Repair; Notes On Service Part Replacement (And Disassembling / Reassembling) - Canon PIXMA MP950 Service Manual

3. REPAIR

3-1. Notes on Service Part Replacement (and Disassembling / Reassembling)

Service part
Logic board ass'y
QM2-3066
Ink absorber kit
QY5-0153
Carriage unit
QM2-3065
Paper feed motor
QK1-1502
Platen unit
QM2-3026
PR lift shaft ass'y
QL2-0936
Carriage lift base unit
QM-2232
*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
waste ink amount (by service
test print or EEPROM
information print).
[See 3-4. Verification Items,
(1) Service test print, and
4. Verification Items (2)
EEPROM information print ]
- The red screws securing the
paper feed motor are allowed
to be loosened. (DO NOT
loosen any other red screws.)
Adjustment / settings
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.
[See 3-3. Adjustment / Settings,
3-
(8) Service mode.]
6. Perform the print head
alignment in the user mode.
After replacement:
1. Reset the waste ink counter.
[See 3.3. Adjustment / Settings,
(8) Service mode.]
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.
At replacement:
1. Adjust the paper feed motor.
[See 3-3. Adjustment / Settings,
(1) Paper feed motor
adjustment.]
At replacement:
1. Check the ink system
function.
[See 3.3. Adjustment / Settings,
(8) Service mode.]
At replacement:
1. Apply grease to the sliding
portions.
[See 3.3. Adjustment / Settings,
(2) Grease application.]
At replacement:
1. Apply grease to the sliding
portions.
[See 3.3. Adjustment / Settings,
(2) Grease application.]
1-11
Operation check
- EEPROM information print
- Service test print
- Printing via USB connection
- Copy
- Direct printing from a digital
camera
- Service test print
- EEPROM information print
- Service test print (Confirm
CD / DVD and automatic
print head alignment sensor
correction, and ink system
function.)
- Service test print
- Service test print