Toshiba e-STUDIO 163 How to use

SERVICE HANDBOOK
MULTIFUNCTIONAL DIGITAL SYSTEMS
e-STUDIO163/203
File No. SHE05000500
R05092196300-TTEC
Ver00_2005-12

© 2005 TOSHIBA TEC CORPORATION All rights reserved
Under the copyright laws, this manual cannot be reproduced in any form without prior written permission
of TOSHIBA TEC CORPORATION. No patent liability is assumed, however, with respect to the use of the
information contained herein.

GENERAL PRECAUTIONS REGARDING THE SERVICE FOR
e-STUDIO163/203
The installation and service should be done by a qualified service
technician.
1) Transportation/Installation
- When transporting/installing the equipment, employ two persons and be sure to hold the posi-
tions as shown in the figure.
The equipment is quite heavy and weighs approximately 32 kg (70.55 lb), therefore pay full atten-
tion when handling it.
- Be sure not to hold the movable parts or units when transporting the equipment.
- Be sure to use a dedicated outlet with AC 110 V / 13.2 A, 115 V or 127 V / 12 A, 220-240 V or 240
V / 8 A for its power source.
- The equipment must be grounded for safety.
- Select a suitable place for installation. Avoid excessive heat, high humidity, dust, vibration and
direct sunlight.
- Provide proper ventilation since the equipment emits a slight amount of ozone.
- To insure adequate working space for the copying operation, keep a minimum clearance of 80
cm (32”) on the left, 80 cm (32”) on the right and 10 cm (4”) on the rear.
- The equipment shall be installed near the socket outlet and shall be easily accessible.
- Be sure to fix and plug in the power cable securely after the installation so that no one trips over
it.

2) General Precautions at Service
- Be sure to turn the power OFF and unplug the power cable during service (except for the service
should be done with the power turned ON).
- Unplug the power cable and clean the area around the prongs of the plug and socket outlet once
a year or more. A fire may occur when dust lies on this area.
- When the parts are disassembled, reassembly is the reverse of disassembly unless otherwise
noted in this manual or other related documents. Be careful not to install small parts such as
screws, washers, pins, E-rings, star washers in the wrong places.
- Basically, the equipment should not be operated with any parts removed or disassembled.
- The PC board must be stored in an anti-electrostatic bag and handled carefully using a wristband
since the ICs on it may be damaged due to static electricity.
- Avoid expose to laser beam during service. This equipment uses a laser diode. Be sure not to
expose your eyes to the laser beam. Do not insert reflecting parts or tools such as a screwdriver
on the laser beam path. Remove all reflecting metals such as watches, rings, etc. before starting
service.
- Be sure not to touch high-temperature sections such as the exposure lamp, fuser unit, damp
heater and areas around them.
- Be sure not to touch high-voltage sections such as the chargers, developer, high-voltage trans-
former and power supply unit. Especially, the board of these components should not be touched
since the electric charge may remain in the capacitors, etc. on them even after the power is
turned OFF.
- Make sure that the equipment will not operate before touching potentially dangerous places (e.g.
rotating/operating sections such as gears, belts pulleys, fans and laser beam exit of the laser
optical unit).
- Be careful when removing the covers since there might be the parts with very sharp edges
underneath.
- When servicing the equipment with the power turned ON, be sure not to touch live sections and
rotating/operating sections. Avoid exposing your eyes to laser beam.
- Use designated jigs and tools.
- Use recommended measuring instruments or equivalents.
- Return the equipment to the original state and check the operation when the service is finished.
3) Important Service Parts for Safety
- The breaker, door switch, fuse, thermostat, thermofuse, thermistor, IC-RAMs including lithium
batteries, etc. are particularly important for safety. Be sure to handle/install them properly. If
these parts are short-circuited and their functions become ineffective, they may result in fatal
accidents such as burnout. Do not allow a short-circuit or do not use the parts not recommended
by Toshiba TEC Corporation.
4) Cautionary Labels
- During servicing, be sure to check the rating plate and cautionary labels such as “Unplug the
power cable during service”, “CAUTION. HOT”, “CAUTION. HIGH VOLTAGE”, “CAUTION.
LASER BEAM”, etc. to see if there is any dirt on their surface and if they are properly stuck to the
equipment.
Caution: Before using the wristband, unplug the power cable of the equipment and
make sure that there are no charged objects which are not insulated in the
vicinity.

