bottom of the process unit, and the fuser unit inlet. Clean
these areas and parts to remove toner.
Check the transfer roller.
• If the transfer roller is contaminated with toner, clean the transfer roller using a vacuum cleaner;
or by continuously printing a low-density page until the symptom has faded away.
FS-1010
6-28
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Repetitive defects gauge
Use the following measurements for checking repetitive occurrences on the printed page. See the
above section for details.
First occurrence of defect
[25 mm] Upper registration roller
[38 mm] Lower registration roller
[50 mm] Transfer roller
[61 mm] Heat roller, Press roller (Fuser unit)
[63 mm] Developing roller (Process unit)
[94 mm] Drum (Process unit)
Figure 6-1-2 Repetitive defects gauge
FS-1010
6-29
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6-1-4 Correcting a paper jam
If a paper jam occurs while you are printing, remove the jammed paper as described below. After
you have removed the jammed paper, open and close the top cover once.
(1) Jam at the face-down and face-up trays
1. Open the face-up tray and remove the jammed paper as shown in the figure.
Figure 6-1-3 Jam at the face-down and face-up trays
FS-1010
6-30
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(2) Jam at the paper cassette
1. Pull out the paper cassette and remove the jammed paper.
Figure 6-1-4 Jam at the paper cassette
(3) Jam inside the printer
1. Open the top cover and front cover.
2. Take the process unit together with the toner container out of the printer.
3. Remove the jammed paper.
Figure 6-1-5 Jam inside the printer
FS-1010
6-31
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Appendix A D i a g r a m s
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Appendix A Contents
Timing charts..........................................................................................................................................A-3
1. Option paper cassette feeding, two A4 size papers ........................................................................ A-3
2. Option paper cassette feeding, two legal size papers .................................................................... A-4
3. Option paper cassette feeding, two letter size papers .................................................................... A-5
4. MP tray feeding, two A4 size papers............................................................................................... A-6
5. MP tray feeding, two legal size papers ........................................................................................... A-7
6. MP tray feeding, two letter size papers ........................................................................................... A-8
Wiring diagram .......................................................................................................................................A-9
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Timing charts
1. Option paper cassette feeding, two A4 size papers
FS-1010
A-3
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2. Option paper cassette feeding, two legal size papers
FS-1010
A-4
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3. Option paper cassette feeding, two letter size papers
FS-1010
A-5
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4. MP tray feeding, two A4 size papers
FS-1010
A-6
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5. MP tray feeding, two legal size papers
FS-1010
A-7
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6. MP tray feeding, two letter size papers
FS-1010
A-8
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Wiring diagram
6
5
4
3
2
1
6
5
4
3
2
1
6
5
4
3
2
1
6
5
4
3
2
1
6
5
4
3
2
1
6
5
4
3
2
1
6
6
5
4
3
2
1
P F S E N
P F S E N
P F P F P E R
P F C L K
P F M D R N
P G N D
5
4
3
2
1
4
4
3
2
1
P F P F P E R
O U T 4
4
3
P F C L K
O U T 3
3
2
P F M D R N
O U T 2
2
1
P G N D
O U T 1
1
+ 2 4 V
+ 2 4 V
S 0 2 5 1 4
S 0 2 5 1 6
2
1
2
1
F E D D R N
+ 2 4 V
E r a s e r l a m p K P - 7 9 0
S 0 2 7 7 7
8
7
6
5
4
3
2
1
8
7
6
5
4
3
2
1
8
8
7
_
7
6
D
6
- I L +
5
5
4
3
U S B I / F
D
4
_
3
_
2
1
2
M e m o r y c a
_
1
D
S 0 2 7 7 8
O p t i o n a l I / F s l o
7
7
6
5
4
3
2
1
7
7
6
5
4
3
2
1
6
6
5
4
3
2
1
+
5
T
F
4
F
3
F
2
G
1
F
O p t i o n a l S e r i a l
P a r a l l e l I / F
D e v e l o p i n g r o l l e r
3
2
1
3
2
1
3
2
1
1 1
1 0
9
8
7
6
5
4
3
1 1
1 0
S G N D
+ 5 V
+ 5 V
T
1
2
2
1
9
Z C R O S S
8
E X I T N
S L E E P
N T H E A
7
6
5
L
N
3
1
3
1
T H E R M
4
3
2
1
+ 2 4 V 2
P G N D
F A
+ 2 4 V 1
S 0 2 7 7 5
S 0 2 7 7 4
2
1
N
N
L
N
L
r a T n s f e r r o l l e r
D r u m
FS-1010
A-9
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Appendix B S t a t u s
P a g e
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Appendix B Contents
Status page .............................................................................................................................................B-3
Printing the service status page .......................................................................................................... B-3
Details of service information .............................................................................................................. B-4
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Status page
The printer can print different types of the status page—the user (normal) status page and the
service status page. This section exclusively describes information obtainable with the service status
page. For information on the user (normal) status page, refer to the printer’s User’s Manual.
