Canon i860, i865 Service Manual
(Notes on Service Part Replacement and Disassembling / Reassembling - cont’d-)
Service part
Notes on replacement
*1
Adjustment / settings
Operation check
Lift cam shaft unit
(QM2-0593)
(QM2-0593)
At
replacement:
1. Apply grease to the
sliding portions.
2. Adjust the phase of the
lift shaft gear
(QC1-2297).
(QC1-2297).
- Service test print
Timing slit strip film
(QA4-1053)
(QA4-1053)
Timing slit disk film
(QC1-2511)
(QC1-2511)
- Upon contact with the
film, wipe the film with
ethanol.
ethanol.
- Confirm no grease is on
the film. (Wipe off any
grease thoroughly with
ethanol.)
grease thoroughly with
ethanol.)
- Do not bend the film.
After replacement:
1. Perform the print head
1. Perform the print head
alignment in the user
mode.
mode.
- Service test print
Print head
(QY6-0049)
(QY6-0049)
After
replacement:
1. Perform the print head
alignment in the user
mode.
mode.
- Service test print
*1: 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 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 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).
1 - 9