• Code: BB
• Description: White level data error
• Causes: 1 Scanner unit failure. 2 Main PCB failure.
• Remedy: 1 Scanner unit failure Replace the FB unit. 2 Main PCB failure Replace the main PCB ASSY.

• Code: BD
• Description: Black level data error
• Causes: 1 Scanner unit failure. 2 Main PCB failure.
• Remedy: 1 Scanner unit failure Replace the FB unit. 2 Main PCB failure Replace the main PCB ASSY.

• Code: BE
• Description: Detection error of scanning starting edge
• Causes: 1 Scanner unit failure. 2 Main PCB failure.
• Remedy: 1 Scanner unit failure Replace the FB unit. 2 Main PCB failure Replace the main PCB ASSY.

• Code: BF
• Description: Duplex scanning cannot be implemented due to too long document.
• Causes:
• Remedy:

• Code: C0
• Description: Identification failure for a new toner cartridge (K)
• Causes: 1 Power off or front cover opened while detecting a new toner cartridge.
• Remedy: 1 Power off or front cover opened while detecting a new toner cartridge Reset the developing bias voltage and develop roller counter.

• Code: C1
• Description: Identification failure for a new toner cartridge (Y)
• Causes: 1 Power off or front cover opened while detecting a new toner cartridge.
• Remedy: 1 Power off or front cover opened while detecting a new toner cartridge Reset the developing bias voltage and develop roller counter.

• Code: C2
• Description: Identification failure for a new toner cartridge (M)
• Causes: 1 Power off or front cover opened while detecting a new toner cartridge.
• Remedy: 1 Power off or front cover opened while detecting a new toner cartridge Reset the developing bias voltage and develop roller counter.

• Code: C3
• Description: Identification failure for a new toner cartridge (C)
• Causes: 1 Power off or front cover opened while detecting a new toner cartridge.
• Remedy: 1 Power off or front cover opened while detecting a new toner cartridge Reset the developing bias voltage and develop roller counter.