Canon Pixma iP5200 Service Manual

PIXMA iP5200 PIXMA iP5200R
SER VICE MANUAL
Canon
issue a revised edition.
A
The following do not apply if they do not conform to the laws and regulations of the region where the manual or product is used:
Trademarks
Product and brand names appearing in this manual are registered trademarks or trademarks of the respective holders.
Copyright
ll rights reserved. No parts of this manual may be reproduced in any form or by any means or translated into
another language without the written permission of Canon Inc., except in the case of internal business use.
Copyright © 2005 by Canon Inc. CANON INC. Inkjet Device Quality Assurance Div. 2 451, Tsukagoshi 3-chome, Saiwai-ku, Kawasaki-shi, Kanagawa 212-8530, Japan
I. MANUAL OUTLINE
This manual consists of the following three parts to provide information necessary to service the PIXMA iP5200:
Part 1: Maintenance Information on maintenance and troubleshooting of the PIXMA iP5200
Part 2: Technical Reference New technology and technical information such as FAQ's (Frequently Asked Questions) of the PIXMA iP5200
Part 3: Appendix Block diagrams and pin layouts of the PIXMA iP5200
Reference: This manual does not provide sufficient information for disassembly and reassembly procedures. Refer to the graphics in the separate Parts Catalog.
II. TABLE OF CONTENTS
Part 1: MAINTENANCE
1. MAINTENANCE
-1. Adjustment, Periodic Maintenance, Periodic Replacement Parts, and Replacement Consumables by
1
Service Engineer
-2. Customer Maintenance
1
-3. Product Life
1
-4. Special Tools
1
-5. Serial Number Location
1
2. LIST OF ERROR DISPLAY / INDICATION
-1. Operator Call Errors
2
-2. Service Call Errors
2
-3. Warnings
2
-4. Troubleshooting by Symptom
2
3. REPAIR 3-1. Notes on Service Part Replacement (and Disassembling / Reassembling)
-2. Special Notes on Repair Servicing
3
-3. Adjustment / Settings
3
(1) Paper feed motor adjustment (2) Grease application (3) Waste ink counter setting (4) User mode (5) Service mode
-4. Verification Items
3
(1) Service test print (2) EEPROM information print
4. PRINTER TRANSPORTATION
Destination settings LF correction
󲩷
Part 2: TECHNICAL REFERENCE
1. NEW TECHNOLOGIES
2. CLEANING MODE AND AMOUNT OF INK PURGED
3. PRINT MODE
4. FAQ (Problems Specific to the iP5200 and Corrective Actions)
󲩷
Part 3: APPENDIX
1. BLOCK DIAGRAM
2. CONNECTOR LOCATION AND PIN LAYOUT
-1. Logic Board Ass'y
2
-2. Carriage Board (Print Head Connector)
2
PIXMA iP5200 Specifications
Part 1
MAINTENANCE

1. MAINTENANCE

1-1
1-1. Adjustment, Periodic Maintenance, Periodic Replacement Parts, and
Replacement Consumables by Service Engineer
(1) Adjustment
Adjustment Timing Purpose Tool
Destination settings (EEPROM settings)
Waste ink counter resetting (EEPROM settings)
Paper feed motor position

adjustment

CD / DVD detection sensor light volume
correction Grease
application
*1
At logic board replacement
- At logic board replacement
- At waste ink absorber replacement
At paper feed motor replacement
- At logic board replacement
- At carriage unit replacement
- At carriage unit replacement
- At PR shaft ass'y replacement
- At CL base / gear replacement
To set the destination.
To reset the waste ink counter.
To adjust the belt tension. (Position the paper feed motor so that the belt is stretched
tight.) To correct the light volume for
the CD / DVD detection sensor.
- To maintain sliding properties
- To protect the printer's
of the carriage shaft and the lift cam shaft.
sliding portions (gears).
None. Perform in the
service mode.
None. Perform in the
service mode.
None.
None. Perform in the
service mode.
FLOIL KG-107A 1 min.
Approx.
time
1 min.
1 min.
5 min.
2 min.
Ink system function check
LF correction
- At logic board replacement
- At platen unit replacement
- At carriage unit replacement
- At feed roller replacement
- At logic board replacement
To maintain detection functionality for presence of the ink tanks and each ink tank position.
To correct the line feed accuracy
None. Perform in the
service mode.
None. Perform in the
service mode.
1 min.
3 min.
󲩷 󲩷
Note: DO NOT loosen the red screws at both ends of the carriage shaft, securing the print head position, as
they are not re-adjustable. The red screws securing the paper feed motor may be loosened only at replacement of the paper
feed motor unit.
*1: Only for CD / DVD printing supported regions.
(2) Periodic maintenance
No periodic maintenance is necessary.
(3) Periodic replacement parts
There are no parts in this printer that require periodic replacement by a service engineer.
(4) Replacement consumables
There are no consumables that require replacement by a service engineer.
󲩷
1-2
󲩷

