• Code: 176, 177
• Description: A backup 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.

• Code: 182
• 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
• 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
• 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 ... 214
• Description: CU program error (203 to 214 do not occur in general use of the MFP)
  Invalid processing was performed with a CU program.
• Remedy: Replace the CU/PU board.

• Code: 209
• Description: Custom Media Type table downloading failure
  Custom Media Type table downloading failed.
• Remedy: 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: 231
• Description: TAG interface error
  IA TAG interface error was detected.
  01 : A short-circuit error.
  03 : TAG communication error.
• Remedy: Be sure the toner cartridges and the image drums are properly set. Replace the toner cartridges. When the error occurs again after the image drums are re-installed, be sure of the cable connection from the CU/PU board to the toner sensor board.

• Code: 250
• Description: SD card error
• Remedy: