OKI MPS710 Error Codes list and solutions

OKI MPS710 Error Codes list and solutions

– Compatible Printer model: OKI MPS710
– OKI MPS710 Error Code description:

• Code: –
• Display: SDRAM ERROR
• Description: CU board (CU) DCON access error
• Troubleshooting Guides: Does this error recur? Yes Turn on the power again. Replace the CU board.

• Code: –
• Display: CRC CHECK NG ( )
• Description: CRC check error of the PU downloaded data
  The CRC check error is detected upon completion of the PU data downloading (PU firmware, Custom media data)
• Troubleshooting Guides: 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: –
• Display: LOADER VERSION
• Description: PU board Flash ROM hash check error
• Troubleshooting Guides: Does this error recur? Yes Turn on the power again. Replace the PU board.

• Code: –
• Display: WDT ERROR R14=XXXX
• Description: PU firmware runaway
• Troubleshooting Guides: Does this error recur? Yes Turn on the power again. Replace the PU board.

• Code: –
• Display: COMMUNICATION ERROR
• Description: I/F error between PU and CU
• Troubleshooting Guides: Is the CU assembly installed normally? Does this error recur?
  Re-install the CU assembly normally. Replace the CU board. Replace the PU board.

• Code: –
• Display: ASIC ERROR
• Description: DCON access error
• Troubleshooting Guides: Does this error recur? Yes Replace the CU board.

• Code: 002 … 005
• Display: Restart the printer. 002: Error~ 005: Error
• Description: CPU Exception
• Troubleshooting Guides: Does the error display recur? If the RAM DIMM is installed, remove it and turn off the power of the printer and back on. Replace the CU board. Re-install the RAM DIMM. Replace the RAM DIMM.

• Code: 020
• Display: Service call 020: Error
• Description: CU ROM Hash Check Error
• Troubleshooting Guides: Does the error display recur? Yes Turn off the power of the printer and back on. Replace the CU board.

• Code: 030
• Display: Service call 030: Error
• Description: CU RAM Check Error
• Troubleshooting Guides: Does the error display recur? Yes Turn off the power of the printer and back on. Replace the CU board.

• Code: 031
• Display: Service call 031: Error
• Description: CU Optional RAM Check Error
• Troubleshooting Guides: Is installation of the RAM DIMM normal? Does the printer recover from the error when the RAM DIMM is replaced?
  Re-install the RAM DIMM. Replace the RAM DIMM. Replace the CU board.

• Code: 040
• Display: Service call 040: Error
• Description: CU EEPROM Error
• Troubleshooting Guides: Does the error display recur? Yes Turn off the power of the printer and back on. Replace the CU board.

• Code: 041
• Display: Service call 041: Error
• Description: CU Flash Error. Flash ROM Error on the CU board
• Troubleshooting Guides: Does the error display recur? Yes Turn off the power of the printer and back on. Replace the CU board.

Solve OKI MPS710 Error codes

• Code: 042 … 045
• Display: Service call 042: Error~ 043: Error 045: Error
• Description: Flash File System Error
• Troubleshooting Guides: Failed to access to the Flash ROM that is directly soldered to the CU board. Turn off the power of the printer and back on. Replace the CU board.

• Code: 072
• Display: Restart the printer. 072: Error. XX
• Description: Engine I/F Error. I/F error between PU and CU
• Troubleshooting Guides: Is the CU assembly installed normally? Does the printer recover from the error when the CU board is replaced?
  Re-install the CU assembly normally. Replace the CU board. Replace the PU board.

• Code: 073
• Display: Restart the printer. 073: Error xxxxxxxx
• Description: Video Error Error is detected when expanding the video data. (Illegal data is received.)
• Troubleshooting Guides: Is the CU assembly installed normally? Does this error recur?
  Re-install the CU assembly normally. Change the PC with another PC having high specifications, or alternately reduce resolution power and execute the print again. Replace the CU board. Replace the interface cable. Re-install the PC printer driver.
  normally? Does this error recur? Does the error depend on print data?
  Re-install the CU assembly normally. Execute the print again. Print any other data. Replace the CU board. Send the data to design division and request analysis of the data.

• Code: 074, 075
• Display: Restart the printer. 074: Error xxxxxxxx 075: Error xxxxxxxx
• Description: Video Error Error is detected when expanding the video data.
• Troubleshooting Guides: Is the CU assembly installed normally? Re-install the CU assembly normally. Replace the CU board.

• Code: 081
• Display: Service call 081: Error
• Description: Parameter integrity check
• Troubleshooting Guides: Either EEPROM or Flash ROM cannot read/write normally. Turn the printer power off and then back on. If the error symptom remains unchanged, replace the CU board.

