• Code: A5
• Description: FAX scanning error (Warning)
• Causes: 1 Document scanner unit failure. 2 Main PCB failure.
• Remedy: 1 Document scanner unit failure Replace the document scanner unit. 2 Main PCB failure Replace the main PCB ASSY.

• Code: A6
• Description: FAX scanning error (Error)
• Causes: 1 Document scanner unit failure. 2 Main PCB failure.
• Remedy: 1 Document scanner unit failure Replace the document scanner unit. 2 Main PCB failure Replace the main PCB ASSY.

• Code: A7
• Description: Scanning color parameter file failure
• Causes: 1 Document scanner unit failure. 2 Main PCB failure.
• Remedy: 1 Document scanner unit failure Replace the document scanner unit. 2 Main PCB failure Replace the main PCB ASSY.

• Code: A8
• Description: Scanning color parameter matching miss
• Causes: 1 Document scanner unit failure. 2 Main PCB failure.
• Remedy: 1 Document scanner unit failure Replace the document scanner unit. 2 Main PCB failure Replace the main PCB ASSY.

• Code: AD
• Description: DMA transfer error
• Causes: 1 Document scanner unit failure. 2 Main PCB failure.
• Remedy: 1 Document scanner unit failure Replace the document scanner unit. 2 Main PCB failure Replace the main PCB ASSY.

• Code: AF
• Description: CIS home position sensor is not turned off.
• Causes: 1 Harness connection failure of home position sensor. 2 Document scanner unit failure. 3 Main PCB failure.
• Remedy: 1 Harness connection failure of home position sensor. Check the harness connection of the home position sensor and reconnect it. 2 Document scanner unit failure Replace the document scanner unit. 3 Main PCB failure Replace the main PCB ASSY.

• Code: B0
• Description: Document scanner unit FFC detection error
• Causes: 1 Incomplete insertion of the harness of the CIS unit. 2 Scanner harness broken. 3 Main PCB failure.
• Remedy: 1 Incomplete insertion of the harness of the CIS unit Reconnect the harness for the CIS unit correctly. 2 Scanner harness broken Replace the document scanner unit. 3 Main PCB failure Replace the main PCB ASSY.

• Code: B1
• Description: Dark level offset data level error for scanning
• Causes: 1 Document scanner unit failure. 2 Main PCB failure.
• Remedy: 1 Document scanner unit failure Replace the document scanner unit. 2 Main PCB failure Replace the main PCB ASSY.