Canon iP4000 - PIXMA Photo Printer Service Manual page 14

Service part
Shaft lift
QC1-4331
Timing slit strip film - Upon contact with the film, wipe the
QC1-4284
- Confirm no grease is on the film. (Wipe
Timing slit disk film
QC1-4833
- Do not bend the film
Print head
QY6-0049
*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, (1) Flexible cable and harness wiring, connection, for details.]
- 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).
Notes on replacement *1
film with ethanol.
off any grease thoroughly with
ethanol.)
<Part 1: 3. REPAIR, 3-1>
Adjustment / settings
At replacement:
1. Apply grease to the sliding portions.
[See 3.3. Adjustment / Settings, (3)
Grease application.]
After replacement:
1. Perform the print head alignment in
the user mode.
After replacement:
1. Perform the print head alignment in
the user mode.
1 - 9
Operation check
- Service test print
- Service test print
- Service test print
To the top