5) Disposal of the Equipment, Supplies, Packing Materials, Used Batteries and IC-RAMs
- Regarding the recovery and disposal of the equipment, supplies, packing materials, used batter-
ies and IC-RAMs including lithium batteries, follow the relevant local regulations or rules.
Caution:
Dispose of used batteries and IC-RAMs including lithium batteries according to this manual.
Attention:
Se débarrasser de batteries et IC-RAMs usés y compris les batteries en lithium selon ce manuel.
Vorsicht:
Entsorgung der gebrauchten Batterien und IC-RAMs (inclusive der Lithium-Batterie) nach diesem Handbuch.

December 2005 © TOSHIBA TEC e-STUDIO163/203 CONTENTS
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CONTENTS
e-STUDIO1 63/203
1. SPECIFICATIONS / ACCESSORIES / OPTIONS / SUPPLIES ................................... 1-1
1.1 Specifications....................................................................................................................... 1-1
1.2 Accessories ......................................................................................................................... 1-5
1.3 Options ................................................................................................................................ 1-6
1.4 Supplies ............................................................................................................................... 1-7
1.5 System List .......................................................................................................................... 1-8
2. ERROR CODE AND SELF-DIAGNOSTIC MODE........................................................ 2-1
2.1 Error Code List..................................................................................................................... 2-1
2.1.1 Jam........................................................................................................................... 2-1
2.1.2 Service call ...............................................................................................................2-2
2.2 Self-diagnosis Modes .......................................................................................................... 2-3
2.2.1 Input check (Test mode 03)...................................................................................... 2-5
2.2.2 Output check (Test mode 04) ................................................................................... 2-8
2.2.3 Test print mode (Test mode 07) ............................................................................. 2-10
2.2.4 List Print Mode (9S)................................................................................................ 2-11
2.2.5 Access code mode (8S) ......................................................................................... 2-13
2.2.6 Function Setting Mode (1*)..................................................................................... 2-15
2.2.7 Adjustment mode (05) ............................................................................................ 2-16
2.2.8 Setting mode (08) ................................................................................................... 2-32
3. ADJUSTMENT .............................................................................................................. 3-1
3.1 Adjustment of Auto-Toner Sensor ....................................................................................... 3-1
3.2 Image Dimensional Adjustment ........................................................................................... 3-3
3.2.1 General description .................................................................................................. 3-3
3.2.2 Paper alignment at the registration roller ................................................................. 3-5
3.2.3 Printer related adjustment ........................................................................................ 3-7
3.2.4 Scanner related adjustment ................................................................................... 3-11
3.3 Image Quality Adjustment (Copying Function) .................................................................. 3-19
3.3.1 Density adjustment................................................................................................. 3-19
3.3.2 Gamma slope adjustment ...................................................................................... 3-20
3.3.3 Sharpness adjustment............................................................................................ 3-21
3.3.4 Setting range correction ......................................................................................... 3-22
3.3.5 Setting range correction (Adjustment of background peak) ................................... 3-22
3.3.6 Adjustment of smudged/faint text ........................................................................... 3-23
3.3.7 Adjustment of image density .................................................................................. 3-24
3.4 Image Quality Adjustment (Printing Function) ................................................................... 3-25
3.4.1 Adjustment of smudged/faint text ........................................................................... 3-25
3.4.2 Adjustment of image density .................................................................................. 3-26
3.5 Adjustment of High-Voltage Transformer .......................................................................... 3-27
3.5.1 Adjustment ............................................................................................................. 3-27
3.5.2 Precautions ............................................................................................................ 3-33
3.6 Adjustment of the Scanner Section ................................................................................... 3-35
3.6.1 CIS unit...................................................................................................................3-35
3.6.2 CIS unit drive belt-1 ................................................................................................ 3-35
3.6.3 Scan motor (CIS unit drive belt-2) .......................................................................... 3-36
3.7 Adjustment of the Paper Feeding System ......................................................................... 3-37
3.7.1 Sheet sideways deviation caused by paper feeding .............................................. 3-37
3.8 Adjustment of Developer Unit ............................................................................................ 3-38
3.8.1 Doctor-to-sleeve gap .............................................................................................. 3-38
3.9 Adjustment of the ADF (MR-2017) .................................................................................... 3-41
3.9.1 Adjustment of ADF Position ................................................................................... 3-41
3.9.2 Adjustment of ADF Height ...................................................................................... 3-46

