OKI ES3640eMFP Error Codes list and solutions

OKI ES3640eMFP Error Codes list and solutions

– Compatible Printer model: OKI ES3640eMFP
– OKI ES3640eMFP Error Code description:

• Code: 001
• Display: Service Call 001: Error
• Description: A heavy trouble of the CU substrate (defective substrate or power supply capacity shortage) was detected.
• Causes: Is the error display reproducible? Is the error display reproducible?
• Troubleshooting Guides: Power OFF/ON Replace CU PCB. (Must replace EEPROM)

• Code: 002 … 007
• Display: Service Call Power off/on nnn: Fatal Error PC: nnnnnnnn LR: nnnnnnnn FR: nnnnnnnn 002: Erro to 007: Error
• Description: This stems from a variety of causes.For analyzing causes, record three numbers (called program counting value) indicated below LCD column and a printer firmware version. [Cause] Unmatched print data and printer FW Damaged EEPROM data Defect ROM DIMM or RAM DIMM Defect components etc. of CPU and ASIC Others Keep on an alyzing causes if an error still remains. Above mentioned to are likelihood of causes.
• Causes: Record three digital numbers below LCD column. Restart with OFF/ON? Does an error occur in a particular print data? Is the error display reproducible? Is the error display reproducible? Is the error display reproducible?
• Troubleshooting Guides: Notify three digital numbers below LCD column and F/W version. Check if it occurs depending on a print data. Request for print data investigation. Change RAM DIMM or ROM DIMM. Replace CU PCB. (Must replace EEPROM) Initialize EEPROM. Re-execute Network setup, such as user setup etc. for use. Change the printer.

• Code: 020 … 024
• Display: Service Call 020: Error or 024: Error
• Description: CU ROM Hash Check Error 1
• Causes: Is the Slot A ROM DIMM mounted properly? Is operations restored by replacing the Slot A ROM DIMM?
• Troubleshooting Guides: Remount Slot A ROM DIMM Replace Slot A ROM DIMM. Replace CU PCB. (Must replace EEPROM)

• Code: 025
• Display: Service Call 025: Error
• Description: CU Font ROM Hash Error1
• Causes: Detected a Font ROM_DIMM hash check error. (Japan Model only)
• Troubleshooting Guides: Is the Slot B ROM DIMM1 mounted normally? Is the problem corrected by replacing the Slot B ROM DIMM1?

• Code: 030
• Display: Service Call 030: Error
• Description: CU Resident RAM Check Error
• Causes: Is the error display reproducible?
• Troubleshooting Guides: Replace CU PCB. (Must replace EEPROM)

• Code: 031
• Display: Service Call 031: Error
• Description: CU Slot1 DIMM RAM Check Error
• Causes: Is the applicable RAM DIMM mounted properly? Is operation restored by replacing the applicable RAM DIMM?
• Troubleshooting Guides: Re-mount applicable RAM DIMM. Replace RAM DIMM. Replace CU PCB. (Must replace EEPROM)

• Code: 032
• Display: Service Call 032: Error
• Description: CU Slot2 DIMM RAM Check Error
• Causes: Is the applicable RAM DIMM mounted properly? Is operation restored by replacing the applicable RAM DIMM?
• Troubleshooting Guides: Re-mount applicable RAM DIMM. Replace RAM DIMM. Replace CU PCB. (Must replace EEPROM)

• Code: 036
• Display: Service Call 036: Error
• Description: Slot1 RAM Spec error Specification of DIMM in CU RAM slot is unsupported.
• Causes: Is this a standard RAM DIMM? Is the applicable RAM DIMM difference mounted normal? Is operation restored by replacing the applicable RAM DIMM?
• Troubleshooting Guides: Use a standard RAM DIMM. Re-mount applicable RAM DIMM. Replace RAM DIMM Replace CU PCB. (Must replace EEPROM)

• Code: 037
• Display: Service Call 037: Error
• Description: Slot2 RAM Spec error Specification of DIMM in CU RAM slot2 is unsupported
• Causes: Is this a standard RAM DIMM? Is the applicable RAM DIMM difference mounted normal? Is operation restored by replacing the applicable RAM DIMM?
• Troubleshooting Guides: Use a standard RAM DIMM. Re-mount applicable RAM DIMM. Replace RAM DIMM. Replace CU PCB. (Must replace EEPROM)

• Code: 040
• Display: Service Call 040: Error
• Description: CU EEPROM ERROR
• Causes: Is the problem corrected by replacing the CU PCB EEPROM?
• Troubleshooting Guides: REPLACE EEPROM. (User must correct environmental conditions) Replace CU PCB. (Must replace EEPROM)

• Code: 041
• Display: Service Call 041: Error
• Description: CU FLASH ERROR CU PCB flash ROM error
• Causes: Is the error display reproducible?
• Troubleshooting Guides: Replace CU PCB. (Must replace EEPROM)

• Code: 042..045
• Display: Service Call 042: Error to 045: Error
• Description: CU PCB flash ROM error Flash File System Error
• Causes: Failed to access flash memory that is surface-mounted on CU PCB.
• Troubleshooting Guides: Replace CU PCB (Must replace EEPROM)

Solve OKI ES3640eMFP Error codes

• Code: 048
• Display: Service Call 048: Error
• Description: PS+PCL Model CU ROM is mounted on a PCL model unit.
• Causes: Is a standard model program ROM mounted?
• Troubleshooting Guides: Replace Program ROM DIMM. Replace with standard program ROM DIMM officially for the model.

