• Code: BD
• Description: Black level data error.
• Causes: 1 Second side scanning CIS failure. 2 Document scanner unit failure. 3 Main PCB failure
• Remedy: 1 Second side scanning CIS failure Replace the second side scanning CIS. 2 Document scanner unit failure Replace the document scanner unit. 3 Main PCB failure Replace the main PCB ASSY.

• Code: BE
• Description: The scanning area start edge detection error.
• Causes: 1 Main PCB failure
• Remedy: Replace the main PCB ASSY.

• Code: BF
• Description: The document is too long for ADF duplex feeding.
• Causes: 1 Document second side rear actuator catching on some position. 2 Main PCB failure
• Remedy: 1 Document second side rear actuator catching on some position Correct catching of the document second side rear actuator. 2 Main PCB failure Replace the main PCB ASSY.

• Code: C0
• Description: Failure to detect a new black toner cartridge.
• Causes: 1 Power off or front cover opened while detecting a new toner cartridge
• Remedy: Reset the developing bias voltage and developer roller counter.

• Code: C1
• Description: Failure to detect a new yellow toner cartridge.
• Causes: 1 Power off or front cover opened while detecting a new toner cartridge
• Remedy: Reset the developing bias voltage and developer roller counter.

• Code: C2
• Description: Failure to detect a new magenta toner cartridge
• Causes: 1 Power off or front cover opened while detecting a new toner cartridge
• Remedy: Reset the developing bias voltage and developer roller counter.

• Code: C3
• Description: Failure to detect a new cyan toner cartridge.
• Causes: 1 Power off or front cover opened while detecting a new toner cartridge
• Remedy: Reset the developing bias voltage and developer roller counter.

• Code: C4
• Description: Paper tray 2 pressing plate up/ down error.
• Causes: 1 Harness connection failure of T2 plate motor ASSY. 2 Harness connection failure of T2 Relay PCB ASSY. 3 T2 plate-up detection sensor failure. 4 T2 Relay PCB ASSY failuresor failure. 5 Engine PCB failure. 6 T2 plate motor ASSY failurer failure
• Remedy: 1 Harness connection failure of T2 plate motor ASSY Check the harness connection of the T2 plate motor ASSY and reconnect it. 2 Harness connection failure of T2 Relay PCB ASSY Check the harness connection of the T2 Relay PCB ASSY and reconnect it. 3 T2 plate-up detection sensor failure Check the sensor performance following the procedure described in “Function code 32”. If any problem occurs, replace the T2 paper feed frame unit. 4 T2 Relay PCB ASSY failure Replace the T2 Relay PCB ASSY. 5 Engine PCB failure Replace the engine PCB ASSY. 6 T2 plate motor ASSY failure Replace the paper tray 2.