• Code: 923
• Display: Power OFF/ON
  923 : Error
• Description: A lock error with black image drum
• 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: 933
• Display: Power OFF/ON
  933 : Error
• Description: Tray-2 CPU clock frequency error
• Remedy:

• Code: 941, 942, 943
• Display: Power OFF/ON
  941 : Error
  942 : Error
  943 : Error
• Description: PU Error
  A PU error was detected. 941 : Watch Doc Timer Error 942 : Detection of Unassigned Interruption 943 : CPU Error Detection
• Remedy: Turn off and on the MFP. When this error occurs again, replace the CU/ PU board

• Code: 946
• Display: Power OFF/ON
  Error : 946
• Description: AC Voltage Zero-crossing Error
• Remedy:

• Code: 980
• Display: Inspection is required.
  980 : Error
• Description: Media jamming error around fuser.
  Media is jammed by entangling around the fuser.
• Remedy: Turn off the MFP. Replace the fuser.