• Code: 252 ... 255
• Display: Inspection is required. 252 : Error - 255 : Error
• Description: SD card security error
• Remedy:

• Code: 256, 257
• Display: Inspection is required. 256 : Error 257 : Error
• Description: SD card error
• Remedy:

• Code: 802, 803, 805, 807, 808
• Display: Power OFF/ON
  Error : 802
  Error : 803
  Error : 805
  Error : 807
  Error : 808
• Description: SU Exception
• Remedy:

• Code: 811, 812, 813
• Display: Power OFF/ON
  Error : 811
  Error : 812
  Error : 813
• Description: SU Communication Error
• Remedy:

• Code: 890
• Display: Power OFF/ON Error : 890
• Description: SU System Memory Overflow
• Remedy:

• Code: 901 ... 904
• Display: Power OFF/ON 901 : Error - 904 : Error
• Description: Belt temperature error 901: Short circuit 902: Open circuit 903: High temperature 904: Low temperature
• Remedy: Is the cable from the belt thermistor to the CU/PU board connected properly? Does the error occur again?
  Connect the cable properly. Turn off and on the MFP. Replace the belt thermistor.

• Code: 923
• Display: Power OFF/ON 923 : Error
• Description: A lock error with black image drum
  The image drum does not revolve properly.
• Remedy: The image drum does not revolve properly. Does the error display is provided again by turning off and on the MFP?
  Be sure the image drum is properly installed properly. Replace the image drum unit. Replace the image drum motor.

• Code: 928
• Display: Power OFF/ON 928 : Error
• Description: Fuser motor lock error
• Remedy: The fuser does not operate properly? Does the error occur again?
  Check that the fuser is properly installed. Replace the fuser. Replace the fuser motor.