1-2. Customer Maintenance

Adjustment Timing Purpose Tool
Print head alignment
Print head cleaning
Print head deep cleaning
Ink tank replacement
Paper feed roller cleaning
At print head replacement. To ensure accurate dot
When print quality is not satisfying.
When print quality is not satisfying, and not improved by print head cleaning.
When an ink tank becomes empty. ("No ink error" via the computer, or ink tank LED flashing fast in red)
When necessary
- Printer buttons
placement.
To improve nozzle conditions.
To improve nozzle conditions.
----- -----
- Computer (automatic settings via the
printer driver)
- Printer buttons
- Computer (settings via the printer driver)
Computer (settings via the printer driver)
To clean the paper feed rollers.
Printer buttons
Approx.
time
3 min.
1 min.
2 min.
1 min.
2 min.
CD / DVD print position
adjustment Bottom plate
cleaning
ASF sub- roller cleaning
󲩷
󲩷
At CD / DVD printing, when necessary
When the back side of the paper is smeared
When the paper fed from the ASF is smeared due to ink mist attached to the ASF sub-
rollers.
1-3. Product Life
To correct CD / DVD print position.
To clean the platen ribs.
To clean the ASF sub­rollers.
Computer (application software)
- Plain paper
- Computer (settings via the printer
driver)
- Plain paper
- Printer buttons
[See Part 2, 4. FAQ,
How to make and set the ASF sub­roller cleaning
sheet, for details]
5 min.
1 min.
1 min.
(1) Printer
Specified print volume (I) or the years of use (II), whichever comes first. (I) Print volume : 18,000 pages
Black
1,500 character pattern 8,300 pages
Color
1-3
A4, 7.5% duty per color pattern 5,400 pages
(II) Years of use
󲩷󲩷󲩷󲩷󲩷󲩷󲩷󲩷 5 years of use
(2) Print head
Print volume : 18,000 pages
(3) Ink tank (target value)
Black Color
A4, photo, borderless printing 400 pages
4 x 6, photo, borderless printing 3,200 pages
Postcard, photo, borderless printing 700 pages
1,500 character pattern 8,300 pages
A4, 7.5% duty per color pattern 5,400 pages
A4, photo, borderless printing 400 pages
4 x 6, photo, borderless printing 3,200 pages
Postcard, photo, borderless printing 700 pages
Pattern Ink tank used Print yield
Black text PGI-5BK Approx. 800 pages
PGI-5BK Approx. 1,250 pages CLI-8Y Approx. 480 pages
Color chart
CLI-8M Approx. 500 pages CLI-8C Approx. 710 pages CLI-8BK Approx. 1,100 pages CLI-8Y Approx. 280 pages
Photo chart
CLI-8M Approx. 250 pages
󲩷 󲩷
Black text: When printing the Canon standard pattern (1,500 characters per page) on A4 size plain
paper, with the default settings in the Windows XP driver, using Word 2003.
Color chart: When printing the ISO/JIS-SCID N5 pattern on A4 size plain paper in bordered printing, with
the default settings in the Windows XP driver, using Photoshop 7.0.
Photo chart: When printing the Canon standard pattern on 4" x 6" Photo Paper Plus Glossy in
borderless printing, with the default settings in the Windows XP driver, using Windows XP Photo Printing Wizard.
The print yield in the table above is an average value measured in continuous printing, using the ink tank
CLI-8C Approx. 390 pages
immediately after it is unsealed, until the ink is out. Ink yield may vary depending on texts and photos
1-4
printed, application software, print mode, and type of paper used.