Information on the service page include various settings for the printer, service statistics, etc. To
print a service status page, proceed as follows:
Printing the service status page
To print a service status page, using the Go key on the operator panel. Or, have a PC running MS-
DOS and proceed as follows:
Go key
[Prints a user status page]
Press the Go key for 3 seconds or more and less than 10 seconds.
[Prints a service status page]
Press the Go key for 10 seconds or more.
PC
1Connect the printer to the PC via the parallel interface.
2Ensure that the printer is ready to print.
3At the DOS prompt, type:
echo !R! STAT 1; EXIT; >lpt1:
The service status page is printed. (If you omit ‘1,’ a user status page is printed.)
FS-1010
B-3
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Service information on the status page
An example of the service status page is shown below. (Note the details born by the status page my
differ from a firmware version to another.) Most of the service information are located under Service
information.
Most of these service information on the status page are alphanumerically-coded. Each item is
explained on the next page.
Details of service information
Controller firmware version*
Released date of the firmware
Released:
23/July/2001
Software version:
Service information
[A003][28.00C][17/05]
/t/P00/S00/F00/N00
Total page
9690
/0020/0020/1061/8811/
0/
0/
0/
/RS2/00/AI.E/G/1
/0200800000000000/0000000000000000/00000000000E1000/0000000000000000
/00800080/00800080/00800080/80000000/00000000/00000000/00000000/
/00000000/00000000/00000000/00000000/00000000/00000000/00000000/
SPD1:0203040508090A0B0C0D0F101112131415161718191A1B1C1D1E1F202122235E
SN:SPL92000010
Service information
FS-1010
B-4
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Service information
[A003][28.00C][17/05]
Total page
9690
2
1
3
4
/t/P00/S00/F00/N00
5 6 7 8 9
/0020/0020/1061/8811/ 0/ 0/ 0/
0
!
@
#
$
/RS2/00/AI.E/G/1
% ^ & * (
/0200800000000000/0000000000000000/00000000000E1000/0000000000000000
)
/00800080/00800080/00800080/80000000/00000000/00000000/00000000/
⁄
/00000000/00000000/00000000/00000000/00000000/00000000/00000000/
¤
SPD1:0203040508090A0B0C0D0F101112131415161718191A1B1C1D1E1F202122235E
‹
SN:SPL92000010
›
Example
1 [A003]
Meaning
Description
Engine ROM version
Boot ROM version
Internal use
-
-
-
-
-
2 [28.00C]
3 [17/05]
4 Total page 9690
5 /t
Total count page
Internal use
FS-1010
B-5
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Example
6 P00/
Meaning
Description
Parallel interface mode
bit 7= 0: No error with
bidirectional communication, 1:
Error with bidirectional
communication
bit 6= 0: No ECP
communication, 1: ECP
communication had occurred, at
least once.
