Canon iP4500 - PIXMA Color Inkjet Printer, Simplified Service Manual

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PR lift shaft ass'y
QL2-1450
Input carriage lift
gear
QC2-1873
At replacement:
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
Timing slit disk
eject film
QC2-0476
- Wipe off any grease from
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
*1
.
- Service test print
Print head
QY6-0067
After replacement:
1. Perform the print head
alignment in the user mode
*1
.
- Service test print
*1: For automatic print head alignment, use Matte Photo Paper (MP-101). For manual print head alignment, plain paper
can be used.
General notes:
- Make sure that the flexible cables and wires in the harness are in the proper position and connected
correctly
- 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, timing slit disk film, and timing slit disk eject 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)