Canon iP5200R - PIXMA Color Inkjet Printer User manual

PIXMA iP5200
PIXMA iP5200R
SERVICE
MANUAL
Canon
Copyright 2005, Canon U.S.A. This technical publication is the proprietary and confidential information of Canon U.S.A. which
shall be retained for reference purposes byAuthorized Service Facilities of Canon U.S.A. Its unauthorized use is prohibited.
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issue a revised edition.
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
A
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.
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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
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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.
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II. TABLE OF CONTENTS
Part 1: MAINTENANCE
1. MAINTENANCE
1-1. Adjustment, Periodic Maintenance, Periodic Replacement Parts, and Replacement Consumables by
Service Engineer
1-2. Customer Maintenance
1-3. Product Life
1-4. Special Tools
1-5. Serial Number Location
2. LIST OF ERROR DISPLAY / INDICATION
2-1. Operator Call Errors
2-2. Service Call Errors
2-3. Warnings
2-4. Troubleshooting by Symptom
3. REPAIR
3-1. Notes on Service Part Replacement (and Disassembling / Reassembling)
3-2. Special Notes on Repair Servicing
3-3. Adjustment / Settings
(1) Paper feed motor adjustment
(2) Grease application
(3) Waste ink counter setting
(4) User mode
(5) Service mode
Destination settings
LF correction
3-4. Verification Items
(1) Service test print
(2) EEPROM information print
4. PRINTER TRANSPORTATION
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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)
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Part 3: APPENDIX
1. BLOCK DIAGRAM
2. CONNECTOR LOCATION AND PIN LAYOUT
2-1. Logic Board Ass'y
2-2. Carriage Board (Print Head Connector)
PIXMA iP5200 Specifications
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Part 1
MAINTENANCE
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1. MAINTENANCE
1-1. Adjustment, Periodic Maintenance, Periodic Replacement Parts, and
Replacement Consumables by Service Engineer
(1) Adjustment
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Adjustment Timing Purpose Tool Approx.
time
Destination
settings
(EEPROM
settings)
At logic board replacement To set the destination. None.
Perform in the
service mode.
1 min.
Waste ink
counter
resetting
(EEPROM
settings)
- At logic board replacement
- At waste ink absorber
replacement
To reset the waste ink counter. None.
Perform in the
service mode.
1 min.
Paper feed
motor position
adjustment
At paper feed motor
replacement To adjust the belt tension. (Position the paper feed motor
so that the belt is stretched
tight.)
None. 5 min.
CD / DVD
detection
sensor light
volume
correction*1
- At logic board replacement
- At carriage unit replacement To correct the light volume for
the CD / DVD detection
sensor.
None.
Perform in the
service mode.
2 min.
Grease
application - At carriage unit replacement
- At PR shaft ass'y
replacement
- At CL base / gear
replacement
- To maintain sliding properties
of the carriage shaft and the
lift cam shaft.
- To protect the printer's
sliding portions (gears).
FLOIL KG-107A 1 min.
Ink system
function check - At logic board replacement
- At platen unit replacement
- At carriage unit replacement
To maintain detection
functionality for presence of
the ink tanks and each ink
tank position.
None.
Perform in the
service mode.
1 min.
LF correction - At feed roller replacement
- At logic board replacement To correct the line feed
accuracy None.
Perform in the
service mode.
3 min.
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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.
1-1
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1-2. Customer Maintenance
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1-3. Product Life
(1) Printer
Specified print volume (I) or the years of use (II), whichever comes first.
(I) Print volume : 18,000 pages
Adjustment Timing Purpose Tool Approx.
time
Print head
alignment At print head replacement. To ensure accurate dot placement. - Printer buttons
- Computer
(automatic
settings via the
printer driver)
3 min.
Print head
cleaning When print quality is not satisfying. To improve nozzle conditions. - Printer buttons
- Computer (settings
via the printer
driver)
1 min.
Print head
deep cleaning When print quality is not satisfying, and not improved
by print head cleaning.
To improve nozzle
conditions. Computer (settings via the printer
driver)
2 min.
Ink tank
replacement When an ink tank becomes empty. ("No ink error" via the
computer, or ink tank LED
flashing fast in red)
----- ----- 1 min.
Paper feed
roller cleaning When necessary To clean the paper feed
rollers. Printer buttons 2 min.
CD / DVD print
position
adjustment
At CD / DVD printing, when
necessary To correct CD / DVD print position. Computer
(application
software)
5 min.