1-4. Special Tools

Name Tool No. Application Remarks
Grease FLOIL KG-107A
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1-5. Serial Number Location

On the carriage flexible cable holder (visible on the right of the carriage after the printer is turned on, the access cover is opened, and the carriage moves to the center).
QY9-0057-000 To be applied to the sliding
portions of the carriage shaft and lift cam shaft.
In common with the S500 and S520.
<Part 1: 1. MAINTENANCE>
To the top

2. LIST OF ERROR DISPLAY / INDICATION

1-5
Errors are indicated by the LED, and warnings are displayed on the monitor of the computer connected to the printer.
2-1. Operator Call Errors (by Alarm LED Blinking in Orange)
Alarm
LED
blinking
in orange 2 times
3 times
4 times No ink. [1600] Replace the empty ink tank(s), or press
No paper. (ASF) [1000]
No CD / DVD tray. [1001]
No paper in the cassette. [1003]
(No paper in the front paper feed cassette.)
No CD / DVD disc. [1002]
Paper jam. [1300] Remove the jammed paper, and press
Paper jam in the rear guide. [1303]
Paper jam in the under guide. [1304]
Front door close error. [1250] Open the paper output tray. The error is
Ink tank not installed. [1660] Install the applicable ink tank(s)
Error [Error code]
*1
*1
Set the paper in the ASF, and press the Resume/Cancel button.
Set the CD / DVD tray, and press the Resume/Cancel button.
Set the paper in the cassette, and press the Resume/Cancel button.
Set a CD or DVD in the CD / DVD tray (which is ejected at error occurrence), and insert the CD / DVD tray in the proper position. Then, press the Resume/Cancel button.
the Resume/Cancel button.
the Resume/Cancel button.
properly, and confirm that the LED's of all the ink tanks light red.
Solution Remarks
Error in paper feeding from the ASF.
Error in the duplex printing unit.
Error in paper feeding from the cassette.
indicated if the paper output tray is closed at start of a print job, or while a print job is being performed.
Pressing the Resume/Cancel button will exit the error without ink tank replacement, however, ink may run out during printing.
5 times The print head is not installed ,
or it is not properly installed.
Install the print head properly.
6 times
1-6
[1401]
󲩷
Print head temperature sensor error [1403]
󲩷
Faulty EEPROM data of the print head [1405]
Inner cover open. [1841]
*2
Close the inner cover, and press the Resume/Cancel button.
7 times
Inner cover open during printing on paper. [1846]
Inner cover open (print continuable). [1851]
Inner cover open during printing on paper (print NOT
continuable). [1856]
Inner cover closed during CD / DVD printing (print
continuable). [1850]
Inner cover closed during CD / DVD printing (print NOT
continuable). [1855]
Multiple ink tanks of the same color installed. [1681]
*1
*1
*1
*1
*2
Close the inner cover, and press the Resume/Cancel button to clear the error. The paper being printed at error occurrence will be ejected without printing the remaining data for the ejected paper, then printing will resume from the next page.
Close the inner cover, and press the Resume/Cancel button.
Close the inner cover, and press the Resume/Cancel button to clear the error. The paper being printed at error occurrence will be ejected without printing the remaining data for the ejected paper, then printing will resume from the next page.
Open the inner cover which functions as the CD / DVD tray feeder, set the CD / DVD tray in the feeder, and press the Resume/Cancel button.
Open the inner cover, and press the Resume/Cancel button to clear the error. The CD or DVD being printed at error occurrence will be ejected without printing the remaining data for the ejected CD or DVD, then the next print
job will be done.
Replace the wrong ink tank(s) with the correct one(s).
Ink tank in a wrong position. [1680]
8 times Warning: The waste ink
absorber becomes almost full. [1700]
9 times The connected digital camera
or digital video camera does not support Camera Direct Printing. [2001]
10 times Automatic duplex printing
cannot be performed. [1310]
Install the ink tank(s) in the correct position.
Pressing the Resume/Cancel button will exit the error, and enable printing.
Remove the cable between the camera and the printer.
The size of paper may not be compatible with automatic duplex printing. Press the Resume/Cancel
The service call error, indicating the waste ink absorber is full, is likely to occur soon.