bit 0 to 5= History of printer
parallel port directional
communication. 05= Nibble
(High-speed), 07= ECP
7 S00/
8 F00/
9 N00/
Serial interface error
00= Normal, bit 0= Framing error
bit 1= Overrun, bit 2= Parity error
Operator panel lock (Shown 01= Partially locked
only during locking) 02= Fully locked
NVRAM error (Shown only 01= ID error, 02= Version error,
if error has occurred)
03= Checksum error,
04= NVRAM error
0 /0020
! /0020
@ /1061
# /0811
Top margin
Left margin
Page length
Page width
Inches+1/100 inches (FRPO L1/L2)
Inches+1/100 inches (FRPO L2/L3)
Inches+1/100 inches (FRPO L4/L5)
Inches+1/100 inches (FRPO L6/L7)
In +1/600 inch
$
/ 0/ 0/ 0/
Left margin offset for paper
source (MP tray/Printer’s
cassette/Optional paper
feeder’s cassette)
% RS2
Serial interface mode
(Shown only optional serial
interface board is installed)
Average print coverage
(total)
RS2= RS-232C, RS4= RS422A
Hexadecimal (FRPO I4)
^ /00
Calibration table setting
FS-1010
B-6
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Example
&/AI.E
Meaning
Description
Average print coverage
(sum total)
Two digits for integer part; one
digit for decimal; unit is in
percent
*/G
Average print coverage
(most recent 20 pages)
B= Level 1 (Less than 0.5 %)
C= Level 2 (0.6 to 1.0 %)
D= Level 3 (1.1 to 2.0 %)
E= Level 4 (2.1 to 3.0 %)
F= Level 5 (3.1 to 4.0 %)
G= Level 6 (4.1 to 5.0 %)
H= Level 7 (5.1 to 10.0 %)
I= Level 8 (More than 10.0 %)
(/1
Operator panel message
language
PMSG command setting
(decimal)
)
⁄
/020080000000...
Engine parameter setting
Hexadecimal, 32 bytes (64 digits)
/00800080/...
Media type attribute setting
Media type 1 to 28
(Reserved: 12 to 20)
Fuser temperature, paper weight,
and duplex print setting value
¤
‹
/00000000/...
Media type attribute setting
Media type 1 to 28
(Reserved: 12 to 20)
For print density setting value
SPD1:02030405...
DRAM SPD (slot 1)
-
-
›SN:SPL9200010
Serial number for the printer
FS-1010
B-7
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Appendix C I n t e r f a c e
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Appendix C Contents
Parallel interface ....................................................................................................................................C-3
Selecting the parallel interface mode ..................................................................................................C-3
Parallel interface pin assignment ........................................................................................................C-4
Parallel interface signals .....................................................................................................................C-5
USB interface..........................................................................................................................................C-6
USB interface pin assignment.............................................................................................................C-6
Serial interface (Optional) .....................................................................................................................C-7
Changing the serial interface configuration.........................................................................................C-7
Serial interface signals ........................................................................................................................C-9
RS-232C interface voltage levels ........................................................................................................C-9
RS-422A interface voltage levels ........................................................................................................C-9
Connector configurations ..................................................................................................................C-10
RS-232C - For computers with a DB-9 connector ..................................................................C-10
RS-232C - For computers with a DB-25 connector ................................................................C-10
RS-422A .................................................................................................................................C-11
Protocol...................................................................................................................................C-11
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Parallel interface
The printer uses a bidirectional parallel interface for high-speed data transmission for the host
computer. This interface includes the buffers which are compatible with the IEEE 1284 standards.
The parallel interface provides support for the ECP and nibble modes in this standards. The parallel
interface mode can be changed by commanding Prescribe commands on a PC.
Selecting the parallel interface mode
To change the parallel interface mode, a PC running MS-DOS is needed. Connect the printer to the
PC via the parallel interface. Then, at the DOS prompt, type a FRPO O0 (the letter O and the
number zero) command as follows depending on the desired parallel mode:
To set the parallel interface mode...
Type at the DOS prompt...
Normal
echo !R! FPRO O0, 0; EXIT; lpt1:
echo !R! FPRO O0, 1; EXIT; lpt1:
echo !R! FPRO O0, 5; EXIT; lpt1:
echo !R! FPRO O0, 70; EXIT; lpt1:
*: Factory-set default.
High-speed
Nibble
Automatic*
FS-1010
C-3
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Parallel interface pin assignment
The pins of the parallel interface connector carry the signals listed below. The function for each
signal is detailed on the following page.
18
36
1
19
No. Terminal
Signal
No. Terminal
19 Ground
20 Ground
21 Ground
22 Ground
23 Ground
24 Ground
25 Ground
26 Ground
27 Ground
28 Ground
29 Ground
30 Ground
31 nInit
Signal
GND
1
2
3
4
5
6
7
8
9
nStrobe
Data1
Data2
Data3
Data4
Data5
Data6
Data7
Data8
(STBIN1/2*)
(PAD0)
GND
(PAD1)
GND
(PAD2)
GND
(PAD3)
GND
(PAD4)
GND
(PAD5)
GND
(PAD6)
GND
(PAD7)
GND
10 nAck
(ACKOUT)
(BUSYOUT)
(PERROR)
(SELECT)
(AUTOFD*)
NC
GND
11 Busy
GND
12 PError
GND
13 Select
(INIT*)
(FAULT*)
Pull-up (1kΩ)
NC
14 nAutoFd
15 Not defined
16 Logic ground
17 Chassis ground
18 Peri-logic H
32 nFault
33 Not defined
34 Not defined
35 Not defined
36 nSelect In
GND
GND
Pull-up (1kΩ)
(SELECTI*)
(VCC)
Maximum rated current for pin 18 is 400 mA (fused).