Bottom plate
cleaning When the back side of the paper is smeared To clean the platen ribs. - Plain paper
- Computer (settings
via the printer
driver)
1 min.
ASF sub- roller
cleaning When the paper fed from the
ASF is smeared due to ink
mist attached to the ASF sub-
rollers.
To clean the ASF sub-
rollers. - Plain paper
- Printer buttons
[See Part 2, 4. FAQ,
How to make and
set the ASF sub-
roller cleaning
sheet, for details]
1 min.
Black 1,500 character pattern 8,300 pages
1-2
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(II) Years of use
󲩷󲩷󲩷󲩷󲩷󲩷󲩷󲩷 5 years of use
(2) Print head
Print volume : 18,000 pages
(3) Ink tank (target value)
Color 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
Black 1,500 character pattern 8,300 pages
Color 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
Color chart
PGI-5BK Approx. 1,250 pages
CLI-8Y Approx. 480 pages
CLI-8M Approx. 500 pages
CLI-8C Approx. 710 pages
Photo chart
CLI-8BK Approx. 1,100 pages
CLI-8Y Approx. 280 pages
CLI-8M Approx. 250 pages
CLI-8C Approx. 390 pages
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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
1-3
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immediately after it is unsealed, until the ink is out. Ink yield may vary depending on texts and photos
printed, application software, print mode, and type of paper used.
1-4. Special Tools
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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).
To the top
Name Tool No. Application Remarks
Grease FLOIL
KG-107A 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>
1-4
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2. LIST OF ERROR DISPLAY / INDICATION
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
Error [Error code] Solution Remarks
2 times No paper. (ASF) [1000] Set the paper in the ASF, and press the
Resume/Cancel button.
No CD / DVD tray. [1001]*1 Set the CD / DVD tray, and press the
Resume/Cancel button.
No paper in the cassette.
[1003]
(No paper in the front paper
feed cassette.)
Set the paper in the cassette, and press
the Resume/Cancel button.
No CD / DVD disc. [1002]*1 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.
3 times Paper jam. [1300] Remove the jammed paper, and press
the Resume/Cancel button. Error in paper
feeding from the
ASF.
Paper jam in the rear guide.
[1303] Error in the duplex printing
unit.
Paper jam in the under guide.
[1304] Error in paper feeding from the
cassette.
Front door close error. [1250] Open the paper output tray. The error is
indicated if the
paper output tray
is closed at start
of a print job, or
while a print job
is being
performed.
4 times No ink. [1600] Replace the empty ink tank(s), or press
the Resume/Cancel button. Pressing the Resume/Cancel
button will exit
the error without
ink tank
replacement,
however, ink
may run out
during printing.
Ink tank not installed. [1660] Install the applicable ink tank(s)
properly, and confirm that the LED's of
all the ink tanks light red.
5 times The print head is not installed ,
or it is not properly installed. Install the print head properly.
1-5
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[1401]
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Print head temperature sensor
error [1403]
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Faulty EEPROM data of the
print head [1405]
6 times
Inner cover open. [1841]*2 Close the inner cover, and press the
Resume/Cancel button.
Inner cover open during
printing on paper. [1846]*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.
Inner cover open (print
continuable). [1851]*1 Close the inner cover, and press the
Resume/Cancel button.
Inner cover open during
printing on paper (print NOT
continuable). [1856]*1
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.
Inner cover closed during CD /
DVD printing (print
continuable). [1850]*1
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.
Inner cover closed during CD /
DVD printing (print NOT
continuable). [1855]*1
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.
7 times
Multiple ink tanks of the same
color installed. [1681] Replace the wrong ink tank(s) with the correct one(s).
Ink tank in a wrong position.
[1680] Install the ink tank(s) in the correct position.
8 times Warning: The waste ink
absorber becomes almost full.
[1700]
Pressing the Resume/Cancel button will
exit the error, and enable printing. The service call error, indicating
the waste ink
absorber is full,
is likely to occur
soon.
9 times The connected digital camera
or digital video camera does
not support Camera Direct
Printing. [2001]
Remove the cable between the camera
and the printer.