Data which was to be printed on the back side of
11 times
1-7
Failed in automatic print head alignment. [2500]
button to eject the paper being used at error occurrence. Printing will resume from on the front side of the next page.
Press the Resume/Cancel button.
- If paper is being fed at error occurrence, the error is indicated after the paper is ejected.
- If the error occurs, the print head alignment values are not changed.
- After exit from the error by the Resume/Cancel button, the automatic print head alignment will not be re­done.
paper at error occurrence is skipped (not printed).
The error is indicated when the pattern is not printed due to no ink or non­ejection of ink, or when the sensor's AD value is incorrect.
13 times
14 times
15 times
No blinking
The remaining ink amount unknown. [1683]
Ink tank not recognized. [1684] A non-supported ink tank is installed
Ink tank not recognized. [1410 to 1419]
Access cover open. [1200]
An ink tank which has once been empty is installed. Replace the applicable ink tank with a new one.
(the ink tank LED is turned off). Install the supported ink tanks.
An error occurred in an ink tank (the ink tank LED is turned off). Replace the ink tank(s).
Close the access cover.
Printing with a once-empty or refilled ink tank can damage the print head.
If printing is continued without replacing the "no­good" ink tank, press the Resume/Cancel button for 5 sec. or longer to record the use of a refilled ink tank.
Note: After the above
operation, the function to detect the remaining ink amount is disabled.
*1: Only for models supporting CD / DVD printing *2: Only for models not supporting CD / DVD printing
󲩷
󲩷
2-2. Service Call Errors (by Cyclic Blinking in Orange (Alarm LED) and Green
(Power LED), or Alarm LED Lit in Orange)
Cycles of
blinking in
orange (Alarm
LED) and
green (Power
Error [Error code]
(Replacement of listed parts, which are likely to be faulty)
Solution
LED)
1-8
2 times
Carriage error [5100]
- Carriage unit (QM2-2251)
- Timing slit strip film (QC1-6526)
- Logic board ass'y (QM2-2733)
- Carriage motor (QK1-1500)
*1
3 times
4 times
5 times
6 times
7 times
8 times
9 times
11 times
Line feed error [6000]
Purge cam sensor error [5C00]
ASF (cam) sensor error [5700]
Internal temperature error [5400]
Waste ink absorber full [5B00]
Print head temperature rise error [5200]
EEPROM error [6800]
Carriage lift mechanism error [5110]
- Timing sensor unit (QM2-2683)
- Timing slit disk film (QC1-6229)
- Feed roller ass'y (QL2-0950)
- Platen unit (QM2-2248)
- Logic board ass'y (QM2-2733)
- PAPER FEED MOTOR (QK1-1502)
- Purge unit (QM2-2252)
- Logic board ass'y (QM2-2733)
- Sheet feed unit (QM2-2278)
- Logic board ass'y (QM2-2733)
- Ink absorber kit (QY5-0152)
- Print head (QY6-0059)
- Logic board ass'y (QM2-2733)
- Logic board ass'y (QM2-2733)
- PR lift shaft ass'y (QL2-0936)
- Sheet feed unit (QM2-2278)
- Logic board ass'y (QM2-2733)
- Carriage lift sensor unit (QM2-2678)
*1
*1
*1
*1
*1
*1
12 times
13 times
14 times
15 times
16 times
17 times
19 times Ink tank position sensor
20 times
AP position error [6A00]
Paper feed position error [6B00]
Paper feed cam sensor error [6B10]
USB Host Vbus over current [9000]
Valve sensor error [6C00]
Motor driver error [6D00]
error [6502]
Other hardware error
- Sheet feed unit (QM2-2278)
- Logic board ass'y (QM2-2733)
- Purge unit (QM2-2252)
- Sheet feed unit (QM2-2278)
- Logic board ass'y (QM2-2733)
- Sheet feed unit (QM2-2278)
- Logic board ass'y (QM2-2733)
- Logic board ass'y (QM2-2733)
- Logic board ass'y (QM2-2733)
- Purge unit (QM2-2252)
- Logic board ass'y (QM2-2733)
- Platen unit (QM2-2248)
- Logic board ass'y (QM2-2733)
- Logic board ass'y (QM2-2733)
*1
*1
*1
*1
*1
*1
*1
*1
[6500]
1-9
Continuous alternate blinking
Alarm LED lit RAM error
*1: Before replacement of the logic board ass'y, check the waste ink amount (by service test print or
EEPROM information print). If the waste ink amount is 7% or more, also replace the ink absorber kit (QY5-0152) when replacing the logic board ass'y.
[See Section 3
ROM error
-3. Adjustment / Settings, (5) Service mode, for details.]
- Logic board ass'y (QM2-2733)
- Logic board ass'y (QM2-2733)
*1
*1

2-3. Warnings

Printer (no LED indications):
Displayed warning Remarks
Low ink
Print head temperature rise
Protection of excess rise of the print head temperature
*1: If the warning is displayed, the carriage does not move to the ink tank replacement position when the
access cover is opened.

