Canon PIXMA MP800 Service Manual - Page 18

Repair, 3-1. Notes on Service Part Replacement

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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 QM2-3022 - 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). [See 3-4. Verification Items, (1) Service test print, or (2) EEPROM information print, for details.] After replacement: 1. Initialize the EEPROM. 2. Set the destination in the EEPROM. 3. Reset the waste ink counter. 4. Correct the CD / DVD and automatic print head alignment sensors. 5. Check the ink system function. 6. Adjust the line feeding. [See 3-3. Adjustment / Settings, (8) Service mode, for details of 1 to 6] 7. Perform the print head alignment in the user mode. - EEPROM information print - Service test print - Printing via USB connection - Copy - Direct printing from a digital camera Absorber kit QY5-0153 After replacement: 1. Reset the waste ink counter. [See 3.3. Adjustment / Settings, (8) Service mode.] - Service test print - EEPROM information print Carriage unit QM2-3025 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, (8) Service mode.] 2. Check the ink system function. [See 3.3. Adjustment / Settings, (8) Service mode.] - Service test print (Confirm CD / DVD and automatic print head alignment sensor correction, and ink system function.) 3. Perform the print head alignment in the user mode. Paper feed motor QK1-1502 - The red screws securing the paper feed motor are allowed to be loosened. (DO NOT loosen any other red screws.) At replacement: 1. Adjust the paper feed motor. [See 3-3. Adjustment / Settings, (1) Paper feed motor adjustment.] Platen unit QM2-3026 At replacement: 1. Check the ink system function. [See 3.3. Adjustment / Settings, (8) Service mode.] - Service test print PR lift shaft ass'y: QL20936 At replacement: 1. Apply grease to the sliding portions. [See 3.3. Adjustment / Settings, (2) Grease application.] - Service test print Carriage lift base unit QM2-2232 At replacement: 1. Apply grease to the sliding portions. 1-13

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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
QM2-3022
- 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).
[See 3-4. Verification Items,
(1) Service test print
, or
(2)
EEPROM information print
,
for details.]
After replacement:
1.
Initialize the EEPROM.
2.
Set the destination in the
EEPROM.
3.
Reset the waste ink counter.
4.
Correct the CD / DVD and
automatic print head
alignment sensors.
5.
Check the ink system
function.
6.
Adjust the line feeding.
[See 3
-
3. Adjustment / Settings,
(8) Service mode, for details of
1 to 6]
7.
Perform the print head
alignment in the user mode.
- EEPROM information print
- Service test print
- Printing via USB connection
- Copy
- Direct printing from a digital
camera
Absorber kit
QY5-0153
After replacement:
1.
Reset the waste ink counter.
[See 3.3. Adjustment / Settings,
(8) Service mode.]
- Service test print
- EEPROM information print
Carriage unit
QM2-3025
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, (8) Service mode.]
2.
Check the ink system
function.
[See 3.3. Adjustment /
Settings, (8) 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 other red screws.)
At replacement:
1.
Adjust the paper feed motor.
[See 3
-
3. Adjustment / Settings,
(1) Paper feed motor
adjustment.]
Platen unit
QM2-3026
At replacement:
1.
Check the ink system
function.
[See 3.3. Adjustment / Settings,
(8) Service mode.]
- Service test print
PR lift shaft ass'y: QL2-
0936
At replacement:
1.
Apply grease to the sliding
portions.
[See 3.3. Adjustment / Settings,
(2) Grease application.]
- Service test print
Carriage lift base unit
QM2-2232
At replacement:
1.
Apply grease to the sliding
portions.
1-13