• Code: 923
• Display: Re-start the printer. 923: Error
• Description: Black image drum lock error
  The K ID does not rotate normally
• Remedy: The K ID does not rotate normally. Does the error display recur when the power is turned off once and back on?
  Check if the K ID is installed normally or not. Replace the K ID unit. Replace the K ID motor.

• Code: 928
• Display: Service call 928: Error
• Description: Fuser motor lock error
  Fuser does not rotate normally.
• 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.

• Code: 980
• Display: Service call 980: Error
• Description: Media wrapped around the fuser error
• Remedy: Media has wrapped around the fuser. Turn off the power. Replace the fuser.

• Code: 982
• Display: Service call 982: Error
• Description: 4th tray detection error
• Remedy: The 4th tray is installed. Remove the 4th tray.

• Code: 983
• Display: Service call 983: Error
• Description: Error due to detection of the toner cartridges of the same color
  Two or more toner cartridges of the same color are detected.
• Remedy: Two or more toner cartridges of the same color are detected. Install the cartridge of the specified in the specified position.

• Code: 984 ... 987
• Display: Service call 984: Error - 987: Error
• Description: Detection of an unsupported toner cartridge
  An unsupported toner cartridge has been detected.
  984:Black toner cartridge position
  985:Yellow toner cartridge position
  986:Magenta toner cartridge position
  987:Cyan toner cartridge position
• Remedy: Replace it with an appropriate toner cartridge.

• Code: F0C, FFF
• Display: Re-start the printer.
  203: Error
  204: Error
  207: Error
  208: Error
  214: Error
  FOC: Error
  FFF: Error
• Description: CU program error (The error numbers 203 through 214 do not occur under the normal operation.)
  Illegal processing is executed by the CU program.
• Remedy: Illegal processing is executed by the CU program. After turning off the power, check for the normal connection CU/ PU board. Then, turn on the power again.