OKI MPS2731mc Error Codes list and solutions

OKI MPS2731mc Error Codes list and solutions

– Compatible Printer model: OKI MPS2731mc
– OKI MPS2731mc Error Code description:

• Code: 001
• Description: Machine Check Exception
  A hardware error was detected (board failure or insufficient power supply capacity).
• Troubleshooting Guides: Replace the CU/ PU board.

• Code: 002, 006, 009, 011
• Description: CPU Exception
• Troubleshooting Guides: Is the error display provided again? Remove any RAM DIMM and turn off and on the MFP. Replace the CU/ PU board. Reinstall the RAM DIMM.

• Code: 020
• Description: CU ROM Hash Check Error
• Troubleshooting Guides: Is the error display provided again? Yes Turn off and on the MFP. Replace the CU/ PU board.

• Code: 024, 025
• Description: Kanji Font Error
• Troubleshooting Guides:

• Code: 030
• Description: CU RAM Check Error
• Troubleshooting Guides: Is the error display provided again? Yes Turn off and on the MFP. Replace the CU/ PU board.

• Code: 031 … 036
• Description: CU optional RAM check error
• Troubleshooting Guides: Is RAM DIMM installed properly? Does the MFP recover by replacing the RAM DIMM?
  Reinstall the RAM DIMM. Replace the RAM DIMM. Replace the CU/ PU board.

• Code: 040
• Description: CU EEPROM error
• Troubleshooting Guides: Is the error display provided again? Yes Turn off and on the MFP. Replace the CU/ PU board.

• Code: 041
• Description: CU flash memory error or CU/PU board flash ROM error
• Troubleshooting Guides: Is the error display provided again? Yes Turn off and on the MFP. Replace the CU/ PU board.

• Code: 042 … 045
• Description: Flash memory file system error
  Accessing the flash ROM directly mounted on the CU/ PU board failed.
• Troubleshooting Guides: Accessing the flash ROM directly mounted on the CU/ PU board failed. Turn off and on the MFP. Replace the CU/ PU board.

• Code: 052
• Description: Image processor driver error
• Troubleshooting Guides: Is the error display provided again? Yes Turn off and on the MFP. Replace the CU/ PU board.

• Code: 054
• Description: A communication error of the scanner unit
  A communication error was detected between the Controller and scanner unit.
• Troubleshooting Guides: Record a value displayed far right at the bottom of LCD and turn on the power unit again.

• Code: 055
• Description: A communication error of the scanner unit
  The Controller detected an error after communication between the Controller and scanner unit was established.
• Troubleshooting Guides: Call for service to review the connection between the scanner and printer or to replace the device if the symptom persists after you turn on the power unit again.

Solve OKI MPS2731mc Error codes

• Code: 057
• Description: The timeout of command communication of the scanner
  The timeout of command communication was detected between the Controller and scanner unit (A sub code indicates a cause).
  01: There is no ACK for a command to start scanning.
  02: There is no ACK for a command to cancel scanning.
  03: There is no ACK for a command to cancel SIP.
• Troubleshooting Guides: Record a value displayed far right at the bottom of LCD and turn off/on the power unit.

• Code: 058
• Description: An error of the scanner controlling area
  An internal error was detected in the scanner controlling area ofthe Controller.
• Troubleshooting Guides: Record a value displayed far right at the bottom of LCD and turn off/on the power unit.

• Code: 059
• Description: A communication error of the scanner unit
  The scanner unit detected an error after communication between the Controller and scanner unit was established.
• Troubleshooting Guides: Call for service to review the connection between the scanner and printer or to replace the device if the symptom persists after you turn on the power unit again.

• Code: 064
• Description: SD Card Missing Error
• Troubleshooting Guides: Is a SD Card installed in the unit, properly?

• Code: 067, 068
• Description: Interface monitor error
• Troubleshooting Guides:

• Code: 069
• Description: NIC Chip Error
• Troubleshooting Guides:

• Code: 070
• Description: PostScript error
  Error is deteced inside the postscript core
• Troubleshooting Guides: Take note of the address that is displayed on LCD. Turn off and on the MFP.