e-STUDIO163/203 CONTENTS December 2005 © TOSHIBA TEC
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3.9.3 Adjustment of Skew................................................................................................ 3-48
3.9.4 Adjustment of the Leading Edge Position .............................................................. 3-50
3.9.5 Adjustment of Horizontal Position .......................................................................... 3-51
3.9.6 Adjustment of Copy Ratio....................................................................................... 3-52
3.9.7 Adjustment of ADF Opening/Closing Sensor ......................................................... 3-53
4. PREVENTIVE MAINTENANCE (PM)............................................................................ 4-1
4.1 General Descriptions for PM Procedure .............................................................................. 4-1
4.2 Operational Items in Overhauling ........................................................................................ 4-2
4.3 Preventive Maintenance Checklist....................................................................................... 4-3
4.4 PM KIT............................................................................................................................... 4-12
4.5 Jig List ............................................................................................................................... 4-13
4.6 Grease List ........................................................................................................................ 4-14
4.7 Precautions for Storing and Handling Supplies ................................................................. 4-15
4.7.1 Precautions for storing TOSHIBA supplies ............................................................ 4-15
4.7.2 Checking and cleaning of photoconductive drum................................................... 4-16
4.7.3 Checking and cleaning of drum cleaning blade...................................................... 4-17
4.7.4 Checking and cleaning of fuser roller and pressure roller ...................................... 4-17
5. TROUBLESHOOTING .................................................................................................. 5-1
5.1 Diagnosis and Prescription for Each Error Code ................................................................. 5-1
5.1.1 Paper transport jam.................................................................................................. 5-1
5.1.2 Paper misfeeding ..................................................................................................... 5-4
5.1.3 Cover open jam ........................................................................................................ 5-7
5.1.4 Transport jam (ADF)............................................................................................... 5-10
5.1.5 Drive system related service call............................................................................ 5-13
5.1.6 Scanning system related service call ..................................................................... 5-14
5.1.7 Fuser unit related service call................................................................................. 5-15
5.1.8 ADF related service call ......................................................................................... 5-17
5.1.9 Laser optical unit related service call ..................................................................... 5-17
5.1.10 Service call for others............................................................................................. 5-18
5.2 Troubleshooting for the Image........................................................................................... 5-19
5.3 Replacement of PC Boards ............................................................................................... 5-41
5.3.1 Replacing MAIN board ........................................................................................... 5-41
5.3.2 Replacing SRAM board .......................................................................................... 5-41
6. FIRMWARE UPDATING ............................................................................................... 6-1
6.1 Firmware Updating with Download Jig ................................................................................ 6-1
6.1.1 PWA-DWNLD-350-JIG ............................................................................................. 6-2
6.1.2 Writing the data to the download jig (PWA-DWNLD-350-JIG) ................................. 6-5
6.2 Firmware Updating with TOSHIBA Viewer .......................................................................... 6-7
7. POWER SUPPLY UNIT ................................................................................................ 7-1
7.1 Output Channel ................................................................................................................... 7-1
7.2 Fuse..................................................................................................................................... 7-2
7.3 Configuration of Power Supply Unit..................................................................................... 7-3
8. WIRE HARNESS CONNECTION.................................................................................. 8-1
8.1 AC Wire Harness ................................................................................................................. 8-1
8.2 DC Wire Harness....................................................................................................... Appendix
8.3 Electric Parts Layout.................................................................................................. Appendix

1
2
3
4
5
6
7
8
1. SPECIFICATIONS / ACCESSORIES /
OPTIONS / SUPPLIES
2. ERROR CODE AND SELF-DIAGNOSTIC
MODE
3. ADJUSTMENT
4. PREVENTIVE MAINTENANCE (PM)
5. TROUBLESHOOTING
6. FIRMWARE UPDATING
7. POWER SUPPLY UNIT
8. WIRE HARNESS CONNECTION