• Code: 104
• Display: Service call 104: Error
• Description: Read/write error of the engine EEPROM is detected.
• Troubleshooting Guides: Does this error recur? Yes Turn off the power of the printer and back on. Replace the PU board.

• Code: 106
• Display: Service call 106: Error
• Description: Engine control logic has an error.
• Troubleshooting Guides: Does this error recur? Yes Turn off the power of the printer and back on. Replace the PU board.

• Code: 111
• Display: Service call 111: Error
• Description: Duplex unit for other model is detected.
• Troubleshooting Guides: Is the duplex unit for that specific model installed? No Install the correct duplex unit.

• Code: 112
• Display: Service call 112: Error
• Description: 2nd tray for other model is detected.
• Troubleshooting Guides: Is the 2nd tray for that specific model installed? No Install the correct 2nd tray.

• Code: 121
• Display: Service call 121: Error
• Description: High voltage power supply interface error.
• Troubleshooting Guides: Is the cable connecting the PU board to the high voltage unit connected normally? Have you checked defective contact of contactor points?
  Re-connect them normally. Check for defective contact of the high voltage system. Replace the high voltage power supply.

• Code: 122
• Display: Service call 122: Error
• Description: Low voltage power supply fan error
• Troubleshooting Guides: Is the fan (bottom right of the front) of the low voltage power supply block working? Is the fan connector connected normally?
  Check for sure connection of the fan connector. Replace the PU board. Replace the fan motor. Replace the PU board.

• Code: 123
• Display: Service call 123: Error
• Description: Environment humidity is abnormal./ Humidity sensor is not connected.
• Troubleshooting Guides: Does this error recur? Yes Turn off the power of the printer and back on. Replace the control panel board.

• Code: 124
• Display: Service call 124: Error
• Description: Environment temperature is abnormal.
• Troubleshooting Guides: Does this error recur? Yes Turn off the power of the printer and back on. Replace the control panel board.

• Code: 126
• Display: Service call 126: Error
• Description: Dew condensation of the printer is detected.
• Troubleshooting Guides: This error can easily occur when a printer is brought in to indoor from outdoor. Leave the printer for 2 hours or half day under room temperature, and turn on the power again. Does this error recur? Yes After leaving a printer under room temperature, turn on the power again. Replace the control panel board.

• Code: 127
• Display: Service call 127: Error
• Description: Fuser exhaust fan error
• Troubleshooting Guides: Is the fan connector connected normally? Does this error recur? Re-connect it normally. Replace the fan motor. Replace the PU board.

• Code: 128
• Display: Service call 128: Error
• Description: ID cooling fan error
• Troubleshooting Guides: Is the fan connector connected normally? Does this error recur?
  Re-connect it normally. Replace the fan motor. Replace the PU board.

• Code: 131 … 134
• Display: Service call 131: Error~ 134: Error
• Description: LED head detection error
  (131=Y, 132=M, 133=C, 134=K)
• Troubleshooting Guides: Is the LED head connected normally? Is the LED HEAD fuse brown? Does this error recur?
  Install the LED head unit normally. Check the LED HEAD fuse. After checking fuse Turn on the power again. For the method of checking the LED head unit fuse

• Code: 142
• Display: Service call 142: Error
• Description: ID Up/Down position detection error
• Troubleshooting Guides: Is the ID unit caught by anything when it is removed and re-installed? Does this error recur?
  Re-install the ID unit. Turn on the power again. Replace the ID UP/DOWN sensor.

• Code: 150 … 153
• Display: Service call 150: Error~ 153: Error
• Description: The ID unit fuse has blown out. (150=Y, 151=M, 152=C, 153=K)
• Troubleshooting Guides: Is the ID unit installed normally? Does this error recur? Does the printer recover from the error when the PU/PRZ board is replaced?
  Re-install the ID unit. Turn on the power again. After checking for the sure connection of the cable between PRZ board and PU board, replace the PRZ board. Replace the PU board.

• Code: 154
• Display: Service call 154: Error
• Description: The belt unit fuse has blown out.
• Troubleshooting Guides: Is the belt unit connected normally? Does this error recur?
  Re-install the belt unit. Turn on the power again. After checking for the sure cable connection, replace the PU board.

• Code: 155
• Display: Service call 155: Error
• Description: The fuser unit fuse has blown out.
• Troubleshooting Guides: Is the fuser unit installed normally? Does this error recur?
  After cleaning the connecting connector of the fuser unit, re-install the fuser unit. Turn on the power again. After checking for the sure cable connection, replace the PU board.

