Canon imageRUNNER ADVANCE C5051 Series Service Manual page 340

4
Parts Replacement and Cleaning > Main Controller > Removing the Main Power Unit > Preparations
CAUTION:
There is a connector on the backside of the DC Controller PCB. When removing the DC
Controller PCB, be careful about the connecter.
CAUTION:
When replacing the DC Controller PCB, be sure to use a new one. Do not use the DC
Controller PCB which was used with another machine.
■ Actions after Replacement
Turn ON the main power supply and restore the DC Controller PCB SRAM.
Execute COPIER > FUNCTION > SYSTEM > DSRAMRES (LEVEL2).
After the above execution, "ACTIVE" is displayed for approx. 2 minutes, then "OK!" is
displayed. Restoration is completed now.
4 Parts Replacement and Cleaning > Main Controller > Removing the Main Power Unit > Preparations
Connector
Removing the Main Power Unit
■ Preparations
1) Open the Right Lower Cover and Right Upper Cover.
2) Remove the Right Rear Cover.
3) Remove the Left Rear Cover and the Left Rear Sub Cover.
4) Remove the Rear Cover.
● Remove the Rear Lower Cover.
5) Remove the Connector Cover.
• 1 screw
6) When the Cassette Pedestal is installed, remove the connector.
• 6 harness guides
• 5 connectors
Connectors
x6
x5
4-74
F-4-68
Harness guides
F-4-69
4-74