10 times Automatic duplex printing
cannot be performed. [1310] The size of paper may not be
compatible with automatic duplex
printing. Press the Resume/Cancel
Data which was
to be printed on
the back side of
1-6
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*1: Only for models supporting CD / DVD printing
*2: Only for models not supporting CD / DVD printing
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2-2. Service Call Errors (by Cyclic Blinking in Orange (Alarm LED) and Green
(Power LED), or Alarm LED Lit in Orange)
button to eject the paper being used at
error occurrence. Printing will resume
from on the front side of the next page.
paper at error
occurrence is
skipped (not
printed).
11 times Failed in automatic print head
alignment. [2500] 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 re-
done.
The error is
indicated when
the pattern is not
printed due to no
ink or non-
ejection of ink, or
when the
sensor's AD
value is
incorrect.
13 times The remaining ink amount
unknown. [1683] An ink tank which has once been empty is installed. Replace the applicable ink
tank with a new one.
Printing with a
once-empty or
refilled ink tank
can damage the
print head.
If printing is
continued without
replacing the "no-
good" 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.
14 times Ink tank not recognized. [1684] A non-supported ink tank is installed
(the ink tank LED is turned off). Install
the supported ink tanks.
15 times Ink tank not recognized. [1410
to 1419] An error occurred in an ink tank (the ink tank LED is turned off). Replace the ink
tank(s).
No
blinking Access cover open. [1200] Close the access cover.
Cycles of
blinking in
orange (Alarm
LED) and
green (Power
Error [Error code] Solution
(Replacement of listed parts, which are likely to be faulty)
1-7
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LED)
2 times Carriage error [5100] - Carriage unit (QM2-2251)
- Timing slit strip film (QC1-6526)
- Logic board ass'y (QM2-2733)*1
- Carriage motor (QK1-1500)
3 times Line feed error [6000] - 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)*1
- PAPER FEED MOTOR (QK1-1502)
4 times Purge cam sensor error
[5C00] - Purge unit (QM2-2252)
- Logic board ass'y (QM2-2733)*1
5 times ASF (cam) sensor error
[5700] - Sheet feed unit (QM2-2278)
6 times Internal temperature error
[5400] - Logic board ass'y (QM2-2733)*1
7 times Waste ink absorber full
[5B00] - Ink absorber kit (QY5-0152)
8 times Print head temperature rise
error [5200] - Print head (QY6-0059)
- Logic board ass'y (QM2-2733)*1
9 times EEPROM error [6800] - Logic board ass'y (QM2-2733)*1
11 times Carriage lift mechanism
error [5110] - PR lift shaft ass'y (QL2-0936)
- Sheet feed unit (QM2-2278)
- Logic board ass'y (QM2-2733)*1
- Carriage lift sensor unit (QM2-2678)
12 times AP position error [6A00] - Sheet feed unit (QM2-2278)
- Logic board ass'y (QM2-2733)*1
- Purge unit (QM2-2252)
13 times Paper feed position error
[6B00] - Sheet feed unit (QM2-2278)
- Logic board ass'y (QM2-2733)*1
14 times Paper feed cam sensor
error [6B10] - Sheet feed unit (QM2-2278)
- Logic board ass'y (QM2-2733)*1
15 times USB Host Vbus over
current [9000] - Logic board ass'y (QM2-2733)*1
16 times Valve sensor error [6C00] - Logic board ass'y (QM2-2733)*1
- Purge unit (QM2-2252)
17 times Motor driver error [6D00] - Logic board ass'y (QM2-2733)*1
19 times Ink tank position sensor
error [6502] - Platen unit (QM2-2248)
- Logic board ass'y (QM2-2733)*1
20 times Other hardware error - Logic board ass'y (QM2-2733)*1
1-8
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*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 3-3. Adjustment / Settings, (5) Service mode, for details.]
2-3. Warnings
Printer (no LED indications):
*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
[6500]
Continuous
alternate
blinking
ROM error - Logic board ass'y (QM2-2733)*1
Alarm LED lit RAM error - Logic board ass'y (QM2-2733)*1
Displayed warning Remarks
Low ink - Status monitor indication.
- The ink tank lamp flashes slowly (at about a second interval).
Print head temperature rise If the print head temperature is high when the access cover is
opened, the warning is displayed*1.
When the print head temperature falls, the warning is released.
Protection of excess rise of the print
head temperature If the print head temperature exceeds the specified limit, a Wait is inserted during printing,
Symptom Solution Remarks
Faulty operation
The power does not turn on.
The power turns off
immediately after power-on.
Replace the
- AC adapter, or
- logic board ass'y*1.
