Precautions For Main Board Ass'y Replacement And Repair - Canon JX500 Service Manual

4-2 Precautions for Main Board ass'y Replacement and
Repair
- Confirm the connection between cables and connecters.
- Never drop the ferrite core.
- Never damage electronic devices by electricity.
- Wait approximately 1 minute after unplugging the AC adapter, and then
disassemble Main Board ass'y. This prevents from damaging Main Board ass'y by
discharging storage electricity in the condenser.
- Never touch the Timing Slit Strip Film and the Timing Slit Disk Film.
- Never contaminate the inside/outside the unit by ink.
- Never scratch the main frame.CAUTIONS for the red screw
The paper feed motor installation the red screw is removable only when
replacing the Paper Feed Motor Unit. Never loosen the red screw for other
cases.
(Refer to
Never loosen the carriage rail the red screw other than for replacing the
carriage.
Check if the FINE Cartridge is not in friction with a board as the paper gap
(carriage rail-platen) check after replacing the carriage.
Adjust the rail installation position if friction is detected.
(Refer to
4-2-1 Main Board ass'y Replacement Procedure
1. Save the needed data as the backup. This is for succeeding the losing data by replacing
Main Board ass'y. Execute
Report
2. Install new lithium battery to new Main Board ass'y.
3. Turn hard-power off.
4. Replace Main Board ass'y.
5. Start MFP service mode
6. Open the operation panel. Remove FINE Cartridge.
7. Perform the destination setting
Setting)
8. Perform EEPROM clear
initialization)
9. Input the waste ink counter
10. Turn soft-power off.
11. Start the localization mode.
12. Perform the localization setting.
13. Turn soft-power off.
14. Turn hard-power off.
Part:1-4-5-1 Paper feed motor
Part: 1:4-5-2 Main chassis and carriage rail
Part 1: 5-8-3 EEPROM Information
. (Refer to Part1: 5-4 User Maintenance
in the MFP service mode. (Refer to
in the MFP service mode. (Refer to
value.
Part 1 - 29
adjustment)
adjustment)
Printout, Part 1: 5-12-8
Mode)
Part1: 5-8-6 Region
Part:1 5-8-4 EEPROM