Removing The Dc Controller Pcb; Removing The Fax Unit - Canon imageRUNNER ADVANCE C3500 III Series Service Manual

9. When replacing the Main Controller PCB, transfer the following parts from the old PCB to the new PCB.
• FLASH PCB
• TPM PCB
• Memory PCB
10. Actions after Replacement:"Main Controller PCB" on page 277

Removing the DC Controller PCB

■ Preparation
1. Backup the service mode setting values for DCON. Execute the following service mode (Lv.2).
• COPIER > FUNCTION > SYSTEM > DSRAMBUP
After "ACTIVE" is displayed for approx. 2 minutes, "OK!" is displayed.
*: If necessary, output the service mode setting values to reset the setting values by manual as following service mode.
• COPIER > FUNCTION > MISC-P > P-PRINT
2. Remove the Connector Cover.
3. Remove the Cover (Rear Lower).
■ Procedure
1. Remove the DC Controller PCB [1].
• 27 Connectors
• 6 Screws
■ Actions after Replacement
1. Restore the Service Mode data on the following service mode (Lv.2).
• COPIER> FUNCTION> SYSTEM> DSRAMRES
"ACTIVE" is displayed at execution and then "OK!" is displayed about 2 minutes later. Restoration is complete.
2. If uploading of backup data fails before replacement due to the damage of the DC Controller PCB, enter the recorded
values of service mode on the service label or P-PRINT.
3. Turn OFF and ON the main power switch.

Removing the Fax Unit

■ Preparation
1. Remove the Controller Cover.
27x
6x
"Removing the Controller Cover" on page 185
194
4. Parts Replacement and Cleaning
[1]