A strange noise occurs. Remove foreign material, or attach a
removed part if any.
Printing stops mid-way. Replace the logic board ass'y*1.
Paper feed
problems
Multiple sheets feed. Replace the
- sheet feed unit, or
- cassette.
Paper does not feed. Remove foreign material, or replace
the
- sheet feed unit, or
- cassette.
Paper feeds at an angle. Remove foreign material, adjust the
paper guide, or replace the
1-9
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- sheet feed unit, or
- cassette.
Unsatisfactory
print quality
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.
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.
Remove and re-install the print head,
or replace the
- ink tank,
- print head*2,
- purge unit, or
- logic board ass'y*1.
Paper gets smeared. Feed several sheets of paper,
perform bottom plate cleaning,
clean the paper path with cotton swab
or cloth, or
clean the ASF sub-rollers.
A part of a line is missing on
printouts. Replace the
- ink tank, or
- print head*2.
Color hue is incorrect. Replace the
- ink tank, or
- print head*2, or
perform print head alignment.
Printing is incorrect. Replace the logic board ass'y*1.
No ejection of black ink. Replace the
- ink tank, or
- print head*2, or
remove foreign material from the
purge unit caps, if any, or
replace the purge unit.
Graphic or text is enlarged on
printouts. 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
1-10
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*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 3-3. Adjustment / Settings, (5) Service mode, for details.]
*2: Replace the print head only after the print head deep cleaning is performed 2 times, and when the
problem persists.
To the top
- timing slit disk film,
- timing sensor unit, or
- logic board ass'y*1.
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Uneven printing due to line
feeding Perform LF correction adjustment.
<Part 1: 2. LIST OF ERROR DISPLAY / INDICATION>
1-11
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3. REPAIR
3-1. Notes on Service Part Replacement (and Disassembling / Reassembling)
Service part Notes on replacement*1 Adjustment / settings Operation check
Logic board ass'y
QM2-2733
- 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.]
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
Ink absorber kit
QY5-0152
After replacement:
1. Reset the waste ink
counter.
[See 3.3. Adjustment /
Settings, (5) Service
mode.]
- Service test print
- EEPROM information
print
Carriage unit
QM2-2251
At replacement:
1. Apply grease to the
sliding portions.
[See 3-3. Adjustment /
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.
- Service test print
(Confirm CD / DVD
and automatic print
head alignment sensor
correction, and ink
system function.)
Paper feed motor
QK1-1502
- The red screws securing
the paper feed motor are
allowed to be loosened.
(DO NOT loosen any
At replacement:
1. Adjust the paper feed
motor.
1-12
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󲩷
other red screws.) [See 3-3. Adjustment /
Settings, (1) Paper feed
motor adjustment.]
Platen unit: QM2-
2248
Purge unit: QM2-
2252
Waste ink tube:
QC1-6458
Waste ink tube
holder: QC1-6460
- By attaching the tape at
the specified 2 locations,
secure the waste ink
tube to the waste ink
tube holder.
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 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.
Platen unit
QM2-2248 After replacement:
1. Check the ink system
function.
[See 3-3. Adjustment /
Settings, (5) Service
mode.]
- Service test print
PR lift shaft ass'y
QL2-0936
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CL INPUT GEAR
QC1-6213
At replacement:
1. Apply grease to the
sliding portions.
[See 3.3. Adjustment /
Settings, (2) Grease
application.]
- Service test print
Timing slit strip film
QC1-6526
- 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
After replacement:
1. Perform the print head
alignment in the user
mode.
- Service test print
Timing slit disk film
QC1-6229
Print head
QY6-0061 After replacement:
1. Perform the print head
alignment in the user
mode.
- Service test print
*1: General notes:
- Make sure that the flexible cables and wires in the harness are in the proper position and
connected correctly.
[See 3-2. Special Notes on Repair Servicing, (2) Flexible cable and harness wiring, connection, for
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 3-2. Special Notes on Repair Servicing, (3) Printer unit and bottom case unit assembly, for
details.]
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- Do not drop the ferrite core, which may cause damage.
- 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).
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<Part 1: 3. REPAIR, 3-1>
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3-2. Special Notes on Repair Servicing
(1) External cover removal
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(I) With your fingers at the points indicated by the blue circle, raise and slide the left and right side
covers to remove them.
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(II) Release the 2 hooks on the rear side of the printer (indicated by the blue circles).
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(III) Slide the left and right panel cover units.
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