• Code: 072
• Description: Engine interface error or CU-PU interface error
• Troubleshooting Guides: Is the CU/PU board installed properly?
  Reinstall the CU/ PU board properly. Replace the CU/ PU board.

• Code: 073
• Description: Video error. An error was detected in expanding image data (an invalid data was received)
• Troubleshooting Guides: Is the CU/PU board installed properly? Does the error occur again?
  Reinstall it properly. Change the PC to a high-specification one or decrease the resolution, and perform printing again. Replace the CU/ PU board. Replace the interface cable. Reinstall the PC printer driver.
  Is the CU/PU board installed properly? Does the error occur again? Does the error depend on print data?
  Reinstall it properly. Perform printing again. Print other data. Replace the CU/PU board. Ask design people to analyze the data.

• Code: 074, 075
• Description: Video error. An error was detected in expanding image data.
• Troubleshooting Guides: Is the CU/PU installed properly? Reinstall it properly. Replace it.

• Code: 081
• Description: Parameter matching check error
  Reading from or writing into EEPROM or flash memory cannot be made properly.
• Troubleshooting Guides: Reading from or writing into EEPROM or flash memory cannot be made properly. Turn off and on the MFP. Replace the CU/ PU board when the symptom persists.

• Code: 104
• Description: An engine EEPROM read/write error was detected.
• Troubleshooting Guides: Does the error occur again? Yes Turn off and on the MFP Replace the CU/PU board.

• Code: 106
• Description: Engine control logic error
• Troubleshooting Guides: Does the error occur again? Yes Turn off and on the MFP Replace the CU/PU board.

• Code: 111
• Description: Duplex unit for a different model was detected.
• Troubleshooting Guides: Is Duplex unit for the model installed? No Install a correct Duplex unit.

• Code: 112
• Description: The 2nd tray for a model different from the MFP was detected.
• Troubleshooting Guides: Is the 2nd tray for the MFP installed? No Install proper 2nd tray.

• Code: 121
• Description: High-voltage power supply interface error
• Troubleshooting Guides: Is the cable between the CU/ PU board and the highvoltage power unit connected properly? Is a contact faulty?
  Reconnect it properly. Check the highvoltage line for no poor connection. Replace the highvoltage power supply.

• Code: 122
• Description: Rear-fan error
• Troubleshooting Guides: Does the fan at the rear of the MFP operate? Is the connector of the fan connected properly?
  Be sure of the connection of the fan. Replace the CU/PU board. Connect the fan properly. Replace the CU/PU board.

• Code: 123
• Description: Ambient humidity error or non connection of humidity sensor
• Troubleshooting Guides: Is the cable from the CU/PU board to the toner sensor board connected properly?
  Re-connect it properly. Replace the toner sensor board.

• Code: 124
• Description: Ambient temperature error
• Troubleshooting Guides: Is the cable from the CU/PU board to the toner sensor board connected properly?
  Re-connect it properly. Replace the toner sensor board.

• Code: 126
• Description: Condensation on the device was detected.
• Troubleshooting Guides: Condensation is likely to form in such a case that a device is carried in from the outdoors. Leave the device untouched for two hours to a half day and turn on the power unit. Does the error occur again? Yes Leave the device untouched and turn on the power unit. Replace a control panel board.

• Code: 127
• Description: An error of exhaust fan of the Fuser
• Troubleshooting Guides: Is the fan’s connector properly connected? Does the error occur again?
  Connect properly. Replace the fan’s motor. Replace the PU board.

• Code: 128:05
• Description: Image drum fan error
• Troubleshooting Guides: Is the connector of the fan connected properly? Does the error occur again?
  Re-connect it properly. Replace the fan motor. Replace the CU/PU board.

• Code: 128:08
• Description: Front fan error
• Troubleshooting Guides: Is the connector of the fan connected properly? Does the error occur again?
  Re-connect it properly. Replace the fan motor. Replace the CU/PU board.

• Code: 131 … 134
• Description: LED head detection error (131=Y, 132=M, 133=C, 134=K)
• Troubleshooting Guides: Is the LED head installed properly? Is the LED head fuse broken? Does the error occur again?
  Install the LED head unit. Check the LED head fuse. Check the fuse. Turn off and on the MFP. Replace the LED head unit.