• Code: 160 … 163
• Display: Service call 160: Error~ 163: Error
• Description: Toner sensor detection error. (160=Y, 161=M, 162=C, 163=K) This error does not occur with the default settings.
• Troubleshooting Guides: Is the toner cartridge installed? Is the lock lever of the toner set? Does this error recur?
  Install the toner cartridge. Rotate the lock lever of toner to the lock position. Turn on the power again. Replace the toner sensor assembly.

• Code: 167
• Display: Service call 167: Error
• Description: Thermistor Slope Error
• Troubleshooting Guides: Is the error message displayed? Does this error recur?
  Turn on the power again. After leaving a printer for 30 minutes, turn on the power again.

• Code: 168
• Display: Service call 168: Error Note)
• Description: Compensation Thermistor Error
• Troubleshooting Guides: Is the error message displayed? Does this error recur?
  Turn on the power again. After leaving a printer for 30 minutes, turn on the power agai

• Code: 170, 171
• Display: Service call 170: Error 171: Error Note)
• Description: Short-circuit or open-circuit of fuser thermistor is detected.
• Troubleshooting Guides: Does this error recur? Yes Turn on the power again. Replace the fuser unit.

• Code: 172, 173
• Display: Service call 172: error 173: error
• Description: The fuser thermistor has detected an abnormal temperature (high temperature or low temperature.)
• Troubleshooting Guides: Does this error recur? Turn on the power again. Replace the fuser unit. Replace the low voltage power supply unit.

• Code: 174
• Display: Service call 174: error
• Description: The backup roller thermistor is detected of its short-circuit. (At high temperature)
• Troubleshooting Guides: Does this error recur? Yes Turn on the power again. Replace the fuser unit.

• Code: 175
• Display: Service call 175: error Note)
• Description: The backup roller thermistor is detected of its opencircuit. (At low temperature)
• Troubleshooting Guides: Does this error recur? Yes Turn on the power again. Replace the fuser unit.

• 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.)
• Troubleshooting Guides: 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)
• Troubleshooting Guides: 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
• Troubleshooting Guides: 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.
• Troubleshooting Guides: 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.
• Troubleshooting Guides: 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
• Troubleshooting Guides: 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.
• Troubleshooting Guides: 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
• Troubleshooting Guides: 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.

• Code: 231
• Display: Service call 231: error
• Description: RFID reader I/F error
  Interface error with the RFID reader is detected.
  01: Communication error between the RFID reader and the engine circuit boards.
  02: Error in the wireless circuit of the RFID reader
  03: Communication error between the RFID reader and the toner cartridge.
  04: Error is detected in the RFID toner cartridge. (In more than 4)
• Troubleshooting Guides: 01: Same as the error no. 230 02: Replace the RFID R/W board. 03: Check for normal connection of the antenna cable. 04: Check if quantity of the toner cartridge is correct or not.

• Code: 901 … 904
• Display: Re-start the printer. 901: error~ 904: error Note)
• Description: Abnormal temperature of belt
  901: Shortcircuit
  902: Open circuit
  903: High temperature
  904: Low temperature
• Troubleshooting Guides: Is the cable from belt thermistor to the high voltage board connected normally? Does this error recur?
  Re-connect the cables normally. Turn on the power again. Replace the belt thermistsor.

• Code: 918
• Display: Re-start the printer. 918: error
• Description: Duplex FAN Alarm Caution
• Troubleshooting Guides: Fan error inside the duplex unit. Does the error recur when the power is turned off once and back on? Does the error recur when the power is turned off once and back on?
  Check if the Duplex unit is installed normally or not. Check if the fans are installed normally or not. Replace the fan.

• Code: 923
• Display: Re-start the printer. 923: error
• Description: Black image drum lock error
• Troubleshooting Guides: The K ID does not rotate normally. Does the error display recur when the power is turned off once and back on?
  Check if the K ID is installed normally or not. Replace the K ID unit. Replace the K ID motor.

• Code: 928
• Display: Service call 928: error
• Description: Fuser motor lock error
• Troubleshooting Guides: Fuser does not rotate normally. Does this error recur?
  Check if the fuser is installed normally or not. Replace the fuser. Replace the fuser motor.

• Code: 980
• Display: Service call 980: error
• Description: Media wrapped around the fuser error
• Troubleshooting Guides: Media has wrapped around the fuser. Turn off the power. Replace the fuser.

• Code: 982
• Display: Service call 982: error
• Description: 4th tray detection error
• Troubleshooting Guides: The 4th tray is installed. Remove the 4th tray.

• Code: 983
• Display: Service call 983: error
• Description: Error due to detection of the toner cartridges of the same color
• Troubleshooting Guides: Two or more toner cartridges of the same color are detected. Install the cartridge of the specified in the specified position.

– 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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