Repair; Disassembly & Reassembly Procedures - Canon G1000 Series Service Manual

2. REPAIR

2-1. Disassembly & Reassembly Procedures
General notes:
 Be sure to protect the printer from static electricity in repair servicing, especially for the scanner unit,
main PCB ass'y, and Wireless LAN PCB Ass'y.
 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.
 Before removing a unit, after removing the power cord, allow the printer to sit for approx. one minute
(for capacitor discharging to protect the main PCB ass'y from damages).
 Do not touch the timing slit strip film and timing slit disk feed film. No grease or abrasion is allowed.
 Protect the units from soiled with ink.
 Protect the housing from scratches.
 Exercise caution with the screws, as follows:
i. The 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. Before loosening the four screws that fix the carriage rail to the main chassis, mark the screw
positions so that the carriage rail will be re-attached to the main chassis in its original position.
See 2-1. (23) Removing the Carriage Unit,
How to replace the cartridge only
< In the user mode >
1. Open the scanner unit cover.
2. Press and hold the Stop button for five seconds or more, and wait for the carriage to move to the away
side.
3. Press and hold the Stop button for five seconds or more, and wait for the carriage to move to the cartridge
replacement position.
4. Open the ink tank covers for both black and color ink tanks.
5. Open the cartridge holder and replace the cartridge.
< In the service mode >
1. Open the scanner unit cover.
2. The carriage moves to the cartridge replacement position.
3. Open the ink tank covers for both black and color ink tanks.
4. Open the cartridge holder and replace the cartridge.
for details.
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