• Code: C41D
• Description: The backup roller thermistor is detected of its opencircuit. (At low temperature)
• Remedy: Does this error recur? Yes Turn on the power again. Replace the fuser unit.

• Code: C41E
• Description: Compensation Thermistor Error
• Remedy: Is the error message displayed? Does this error recur? Yes Turn on the power again. After leaving a printer for 30 minutes, turn on the power again.

• Code: C449, C446
• Description: The fuser thermistor has detected an abnormal temperature (high temperature or low temperature.)
• Remedy: Does this error recur? Turn on the power again. Replace the fuser unit. Replace the low voltage power supply unit.

• Code: C44A
• Description: Thermistor Slope Error
• Remedy: Is the error message displayed? Does this error recur? Yes Turn on the power again. After leaving a printer for 30 minutes, turn on the power again.

• Code: C468, C466
• Description: The backup roller thermistor has detected an abnormal temperature (high temperature or low temperature.)
• Remedy: Does this error recur? Turn on the power again. Replace the fuser unit. Replace the low voltage power supply unit.

• Code: C46A, C46B
• Description: Compensation Heater Temp high Compensation Heater Temp Low
• Remedy: Turn on the power,after 30min.

• Code: C4C0
• Description: The fuse has blown out.
• Remedy: Is the fuser unit installed normally? Does this error recur?
  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
• Remedy: Fuser does not rotate normally. Does this error recur?
  Check if the fuser is installed normally or not. Replace the fuser. Replace the fuser motor.