Canon PIXMA MP810 Service Manual - Page 16
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Part 1: MAINTENANCE
3. REPAIR
3-1. Notes on Service Part Replacement (and Disassembling / Reassembling)
Service part
Logic board ass'y
Ink absorber kit
Carriage unit
Paper feed motor
Platen unit
PR lift shaft ass'y
Input carriage lift gear
Easy-Scroll Wheel base
Document pressure plate unit
(FAU)
Document pressure plate
sheet
Document pressure plate
sheet frame
Scanner unit
Timing slit strip film
Timing slit disk film
Timing slit disk eject film
Print head
*1
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 ink
absorber counter value (by service
test print or EEPROM information
print).
[See 3-4. Verification Items,
Service test
print, or
(2) EEPROM
information print,
for details.]
- The red screws securing the paper
feed motor are allowed to be
loosened only for paper feed motor
replacement. (DO NOT loosen them
in any other cases.)
- 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
Adjustment / settings
After replacement:
1. Initialize the EEPROM.
2. Set the ink absorber counter value.
3. Set the destination in the EEPROM.
4. Correct the automatic print head
alignment sensors.
.
5. Check the ink system function.
6. Perform LF / Eject correction.
7. Perform button and LCD test.
(1)
[See 3-3. Adjustment / Settings, (6)
Service mode,for details of 1 to 7.]
8. Perform print head alignment and
LCD language setting in the user
mode.
After replacement:
1. Reset the ink absorber counter.
[See 3-3. Adjustment / Settings, (6)
Service mode, for details.]
At replacement:
1. Apply grease to the sliding portions.
[See 3-3. Adjustment / Settings,
(3) Grease application.]
2. Check the ink system function.
[See 3-3. Adjustment / Settings,
(6) Service mode, for details.]
3. Perform print head alignment in the
user mode.
At replacement:
1. Adjust the paper feed motor.
[See 3-3. Adjustment / Settings,
(1) Paper feed motor adjustment.]
After replacement:
1. Check the ink system function.
[See 3-3. Adjustment / Settings,
(6) Service mode, for details.]
At replacement:
1. Apply grease to the sliding
portions.
[See 3.3. Adjustment / Settings,
(3) Grease application.]
After replacement:
1. Confirm the document pressure
plate sheet position.
[See 3-3. Adjustment / Settings,
(2) Document pressure plate sheet
replacement, for details.]
2. Check the LCD and operation panel
(when the FAU is replaced).
[See 3-3. Adjustment / Settings,
(6) Service mode, for details.]
After replacement:
1. Perform print head alignment in the
user mode.
After replacement:
1. Perform print head alignment in the
user mode.
1-11
TABLE OF CONTENTS
Operation check
- EEPROM information print
- Service test print
- Printing via USB connection
- Copying
- Direct printing from a digital
camera
- Service test print
- EEPROM information print
- Service test print (Confirm
automatic print head
alignment sensor correction,
and ink system function.)
- Service test print
- Service test print
- Service test print
- Service test print