External Auxiliary System
Removing the DC Controller PCB
<Preparation>
1) Backup of the Service Mode data
(Lv.2) COPIER> FUNCTION> SYSTEM> DSRAMBUP
<Procedure>
1) Remove the rear cover.
(Reference)
2) Remove the lower rear cover.
(Reference)
3) Disconnect all connectors on the DC controller PCB.
4) Remove the DC controller PCB.
4 screws
<Processing after replacing the parts>
1) Restoring the backup data
(Lv.2) COPIER>FUNCTION>SYSTEM>DSRAMRES
2) If uploading of backup data fails before replacement due to the damage to the DC controller PCB, enter the values of service mode items recorded on the service label.
3) Turn OFF and then ON the main power switch. (Turning OFF/ON the main power switch allows the values entered for the service mode items to take effect.)