• Code: 906
• Display: Service call 906:Error
• Description: A short circuit error of frame thermistor (defective improper) detected.
• Remedy: Does error reoccur? Turn power ON again. Replace the fuser unit.

• Code: 907
• Display: Service call 907:Error
• Description: A high temperature error (over 150°C) of frame thermistor detected.
• Remedy: Does error reoccur? Turn power ON again. Replace the fuser unit.

• Code: 908
• Display: Service call 908:Error
• Description: A low temperature error (below [environmental temperature minus 10]°C) of frame thermistor detected.
• Remedy: Does error reoccur? Turn power ON again. Replace the fuser unit.

• Code: FOC, F0D, FFE, FFF
• Display: Power off/on 203:Error
  204:Error 207:Error
  208:Error 210:Error ~ 214:Error
  F0C:Error F0D:Error(C5400 only)
  FFE:Error(C5400 only) FFF:Error
• Description: An error was detected of the CU program. (203~214 is not occure in usual operating.)
• Remedy: Reinstall the CU board. Is the error message displayed again? After turn power OFF, check connections between CU board and PU board. Then turn power ON again.