FS-1010
C-4
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Parallel interface signals
The following table provides details for the signals used on the printer’s parallel interface. Note
descriptions in [ ] are for high-speed mode of the parallel interface.
Signal
Meaning
A negative-going Strobe* pulse causes the printer to read and latch
the data on the Data 0 [1] to Data 7 [8] signal lines.
These eight signals form the data byte sent from the host computer to
the printer. Data 7 [8] is the most significant bit and Data 0 [1] is the
least significant bit.
Strobe* [nStrobe] (Pin 1)
Data 0 [1] to Data 7 [8]
(Pins 2 to 9)
This signal is returned to the host computer. This negative-going pulse
acknowledges the previous character received by the printer.
Acknowledge* pulses are sent only when Busy is low.
This signal is returned to the host computer. This signal is high when
the printer is busy and low when it is able to accept more data. Every
high-to-low transition is followed by an Acknowledge* pulse.
This signal is returned to the host computer. This signal goes high
when the printer runs out of paper.
Acknowledge* [nAck]
(Pin 10)
Busy [Busy] (Pin 11)
Paper Empty [PError]
(Pin 12)
This signal is returned to the host computer. This signal is high when
the printer is on-line and low when the printer is off-line. It goes low
when the upper unit is raised, or when the Go key is pressed to set the
printer off-line.
On-Line [Select] (Pin 13)
Note: The Paper Empty and On-Line signals are not used unless
enabled by the FRPO command (O2 parameter).
This signal is used in the Epson version of the Centronics interface to
receive a carriage return. In high-speed mode, it is used as an interrupt.
This line is connected to the printer’s +5 V DC line (+5 V ±0.5 V, 400
mA maximum, fused).
Auto-Feed [nAutoFd]
(Pin 14)
+5 V DC (pin 18)
This signal is used in the standard Centronics interface to enable the
computer to reset the printer. It is ignored by the printer.
When the high-speed parallel line control is on (FRPO O2 = 2), this
line returns error status to the host computer.
Prime [nInit] (Pin 31)
Error* [nFault] (Pin 32)
This signal line is not used.
Auxiliary output 1 (Pin 33)
Power Ready (Pin 35)
Select In [NSelectIn]
This signal is high when the printer’s power is on.
This signal is used in some versions of the Centronics interface to
enable the computer to force the printer on-line. In high-speed mode,
it is used as an interrupt.
FS-1010
C-5
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USB interface
This printer supports the USB (Universal Serial Bus) Revision 1.1 standards. USB interface
specifications and interface signals are as follows:
Item
Specifications
Basic specification
Connectors
Complies with the USB Revision 1.1 standards.
Printer: B-type receptacle (female) with upstream port
Cable: B-type plug (male)
Cable
Use shielded cable that complies with the USB Revision 1.1 standards and
not longer than 5 meters (16 feet).
Transfer mode
Power control
Full speed (max. 12 Mbps)
Self-power device
USB interface pin assignment
2
3
1
4
Shell
No.
1
Signal
Description
Vbus
D-
Power supply (+5 V)
Data transmission
Data transmission
Signal ground Shell Shield
Shell: Shield
2
3
D+
4
GND
FS-1010
C-6
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Serial interface (Optional)
The printer is equipped with an optional slot for adding a serial port. To add a serial port, the serial
interface board is equipped.
The device responsible for controlling the serial interface is integrated in the gate array in the
controller system. The serial interface supports both protocols of RS-232C and RS-422A.
Toggling the protocol between RS-232C and RS-422A is made by a shorting jumper socket that is
accessible on the main board. (The jumper wire arrangement, that used to be provided for the
succeeding models to switch the DTR polarity is not used with these models.) To change the serial
interface protocol, refer to Changing the serial interface configuration section which follows.
