Canon MF525x
Service Mode. Overview
Backing up Service Mode
Because setting values and management data of the host machine are stored in the eMMC of the Main Controller PCB, they need to be backed up before replacing the Main Controller PCB. (Do not remove the eMMC PCB form Main Controller PCB.) Also, restoration of the backup data is necessary after replacing the Main Controller PCB.
Backup: Connect a USB flash drive to the USB memory port.
COPIER > FUNCTION > SYSTEM > EXPORT
Restore: Restore backup data of the USB flash drive.
COPIER > FUNCTION > SYSTEM > IMPORT
NOTE:
As for the user data (the Settings/Registration data, etc.), be sure to back up the user data before replacing the Main Controller PCB and then restore it after replacement by either of the following methods:
Backup
- Menu > Management Settings > Data Management > Import/Export > Export
- Remote UI > Settings/Registration > Management Settings > Data Management > Import/Export > Export
Restore
- Menu > Management Settings > Data Management > Import/Export > Import
- Remote UI > Settings/Registration > Management Settings > Data Management > Import/Export > Import
Service Label
In factory setting, adjustments are made for each machine, and adjustment values are written in the service label. In the case of the following, adjustment values for ADJUST or OPTION return to default. Therefore, when you made adjustments in the field.
- Changed Main Controller PCB
- Changed DC Controller PCB
- After RAM clear execution
Therefore, when you made adjustments and changed values of the Service Mode in the field, be sure to write down the changed values in the service label. When there is no relevant field in the service label, write down the values in a blank field.