• Code: 176, 177
• Display: Service call 176: error 177: error
• Description: The backup roller thermistor has detected an abnormal temperature (high temperature or low temperature.)
• Remedy: Does this error recur? Turn on the power again. Replace the fuser unit. Replace the low voltage power supply unit.

• Code: 181, 182
• Display: Service call 181: error 182: error
• Description: Option unit I/F error (181=Duplex Unit, 182=Option Tray)
• Remedy: Does this error recur? Turn on the power again. Check for sure connection of the connectors. Replace the option unit.

• Code: 190
• Display: Re-start the printer. 190: error
• Description: System memory overflow
• Remedy: Does this error recur? Yes Turn on the power again. Increase the addon RAM DIMM.

• Code: 200, 201, 202
• Display: Service call 200: error~ 202: error
• Description: PU Firmware Download Error
  Error has occurred during rewriting of the PU firmware.
• Remedy: After turning on the power again, perform downloading again. (This error does not occur during the normal operation because this processing is not carried out.)

• Code: 203, 204, 207, 208
• 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: After turning off the power, check for the normal connection between the CU board and the PU board. Then, turn on the power again.

• Code: 209
• Display: Re-start the printer. 209: Download error
• Description: Custom Media Type table downloading has failed
• Remedy: After turning on the power again, perform downloading again. (This error does not occur during the normal operation because this processing is not carried out.)

• Code: 214, 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: After turning off the power, check for the normal connection between the CU board and the PU board. Then, turn on the power again.

• Code: 230
• Display: Service call 230: error
• Description: RFID Reader not Installed
• Remedy: RFID read device error Does this error recur?
  Check for normal connection of the RFID R/W board. Replace the RFID R/W. Replace the P6 X board.