• Code: 142
• Description: Image drum up-down movement position detection error
• Troubleshooting Guides: Is the image drum unit removed and installed smoothly? Is the connector of the image drum up-down clutch is connected properly?
  Re-install it. Be sure of the connection of the image drum up-down clutch connector. Replace the toner sensor board. Connect the image drum updown clutch properly.

• Code: 153
• Description: Image drum unit fuse-cut error
• Troubleshooting Guides: Is the image drum unit installed properly? Does the error occur again? Is the MFP recovered by replacing the toner sensor board.
  Re-install it. Turn off and on the MFP. Be sure of the cable connection from the CU/PU board to the toner sensor board, and then replace the toner sensor board. Replace the CU/PU board.

• Code: 154
• Description: Belt unit fusecut error
• Troubleshooting Guides: Is the belt unit installed properly? Does the error occur again?
  Re-install it. Turn off and on the MFP. Be sure of cable connection, and then replace the CU/PU board.

• Code: 155
• Description: Fuser unit fuse-cut error
• Troubleshooting Guides: Is the fuser unit installed properly? Does the error occur again?
  Clean the connection connector of the fuser unit, and then re-install the fuser unit. Turn off and on the MFP. Be sure of cable connection, and then replace the CU/PU board.

• Code: 160 … 163
• Description: Toner sensor detection error (160=Y, 161=M, 162=C, 163=K). This error does not occur with the MFP in the factory shipped configuration.
• Troubleshooting Guides: Is the toner cartridge installed? Is the toner slide shutter set?
  Install the toner cartridge. Turn it to the fixed position. Turn off and on the MFP. Replace the toner sensor assembly.

• Code: 167
• Description: Thermistor slope error
• Troubleshooting Guides: Does an error message appear? Does the error occur again?
  Turn off and on the MFP. Turn off and on the MFP after leaving it for 30 minutes.

• Code: 168
• Description: Compensation thermistor error
• Troubleshooting Guides: Does an error message appear? Does the error occur again? Yes Turn off and on the MFP. Turn off and on the MFP after leaving it for 30 minutes.

• Code: 169
• Description: An error of the Upper Side Thermistor
• Troubleshooting Guides: Does the error occur again? Yes Turn on the power unit. Leave the device for 30 minutes and turn on the power unit again.

• Code: 170, 171
• Description: A fuser thermistor short or open circuit was detected.
• Troubleshooting Guides: Does the error occur again? Yes Turn off and on the MFP. Replace the fuser unit.

• Code: 172 … 173
• Description: A fuser thermistor temperature error (high or low temperature) was detected.
• Troubleshooting Guides: 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: 174
• Description: A backup thermistor shot circuit was detected (high temperature)
• Troubleshooting Guides: Does the error occur again? Yes Turn off and on the MFP. Replace the fuser unit.

• Code: 175
• Description: A backup thermistor open circuit was detected (low temperature)
• Troubleshooting Guides: Does the error occur again? Yes Turn off and on the MFP. Replace the fuser unit.

• Code: 176, 177
• Description: A backup thermistor temperature error (high or low temperature) was detected.
• Troubleshooting Guides: 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
• Troubleshooting Guides: 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
• Troubleshooting Guides: 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.
• Troubleshooting Guides: 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.
• Troubleshooting Guides: Replace the CU/PU board.

• Code: 209
• Description: Custom Media Type table downloading failure
  Custom Media Type table downloading failed.
• Troubleshooting Guides: 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.
• Troubleshooting Guides: 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
• Troubleshooting Guides:

• Code: 251
• Description: SD card erasure error
• Troubleshooting Guides:

• Code: 252 … 255
• Description: SD card security error
• Troubleshooting Guides:

• Code: 256, 257
• Description: SD card error
• Troubleshooting Guides:

• Code: 802 … 808
• Description: SU Exception
• Troubleshooting Guides: Does the error occur again? Yes Turn off and on the MFP. Replace the SU board.