2-4. Troubleshooting by Symptom

Symptom Solution Remarks
- Status monitor indication.
- The ink tank lamp flashes slowly (at about a second interval).
The power does not turn on. The power turns off
immediately after power-on.
If the print head temperature is high when the access cover is opened, the warning is displayed
When the print head temperature falls, the warning is released.
If the print head temperature exceeds the specified limit, a Wait is inserted during printing,
*1
.
Replace the
- AC adapter, or
- logic board ass'y*1.
Faulty operation
Paper feed
problems
A strange noise occurs. Remove foreign material, or attach a
removed part if any.
Printing stops mid-way.
Multiple sheets feed.
Paper does not feed.
Paper feeds at an angle. Remove foreign material, adjust the
Replace the logic board ass'y*1.
Replace the
- sheet feed unit, or
- cassette.
Remove foreign material, or replace the
- sheet feed unit, or
- cassette.
paper guide, or replace the
- sheet feed unit, or
1-10
- cassette.
No printing, or no color ejected. Replace the
- ink tank,
- print head*2, or
- logic board ass'y*1,
remove foreign material from the purge unit caps, if any, or
replace the purge unit.
Unsatisfactory
print quality
Printing is faint, or white lines appear on printouts even after print head cleaning.
Line(s) not included in the print data appears on printouts.
Paper gets smeared.
A part of a line is missing on printouts.
Color hue is incorrect.
Remove and re-install the print head, or replace the
- ink tank,
- print head*2,
- purge unit, or
- logic board ass'y*1.
Feed several sheets of paper, perform bottom plate cleaning, clean the paper path with cotton swab
or cloth, or clean the ASF sub-rollers. Replace the
- ink tank, or
- print head*2.
Replace the
- ink tank, or
- print head*2, or
perform print head alignment.
Printing is incorrect.
No ejection of black ink. Replace the
Graphic or text is enlarged on printouts.
Replace the logic board ass'y*1.
- ink tank, or
- print head*2, or
remove foreign material from the purge unit caps, if any, or
replace the purge unit.
When enlarged in the carriage movement direction, clean grease or oil off the timing slit strip film, or replace the
- timing slit strip film,
- carriage unit, or
- logic board ass'y*1.
When enlarged in the paper feed direction, clean grease or oil off the timing slit disk film, or replace the
- timing slit disk film,
1-11
- timing sensor unit, or
- logic board ass'y*1.
󲩷
Uneven printing due to line feeding
*1: Before replacement of the logic board ass'y, check the waste ink amount (by service test print or
EEPROM information print). If the waste ink amount is 7% or more, also replace the ink absorber kit (QY5-0152) when replacing the logic board ass'y.
[See Section 3
*2: Replace the print head only after the print head deep cleaning is performed 2 times, and when the
problem persists.
-3. Adjustment / Settings, (5) Service mode, for details.]
<Part 1: 2. LIST OF ERROR DISPLAY / INDICATION>
Perform LF correction adjustment.
To the top

