• Code: AC00
• Description: When scanning the fax, white or black correction data for the second side CIS was not within the correct range.
• Causes: 1 Second side CIS unit failure. 2 Main PCB failure.
• Remedy: 1 Second side CIS unit failure Replace the second side CIS unit. 2 Main PCB failure Replace the main PCB ASSY.

• Code: AD00
• Description: Image processing cannot be completed correctly because the number of pixels required for image processing is insufficient in the scanned data for the front side of the document.
• Causes: 1 Incorrect correction data for first side CIS. 2 First side CIS unit failure. 3 Main PCB failure.
• Remedy: 1 Incorrect correction data for first side CIS Execute function code 55. 2 First side CIS unit failure Replace the first side CIS unit. 3 Main PCB failure Replace the main PCB ASSY.

• Code: AF00
• Description: Home position is still being detected even after the first side CIS for the document scanner unit was moved.
• Causes: 1 CIS drive belt coming off. 2 First side CIS unit failure. 3 Document scanner motor failure. 4 Main PCB failure.
• Remedy: 1 CIS drive belt coming off Reattach the CIS drive belt. 2 First side CIS unit failure Replace the first side CIS unit. 3 Document scanner motor failure Replace the document scanner unit. 4 Main PCB failure Replace the main PCB ASSY.

• Code: B000
• Description: Detected that the first side CIS flat cable or second side CIS flat cable was not inserted correctly.
• Causes: 1 Connection failure of the first side CIS flat cable or second side CIS flat cable. 2 First side CIS unit or second side CIS unit failure. 3 Main PCB failure.
• Remedy: 1 Connection failure of the first side CIS flat cable or second side CIS flat cable Reconnect the first side CIS flat cable or second side CIS flat cable. 2 First side CIS unit or second side CIS unit failure Replace the first side CIS unit or second side CIS unit. 3 Main PCB failure Replace the main PCB ASSY.

• Code: B700
• Description: The voltage value was above the upper limit during scanning.
• Causes: 1 First side CIS unit or second side CIS unit failure. 2 Main PCB failure.
• Remedy: 1 First side CIS unit or second side CIS unit failure Replace the first side CIS unit or second side CIS unit. 2 Main PCB failure Replace the main PCB ASSY.

• Code: B800
• Description: The voltage value was below the lower limit during scanning.
• Causes: 1 First side CIS unit or second side CIS unit failure. 2 Main PCB failure.
• Remedy: 1 First side CIS unit or second side CIS unit failure Replace the first side CIS unit or second side CIS unit. 2 Main PCB failure Replace the main PCB ASSY.

• Code: B900
• Description: The white level does not increase during scanning although the light intensity was increased.
• Causes: 1 First side CIS unit or second side CIS unit failure. 2 Main PCB failure.
• Remedy: 1 First side CIS unit or second side CIS unit failure Replace the first side CIS unit or second side CIS unit. 2 Main PCB failure Replace the main PCB ASSY.

• Code: BB00
• Description: A white level not within the standard was scanned when function code 55 was executed.
• Causes: 1 First side CIS unit or second side CIS unit failure. 2 Main PCB failure.
• Remedy: 1 First side CIS unit or second side CIS unit failure Replace the first side CIS unit or second side CIS unit. 2 Main PCB failure Replace the main PCB ASSY.