• Code: 170, 171
• Display: Inspection is required.
  170 : Error
  171 : Error
• Description: A fuser thermistor short or open circuit was detected.
• Remedy: Does the error occur again? Yes Turn off and on the MFP. Replace the fuser unit.

• Code: 172, 173
• Display: Inspection is required.
  172 : Error
  173 : Error
• Description: A fuser thermistor temperature error (high or low temperature) was detected.
• Remedy: Does the error occur again? Turn off and on the MFP. Replace the fuser unit. Replace the lowvoltage power supply, and then replace the CU/PU board when the error occurs again.

• Code: 182
• Display: Inspection is required.
  182 : Error
• Description: Option unit I/F error
• Remedy: Does the error occur again? Turn off and on the MFP. Be sure of connector connection. Replace the option unit.

• Code: 190
• Display: Power OFF/ON
  190 : Error
• Description: System memory overflow
• Remedy: Does the error occur again? Yes Turn off and on the MFP. Replace the CU/PU board.

• Code: 200, 201, 202
• Display: Inspection is required.
  200 : Error
  202 : Error
• Description: PU firmware download error
  An error occurred in rewriting the PU firmware.
• Remedy: An error occurred in rewriting the PU firmware. Turn off and on the MFP, and then redownload it (In general use of the MFP, this re-writing is not performed and this error does not occur).

• Code: 203, 204, 207, 208
• Display: Power OFF/ON
  203 : Error
  204 : Error
  207 : Error
  208 : Error
  213 : Error
  F0C : Error
  FFE : Error
  FFF : Error
• Description: CU program error (203 to 213 do not occur in general use of the MFP)
  Invalid processing was performed with a CU program.
• Remedy: Invalid processing was performed with a CU program. Replace the CU/PU board.

• Code: 209
• Display: Power OFF/ON
  209 : Download error
• Description: Custom Media Type table downloading failure
  Custom Media Type table downloading failed.
• Remedy: Custom Media Type table downloading failed. Turn off and on the MFP, and then redownload it (In general use of the MFP, this downloading is not performed and this error does not occur).

• Code: 213, F0C, FFE, FFF
• Display: Power OFF/ON
  203 : Error
  204 : Error
  207 : Error
  208 : Error
  213 : Error
  F0C : Error
  FFE : Error
  FFF : Error
• Description: CU program error (203 to 213 do not occur in general use of the MFP)
  Invalid processing was performed with a CU program.
• Remedy: Invalid processing was performed with a CU program. Replace the CU/PU board.