December 2005 © TOSHIBA TEC e-STUDIO163/203 SPECIFICATIONS / ACCESSORIES / OPTIONS / SUPPLIES
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1. SPECIFICATIONS / ACCESSORIES / OPTIONS / SUPPLIES
1.1 Specifications
Copy process Indirect electrophotographic process (dry)
Type Desktop type
Original table Fixed type (the left rear corner used as guide to place originals)
 Accepted originals Sheet, book and 3-dimensional object. The automatic document feeder
(ADF) only accepts paper which are not pasted or stapled. (Single-sided orig-
inals: 50 to 127 g/m2/13 to 34 lb. Bond) Carbon paper are not acceptable
either.
Maximum size: A3/LD
 Copy speed (Copies/min.)
e-STUDIO163
e-STUDIO203
* “–” means “Not acceptable”.
* The copy speed in the above table are available when originals are manually placed for single side,
multiple copying.
* When the ADF is used, the copy speed of 16[20] sheets per minute is only available under the fol-
lowing conditions:
• Original/Mode: Single side original/A4/LT size. APS/automatic density are not selected.
• Number of sheets: 16[20] or more.
• Reproduction ratio: 100%
Values in [ ] are for e- STUDIO203 in case that the specification is different among e-STUDIO163
and e-STUDIO203.
Paper size Drawer Bypass feed PFU
Size specified Size not specified
A4, B5, LT 16 16 11 16
A5-R, ST-R - 16 11 -
A4-R, B5-R, LT-R 15.5 15.5 11 15.5
B4, LG, FOLIO, COMPUTER 13 13 11 13
A3, LD 11 11 11 11
Paper size Drawer Bypass feed PFU
Size specified Size not specified
A4, B5, LT 20 20 11 20
A5-R, ST-R - 20 11 -
A4-R, B5-R, LT-R 15.5 15.5 11 15.5
B4, LG, FOLIO, COMPUTER 13 13 11 13
A3, LD 11 11 11 11

e-STUDIO163/203 SPECIFICATIONS / ACCESSORIES / OPTIONS / SUPPLIES December 2005 © TOSHIBA TEC
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Copy speed for thick paper (Copies/min.)
e-STUDIO163/203
Thick 1 (81 g/m2to 105 g/m2, 21.3 lb. Bond to 28 lb. Bond)
Thick 2 (106 g/m2to 163 g/m2, 28 lb. Bond to 90 lb. Index)
 Copy paper
 First copy time ..................... Approx. 7.6 sec. or less
(A4/LT, 100%, original placed manually)
 Warming-up time.................. Approx. 25 sec. (temperature: 20°C)
 Multiple copying ................... Up to 999 copies; Key in set numbers
 Reproduction ratio ............... Actual ratio: 100±0.5%
Zooming: 25 to 200% in increments of 1%
 Resolution/Gradation ........... Scanning: 600 dpi x 600 dpi
Printing: Equivalent to 2400 dpi x 600 dpi
Gradation: 256 steps
Paper size Drawer
Bypass feed
PFU
Size specified Size not specified
A4, B5, LT - [-] 16 [18.5] 10.5 [10.5] - [-]
A5-R, ST-R - [-] 16 [18.5] 10.5 [10.5] - [-]
A4-R, B5-R, LT-R - [-] 14.5 [14.5] 10.5 [10.5] - [-]
B4, LG, FOLIO, COMPUTER - [-] 12 [12] 10.5 [10.5] - [-]
A3, LD - [-] 10.5 [10.5] 10.5 [10.5] - [-]
Paper size Drawer
Bypass feed
PFU
Size specified Size not specified
A4, B5, LT - [-] 16 [18.5] 10.5 [10.5] - [-]
A5-R, ST-R - [-] 16 [18.5] 10.5 [10.5] - [-]
A4-R, B5-R, LT-R - [-] 14.5 [14.5] 10.5 [10.5] - [-]
B4, LG, FOLIO, COMPUTER - [-] 12 [12] 10.5 [10.5] - [-]
A3, LD - [-] 10.5 [10.5] 10.5 [10.5] - [-]
Drawer PFU Bypass copy Remarks
Size A3, A4, A4-R, B4, B5,
B5-R, LD, LG, LT, LT-R,
FOLIO, COMPUTER,
13"LG, 8.5" x 8.5", 8K,
16K, 16K-R
A3 to A5-R, LD to ST-R, FOLIO, COM-
PUTER, 13"LG, 8.5" x 8.5", 8K, 16K,
16K-R
(Non-standard or user-specified sizes
can be set.)
Weight 64 to 80 g/m250 to 163 g/m2(Single paper feeding)
64 to 80 g/m2(Continuous feeding)
Special
paper
– Tracing paper, labels, OHP film
(thickness: 80 µm or thicker),
These special papers rec-
ommended by Toshiba Tec