• Code: 809
• Description: SU NAND ECC Error
  The ECC error that restoration was impossible occurred in NAND FLASH of SU.
• Troubleshooting Guides:

• Code: 811, 812, 813
• Description: SU Communication Error
  Communication error between the Controller and the Scanner Unit is detected.
• Troubleshooting Guides: Turn off and on the MFP.

• Code: 814
• Description: SU FW Removed
  It is an error to notify that SU FW was erased by special key operation from a panel.
• Troubleshooting Guides:

• Code: 890
• Description: SU System Memory Overflow
• Troubleshooting Guides: Does the error occur again? Yes Turn off and on the MFP. Replace the SU board

• Code: 899
• Description: CU Disconnect
  In the situation that communication between CU and SU was able to establish, SU FW detected that CU FW had disappeared from a communications path (an USB line).
• Troubleshooting Guides: Is the cable from the belt thermistor to the CU/PU board connected properly? Does the error occur again?
  Connect the cable properly. Turn off and on the MFP. Replace the belt thermistor.

• Code: 901 … 904
• Description: Belt temperature error
  901: Short circuit
  902: Open circuit
  903: High temperature
  904: Low temperature
• Troubleshooting Guides: Is the cable from the belt thermistor to the CU/PU board connected properly? Does the error occur again?
  Connect the cable properly. Turn off and on the MFP. Replace the belt thermistor.

• Code: 918
• Description: An alarm of Duplex Fan was detected.
• Troubleshooting Guides: An error of a fan inside the Duplex. Is it reproduced by turning on thepower unit?
  Review whether or not the Duplex is installed properly. Review whether or not the fan is installed properly. Replace the fan.

• Code: 923
• Description: A lock error with black image drum
  The image drum does not revolve properly.
• Troubleshooting Guides: The image drum does not revolve properly. Does the error display is provided again by turning off and on the MFP?
  Be sure the image drum is properly installed properly. Replace the image drum unit. Replace the image drum motor.

• Code: 928
• Description: Fuser motor lock error
• Troubleshooting Guides: The fuser does not operate properly? Does the error occur again?
  Check that the fuser is properly installed. Replace the fuser. Replace the fuser motor.

• Code: 933
• Description: Tray-2 CPU clock frequency error
• Troubleshooting Guides:

• Code: 941, 942, 943, 944
• Description: PU Error
  A PU error was detected.
  941 : Watch Doc Timer Error
  942 : Detection of Unassigned Interruption
  943 : CPU Error Detection 944 : Dcon Access Error
• Troubleshooting Guides: Turn off and on the MFP. When this error occurs again, replace the CU/ PU board.

• Code: 980
• Description: Media jamming error around fuser.
  Media is jammed by entangling around the fuser.
• Troubleshooting Guides: Turn off the MFP. Replace the fuser.

• Code: 983
• Description: Duplicate toner cartridge detection error
  Multiple toner cartridges for the same color ware detected.
• Troubleshooting Guides: Install toner cartridges for specified colors at the proper positions.

• Code: 990
• Description: Waste toner sensor detection error
• Troubleshooting Guides: Is the K toner cartridge installed? Does the error occur again?
  Install the K toner cartridge. Be sure of cable connection, and then perform board replacement.

• Code: 991
• Description: TAG Color Information Error
  A tag of unsettled color information was detected.
• Troubleshooting Guides:

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

– Get more information about Epson XP 15000 troubleshooting, click here

– Get more error code list with quick guide to fix printer product, click here
– About get help with reseting Epson inkpad or others, click here

Waste Ink Pad Counter Utility Functions:

– Cleaning printhead.
– Ink charge.
– Fix Epson red lights blinking Error

– Fix Epson Service Required Error: A printer’s ink pad at the end of its service life Please contact Epson Support.

– Check the current value of waste ink counters and ink level counters.
– Clear Waste Ink Counters.
– Read and write serial number.
– Read and write USB ID.
– Read and write HEAD ID.
– Make EEPROM dump, backup.
– Paper feed test.
– Nozzle check.
– Color check pattern.
– Initialize (disable) PF deterioration offset.
– Retrieve device information

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