Canon iP4300 - Page 11

11
4. REPAIR
4-1. Notes on Service Part Replacement (and Disassembling / Reassembling)
Service part Notes on replacement Adjustment / settings Operation check
Logic board ass'y
QM3-1266
- 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). If the value is 7% or more, also
replace the ink absorber kit when
replacing the logic board ass'y.
See 5. SERVICE MODE, for details.
After replacement:
1. Initialize the EEPROM.
2. Reset the ink absorber 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 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
QY5-0176
After replacement:
1. Reset the ink absorber counter.
See 5. SERVICE MODE, for
details.
- Service test print
- EEPROM
information print
Carriage unit
QM2-3884
At replacement:
1. Apply grease to the sliding
portions.
See 4-2. Grease Application.
After replacement:
1. Correct the CD / DVD and
automatic print head alignment
sensors.
See 5. SERVICE MODE.
2. Check the ink system function.
See 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 other
red screws.)
At replacement:
1. Adjust the paper feed motor.
See 4-3. Paper Feed Motor
Adjustment.
Platen unit
QM3-0001
At replacement:
1. Check the ink system function.
See 5. SERVICE MODE.
- Service test print
PR lift shaft ass'y
QL2-1450,
Input carriage lift
gear
QC2-1873
At replacement:
1. Apply grease to the sliding
portions.
See 4-2. Grease Application.
- Service test print
Timing slit strip
film
QC1-6526
Timing slit disk
film
QC2-0475
- 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
Print head
QY6-0061
After replacement:
1. Perform the print head alignment
in the user mode.
- Service test print