December 2005 © TOSHIBA TEC e-STUDIO163/203 SPECIFICATIONS / ACCESSORIES / OPTIONS / SUPPLIES
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 Eliminated portion ................ Leading edges: 3.0±2.0 mm, Side/trailing edges: 2.0±2.0 mm (copy)
Leading / trailing edges: 5.0±2.0 mm, Side edges: 5.0±2.0 mm (print)
Paper feeding ......................... Standard drawer:
1 drawer (stack height 28 mm, equivalent to 250 sheets; 64 to
80 g/m2(17 to 22 lb. Bond))
Paper Feed Unit (PFU):
Option (One drawer: stack height 28 mm, equivalent to 250
sheets; 64 to 80 g/m2(17 to 22 lb. Bond))
Bypass feeding:
Stack height 11.8 mm: equivalent to 100 sheets; 64 to 80 g/m2
(17 to 22 lb. Bond)
Capacity of originals in the automatic document feeder (Option)
.................................................. A3 to A5-R, LD to ST-R:
100 sheets / 80 g/m2(Stack height 16 mm or less)
Toner supply ........................... Automatic toner density detection/supply
Toner cartridge replacing method (There is a recovered toner supply
mechanism.)
 Density control ..................... Automatic density mode and manual density mode selectable in 7
steps
 Weight.................................. Approximately 32 kg (70.55 lb.) (excluding the developer material and
toner)
 Power requirements............. AC 110 V / 13.2 A, 115 V or 127 V / 12 A
220-240 V or 240 V / 8 A (50/60 Hz)
* The acceptable value of each voltage is ±10%.
 Power consumption ............. 1.5 kW or less (100 V series)
1.6 kW or less (200 V series)
* The electric power is supplied to the ADF through the equipment.
 Total counter ........................ Electronical counter

e-STUDIO163/203 SPECIFICATIONS / ACCESSORIES / OPTIONS / SUPPLIES December 2005 © TOSHIBA TEC
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 Dimensions of the equipment .................. W 600 x D 643 x H 462.5 (mm): See the figure below
Fig. 1-1
W
H
D

December 2005 © TOSHIBA TEC e-STUDIO163/203 SPECIFICATIONS / ACCESSORIES / OPTIONS / SUPPLIES
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1.2 Accessories
* Machine version
NAD: North America
ASD: Hong Kong / Latin America
AUD: Australia
MJD: Europe
ASU: Asia / Saudi Arabia
SAD: Saudi Arabia
ARD: Latin America
CND: China
TWD: Taiwan
KRD: Korea
JPD: Japan
Unpacking/setup instruction 1 set
Operator’s manual 1 pc.
Operator's manual pocket 1 pc.
Power cable 1 pc.
CD-ROM 2 pcs.
Rubber plug 6 pcs.
Transfer charger wire cleaner
(installed inside of the transfer cover)
1 pc.
Drum (installed inside of the equipment) 1 pc.
Developer material 1 pc.
Toner cartridge 1 pc.
Warranty sheet 1 pc. (for NAD and CND)
Setup report 1 set (for NAD, MJD and CND)
Customer satisfaction card 1 pc. (for MJD)
Packing list 1 pc. (for CND)
Customer survey sheet 1 pc. (for CND)
Certificate of conformance 1 pc. (for CND)

e-STUDIO163/203 SPECIFICATIONS / ACCESSORIES / OPTIONS / SUPPLIES December 2005 © TOSHIBA TEC
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1.3 Options
Platen Cover KA-1640 PC
Automatic Document Feeder (ADF) MR-2017
Paper Feed Unit (PFU) MY-1027 / C
Expansion Memory GC-1240

December 2005 © TOSHIBA TEC e-STUDIO163/203 SPECIFICATIONS / ACCESSORIES / OPTIONS / SUPPLIES
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1.4 Supplies
Drum OD-1600 (except for China)
OD-2320 (for China)
Toner cartridge PS-ZT1640 (4) (for North America)
PS-ZT1640D (4) (for Asia, Central and South America)
PS-ZT1640D5K (4) (for Asia, Central and South America)
PS-ZT1640C (4) (for China)
PS-ZT1640C5K (4) (for China)
PS-ZT1640T (4) (for Taiwan)
PS-ZT1640E (1) (for Europe)
PS-ZT1640E5K (1) (for Europe)
Developer material D-2320 (except for China)
D-2320C (for China)

e-STUDIO163/203 SPECIFICATIONS / ACCESSORIES / OPTIONS / SUPPLIES December 2005 © TOSHIBA TEC
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1.5 System List
Fig. 1-2
Platen Cover
KA-1640PC
Expansion
Memory
GC-1240
Paper Feed
Unit (PFU)
MY-1027
Automatic
Document Feeder
(ADF)
MR-2017