3. REPAIR

1-12
3-1. Notes on Service Part Replacement (and Disassembling / Reassembling)
Service part
Logic board ass'y QM2-2733
Ink absorber kit QY5-0152
Carriage unit QM2-2251
Paper feed motor QK1-1502
Notes on replacement
- Before removal of the logic board ass'y, remove the power cord, and allow for approx. 1 minute (for discharge of capacitor's accumulated charges), to prevent damages to the logic board ass'y.
- Before replacement, check the waste ink amount (by service test print or EEPROM information print). If the waste ink amount is 7% or more, also replace the ink absorber kit when replacing the logic board ass'y.
[See 3-3. Adjustment / Settings, (5) Service mode, for details.]
- The red screws securing the paper feed motor are allowed to be loosened. (DO NOT loosen any
*1
Adjustment / settings Operation check
After replacement:
1. Initialize the EEPROM.
2. Reset the waste ink counter.
3. Set the destination in the EEPROM.
4. Correct the CD / DVD and automatic print head alignment sensors.
5. Check the ink system function.
[See 3-3. Adjustment / Settings, (5) Service mode, for details of 1 to 5]
6. Perform the print head alignment in the user mode.
- EEPROM information print
- Service test print
- Printing via USB connection
- Direct printing from a digital camera
After replacement:
1. Reset the waste ink counter.
[See 3.3. Adjustment / Settings, (5) Service mode.]
At replacement:
1. Apply grease to the sliding portions.
[See 3 Settings, (2) Grease application.]
After replacement:
1. Correct the CD / DVD and automatic print head alignment sensors.
[See 3.3. Adjustment / Settings, (5) Service mode.]
2. Check the ink system function.
[See 3.3. Adjustment / Settings, (5) Service
mode.]
3. Perform the print head alignment in the user mode.
At replacement:
1. Adjust the paper feed
motor.
-3. Adjustment /
- Service test print
- EEPROM information print
- Service test print (Confirm CD / DVD and automatic print head alignment sensor correction, and ink
system function.)
Platen unit: QM2-
1-13
2248 Purge unit: QM2-
2252 Waste ink tube:
QC1-6458 Waste ink tube
holder: QC1-6460
Platen unit QM2-2248
PR lift shaft ass'y QL2-0936
󲩷
CL INPUT GEAR QC1-6213
Timing slit strip film QC1-6526
Timing slit disk film QC1-6229
other red screws.) [See 3-3. Adjustment /
Settings, (1) Paper feed motor adjustment.]
By attaching the tape at
-
the specified 2 locations, secure the waste ink tube to the waste ink tube holder.
- Upon contact with the film, wipe the film with ethanol.
- Confirm no grease is on the film. (Wipe off any grease thoroughly with ethanol.)
- Do not bend the film
At replacement:
1. To protect the waste ink tube from being pinched when reassembling the printer unit chassis into the bottom case unit, tape the tube (at 2 locations).
[See 3-2. Special Notes on Repair Servicing, (3) Printer unit and bottom case unit assembly.]
After replacement
1. Check the ink system function.
[See 3-3. Adjustment / Settings, (5) Service mode.]
At replacement:
1. Apply grease to the
[See 3.3. Adjustment / Settings, (2) Grease application.]
After replacement:
1. Perform the print head
sliding portions.
alignment in the user mode.
After the printer unit is assembled in the bottom case unit, the tube conditions are not visible. For confirmation of the tube conditions, perform the manual purging 3 or 4 times, and confirm that no strange noise is heard.
:
- Service test print
- Service test print
- Service test print
Print head QY6-0061
󲩷
*1: General notes:
- Make sure that the flexible cables and wires in the harness are in the proper position and connected correctly.
-2. Special Notes on Repair Servicing, (2) Flexible cable and harness wiring, connection, for
[See 3 details.]
- Protect the waste ink tube from being pinched when assembling the printer unit chassis into the bottom case unit.
Since the tube conditions after assembly are not visible, perform the manual purging 3 or 4 times to confirm that no strange noise is heard.
[See 3 details.]
-2. Special Notes on Repair Servicing, (3) Printer unit and bottom case unit assembly, for
After replacement:
1. Perform the print head alignment in the user mode.
- Service test print
- Do not drop the ferrite core, which may cause damage.
1-14
- Protect electrical parts from damage due to static electricity.
- Before removing a unit, after removing the power cord, allow the printer to sit for approx. 1 minute (for capacitor discharging to protect the logic board ass'y from damages).
- Do not touch the timing slit strip film and timing slit disk film. No grease or abrasion is allowed.
- Protect the units from soiled with ink.
- Protect the housing from scratches.
- Exercise caution with the red screws, as follows:
i. The red screws of the paper feed motor may be loosened only at replacement of the paper
feed motor unit (DO NOT loosen them in other cases).
ii. DO NOT loosen the red screws on both sides of the main chassis, securing the carriage
shaft positioning (they are not adjustable in servicing).
󲩷
󲩷
<Part 1: 3. REPAIR, 3-1>
To the top

3-2. Special Notes on Repair Servicing

1-15
(1) External cover removal
󲩷
(I) With your fingers at the points indicated by the blue circle, raise and slide the left and right side
covers to remove them.
󲩷
(II) Release the 2 hooks on the rear side of the printer (indicated by the blue circles).
󲩷
(III) Slide the left and right panel cover units.
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