Code :
- Code: F0
- Description: Front control panel error
Communication is failed between the front panel and the main controller.
- Causes: Replace the main controller board.
- Code: F1
- Description: System ROM error
Checksum is failed with FLASH ROM on the main controller board.
- Causes: Replace the main controller board.
- Code: F2
- Description: Main memory error
Checksum is failed with the RAM on the main controller board
- Causes: Replace the main controller board.
- Code: F3
- Description: General failure
Miscellaneous failure with the main controller, other than F0, F1, and F3, above.
- Causes: Turn printer power off, then on again. If not solved, replace the main controller board.