December 2005 © TOSHIBA TEC e-STUDIO163/203 ERROR CODE AND SELF-DIAGNOSTIC MODE
2 - 1
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2. ERROR CODE AND SELF-DIAGNOSTIC MODE
2.1 Error Code List
2.1.1 Jam
One of the following error codes is displayed with “7-segment LED” while pressing the [CLEAR/
STOP] button and the digital key [8] simultaneously when the “CLEAR PAPER” or “CALL
SERVICE” symbol is blinking.
Error code Classification Contents Troubleshooting
E01 Paper exit jam Jam not reaching the exit sensor: The paper which
has passed through the fuser unit does not reach
the exit sensor.
P. 5 - 1
E02 Stop jam at the exit sensor: The trailing edge of the
paper does not pass the exit sensor after its leading
edge has reached this sensor.
P. 5 - 1
E03 Other paper jam Power-ON jam: The paper is remaining on the
paper transport path when power is turned ON.
P. 5 - 2
E09 Jam at the registration area due to registration time-
out error
-
E12 Paper misfeeding Bypass misfeeding (Paper not reaching the regis-
tration sensor): The paper fed from the bypass tray
does not reach the registration sensor.
P. 5 - 4
E13 Drawer misfeeding (Paper not reaching the regis-
tration sensor): The paper fed from the drawer does
not reach the registration sensor.
P. 5 - 5
E14 PFU drawer misfeeding (Paper not reaching the
PFU feed sensor): The paper fed from the PFU
drawer does not reach the PFU feed sensor.
P. 5 - 6
E21 Paper transport jam PFU drawer transport jam (Paper not reaching the
registration sensor): The paper does not reach the
registration sensor after it has passed the PFU feed
sensor.
P. 5 - 3
E40 Cover open jam Transfer cover open jam: The transfer cover has
opened during printing.
P. 5 - 7
E41 Front cover open jam: The front cover has opened
during printing.
P. 5 - 8
E44 PFU cover open jam: The PFU cover has opened
during printing.
P. 5 - 9
E71 ADF jam Jam not reaching the original registration sensor:
The original fed from the original feeding tray does
not reach the original registration sensor.
P. 5 - 1 0
E72 Jam not reaching the read sensor: The original
does not reach the read sensor after it has passed
the registration sensor.
P. 5 - 1 0
E73 Stop jam at the exit sensor: The trailing edge of the
original does not pass the exit sensor after its lead-
ing edge has reached this sensor.
P. 5 - 11
E86 ADF jam access cover open: The ADF jam access
cover has opened during ADF operation.
P. 5 - 11
E87 ADF open jam: ADF has opened during ADF opera-
tion.
P. 5 - 1 2

e-STUDIO163/203 ERROR CODE AND SELF-DIAGNOSTIC MODE December 2005 © TOSHIBA TEC
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2.1.2 Service call
Error code Classification Contents Troubleshooting
C01 Drive system
related service call
Main motor abnormality: The main motor is not rotating
normally.
P. 5-13
C21 Scanning system
related service call
CIS unit initialization error -
C26 Peak detection error: Lighting of the exposure lamp
(white reference) is not detected when power is turned
ON.
P. 5-14
C41 Fuser unit related
service call
Thermistor or heater abnormality at power-ON: Abnor-
mality of service call the thermistor is detected when
power is turned ON or the temperature of the fuser roller
does not rise in a specified period of time after power is
turned ON.
P. 5-15
C43 Thermistor abnormality during warming up or in ready
status after abnormality judgment
-
C44 Heater abnormality after abnormality judgment: The tem-
perature of the fuser roller has exceeded the range of
control (in this case, the main switch turns OFF automati-
cally) or does not even reach the range.
P. 5-16
C45 Thermistor abnormality during printing: Abnormality of the
thermistor is detected during printing.
P. 5-16
C55 Optional communi-
cation related ser-
vice call
ADF I/F error: Communication error has occurred
between the ADF and the scanner
-
C97 Process related
service call
High-voltage transformer abnormality: Leakage of the
main charger is detected.
P. 5-18
CA1 Laser optical unit
related service call
Polygonal motor abnormality: The polygonal motor is not
rotating normally.
P. 5-17
CA2 H-Sync detection error: H-Sync detection PC board can-
not detect laser beams.
P. 5-17
F14 Other service call Invalid backup counter -