A 25-pin D-sub connector is used for the serial interface. The extra signals used for RS-422A are
assigned to these pins that are not used for RS-232C according to the IBM pin assignment scheme.
Changing the serial interface configuration
To change the serial interface protocol form RS-232C to RS-422A, or vice versa, the IB-10E board
must be taken out from the printer. Protect the electronics by taking these precautions:
CAUTION
Before touching the main board, touch a water pipe or other large metal object
to discharge yourself of static electricity. While doing the work, it is
recommended that you wear an antistatic wrist strap.
Touch the main board only by the edge.
FS-1010
C-7
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Remove two thumb screws 1 then draw the serial interface board 2. To change the serial protocol
from RS-232C to RS-422A, for example, carefully remove the jumper connector 3 on the serial
interface board 2. Reconnect to the pin position as shown in the diagram. Replace the serial
interface board 2 back into the printer. Secure the board by the thumb screws.
3
1
2
FS-1010
C-8
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Serial interface signals
The following table provides details for the signals used on the serial interface board.
Signal
FG (Pin 1)
Meaning
This pin is connected directly to the printer frame.
RS-232C only: This output carries asynchronous data sent by the printer to
the computer. It is used mainly in handshaking protocols.
This input carries serial asynchronous data sent by the computer to the
printer. In RS-422A, this carries the inverted differential data (RDA).
This output is always held high (above 3 V).
TxD (Pin 2)
RxD/RDA (Pin 3)
RTS (Pin 4)
CTS (Pin 5)
DSR (Pin 6)
SG (Pin 7)
Unused.
Unused.
All signals can transmit between the printer and the host computer to send
each signals with a signal ground.
SDA (Pin 8, 9)
SDB (Pin 8, 10)
DTR (Pin 20)
This output transmits asynchronous inverted form of differential data from
the printer to the computer.
This output carries asynchronous non-inverted form of differential data
from the computer to the printer.
This output is used as a buffer nearly-full handshake line. It is held high
(above 3 V) when the buffer can accept more data.
RS-232C interface voltage levels
The voltage levels of the RS-232C signals conform to EIA RS-232C specifications. FALSE is from
3 volts to 15 volts. TRUE is from -3 volts to -15 volts. Voltages between -3 volts and 3 volts are
undefined. The voltage levels of the RS-422A signals are equivalent to those of the RS-232C signals
except the signals used for transmission and reception.
RS-422A interface voltage levels
The interface signal voltage levels for RS-422A conforms with the EIA RS-422A standards. The
differential voltage ranges is from 200 mV to 6 V.
FS-1010
C-9
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Connector configurations
The printer uses a DB-25 connector for the serial interface. Depending on the computer configurations
for serial interface, use either of the appropriate configurations. A special cable must be prepared or
obtained for the RS-422A configuration by referring to the diagram (last) below.
RS-232C - For computers with a DB-9 connector
Printer
serial port (DB-25)
Computer
serial port (DB-9)
RXD
TXD
2
3
4
5
6
7
8
2
3
4
5
6
7
)
TXD
DTR
GND
DSR
RTS
CTS
RXD
RTS
CTS
DSR
SG
DTR
RS-232C - For computers with a DB-25 connector
Printer
serial port (DB-25)
Computer
serial port (DB-25)
GND
FG
1
1
TXD
TXD
2
2
RXD
RXD
3
3
RTS
RTS
4
4
CTS
CTS
5
5
DSR
DSR
6
6
GND
SG
7
7
DTR
DTR
)
)
FS-1010
C-10
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RS-422A
Printer
serial port (DB-25)
Computer
serial interface
Frame ground
FG
1
Signal ground
RD−ꢀ
3
SG
7
Rx terminal
Tx terminal
SD−
9
0
SD+
RD+
*
On the computer serial port, investigate pin assignments depends on the computer manufacture’s
instruction. Since the RS-422A configuration does not employ control lines except for data
transmission/reception, select a mode in which signals such as DTR are not used.
Protocol
The serial interface supports the full baud rate of: 1200, 2400, 4800, 9600, and 19200, 38400,
57600 and 115.2 k (bps). For adjusting serial interface parameters including baud rate, parity, etc.,
refer to optional Serial interface board User’s Manual.
FS-1010
C-11
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