• Code: C46E
• Description: Power Supply Thermistor Temp High
• Causes:
• Remedy: Turn off the Power of the printer and back on.

• Code: C46F
• Description: Power Supply Thermistor Temp Low
• Causes:
• Remedy: Turn off the Power of the printer and back on.

• Code: C4C0
• Description: The fuse has blown out.
• Causes: Is the fuser unit installed normally? Does this error recur?
• Remedy: After cleaning the connecting connector of the fuser unit, re-install the fuser unit. Turn on the power again. After checking for the sure cable connection, replace the PU or Board IBY.

• Code: C4E3
• Description: Fuser motor lock error
• Causes: Fuser does not rotate normally. Does this error recur?
• Remedy: Check if the fuser is installed normally or not. Replace the fuser. Replace the fuser motor.

• Code: C4FA
• Description: Media wrapped around the fuser error
• Causes: Media has wrapped around the fuser.
• Remedy: Turn off the power. Replace the fuser.

• Code: C56A ... C56D
• Description: Option unit I/F error (C56A=Duplex Unit, C56B=2nd Tray, C56C=3rd Tray C56D=4th Tray)
• Causes: Does this error recur? Does this error recur?
• Remedy: Turn on the power again. Check for sure connection of the connectors. Replace the option unit.

• Code: C56E
• Description: When LCF is setting,Tray2 Unit I/F Error or Tray3 Unit I/F Error is report from PU. Interchange the error to LCF Unit I/F Error by CU. Occur:When communication has dropped off.
• Causes:
• Remedy: Turn on the power again.

• Code: C5A1
• Description: Read/write error of the engine EEPROM is detected.
• Causes: Does this error recur?
• Remedy: Yes Turn off the power of the printer and back on. Replace the PU board.