• Code: 049
• Display: Service Call 049: Error
• Description: CU Type Mismatch CU ROM model mismatches unit.
• Causes: Is a standard model program ROM mounted?
• Troubleshooting Guides: Replace Program ROM DIMM. Replace with standard program ROM DIMM officially for the model.

• Code: 050
• Display: Service Call 050: Error
• Description: Operator Panel Error
• Causes: Is the error display reproducible?
• Troubleshooting Guides: Refer to the flowchart on “Failure to appear on LCD”.

• Code: 051
• Display: Service Call 051: Error
• Description: CU FAN ERROR CPU cooling fan of CU PCB is abnormal.
• Causes: Is the connection of the CU PCB normal? Replace and restore fan?
• Troubleshooting Guides: Normally connect. Replace fan. Replace CU PCB. (Must replace EEPROM)

• Code: 052
• Display: Power Off/on 052: Error
• Description: Image Processor Driver Error
• Causes: Is the error display reproducible?
• Troubleshooting Guides: Power OFF/ON Replace CU PCB. (Replace EEPROM)

• Code: 060
• Display: Power Off/on 060: Error
• Description: Parallel Interface Driver Error
• Causes: Is the error display reproducible?
• Troubleshooting Guides: Power OFF/ON Replace CU PCB.(Replace EEPROM)

• Code: 062
• Display: Power Off/on 062: Error
• Description: USB Drive Error
• Causes: Is the error display reproducible? Is the Network PCB properly mounted?
• Troubleshooting Guides: Power OFF/ON Replace CU PCB.(Replace EEPROM)

• Code: 063
• Display: Power Off/on 063: Error
• Description: Network comm. Error H/W I/F abnormality between CU-NIC.
• Causes: Does replacement of the network PCB correct the problem?
• Troubleshooting Guides: Properly mount Replace Network Replace CU PCB. (Must replace EEPROM)

• Code: 070
• Display: Power Off/on 070: Error
• Description: CANT_HAPPEN PS Firmware Abnormality Detection
• Causes: Check if problem is corrected by turning OFF/ON Power
• Troubleshooting Guides: Replace CU PCB. (Must replace EEPROM)

• Code: 072
• Display: Power Off/on 072: Error
• Description: Engine communication error I/F Error between PUCU.
• Causes: Is the CU Assy properly mounted? Does replacement of the CU PCB correct the problem?
• Troubleshooting Guides: Properly mount Replace CU PCB. (Must replace EEPROM) Replace PU PCB

• Code: 073 … 075
• Display: Power Off/on 073: Error to 075: Error
• Description: Video overrun detect
• Causes: Is the CU Assy properly mounted? Does replacement of the CU PCB correct the problem?
• Troubleshooting Guides: Properly mount Replace CU PCB. (Must replace EEPROM)

• Code: 081
• Display: Service Call 081: Error
• Description: Parameter Match Check Error
• Causes: Normal Read/Write not possible with EEPROM or Flash.
• Troubleshooting Guides: If the condition does not change replace CU PCB.

• Code: 096
• Display: Service Call 096: Error
• Description: Finisher Unrestorable Error
• Causes: Is the error display reproducible?
• Troubleshooting Guides: If turning OFF and ON the power again does not correct the problem, maintenance by a servicing personnel is necessary.

• Code: 097
• Display: Service Call 097: Error
• Description: Inverter power supply Error
• Causes: Is the error display reproducible?
• Troubleshooting Guides: If turning OFF and ON the power again does not correct the problem, maintenance by a servicing personnel is necessary.

• Code: 104
• Display: Service Call 104: Error
• Description: When turning ON the power, detected error in engine EEPROM test total.
• Causes: Does the Error take place again?
• Troubleshooting Guides: Replace engine control PCB (S2V).

• Code: 105
• Display: Service Call 105: Error
• Description: When turning ON the power, failed to detect the EEPROM (presence).
• Causes: Is there an EEPROM? Does the Error take place again?
• Troubleshooting Guides: Check to see if there is an EEPROM. If not, mount an EEPROM. Mount the EEPROM. Replace engine control PCB (S2V).

• Code: 106
• Display: Service Call 106: Error
• Description: Error detected in engine control logic.
• Causes: Does the Error take place again?
• Troubleshooting Guides: Replace engine control PCB (S2V).

• Code: 111 … 117
• Display: Service Call 111: Error to 117: Error
• Description: An optional unit for another model was detected. 111: Duplex unit 112: 2nd Tray 113: 3rd Tray 114: 4thTray 115: 5th Tray 116: Finisher 117: Inverter
• Causes: Is the proper optional unit for that model mounted?
• Troubleshooting Guides: Mount the proper optional unit. Check the connection. Then turn ON the power again. Replace the unit if operations is not restored.

• Code: 121
• Display: Service Call 121: Error
• Description: Low Voltage Power FAN Error
• Causes: 1) Is the PU PCB high voltage power cable properly connected? 2) Does the Error take place again?
• Troubleshooting Guides: Connect properly Check to see if there is any contact-defects in the high voltage system. Replace High Voltage Power Unit

• Code: 123
• Display: Service Call 123: Error
• Description: Sensor detects an inappropriate relative humidity for the operating environment.
• Causes: 1) Is an Error message displayed? 2) Does the Error take place again?
• Troubleshooting Guides: Turn ON power again. Replace the environmental sensor.

• Code: 124
• Display: Service Call 124: Error
• Description: Sensor detects an inappropriate room temperature for the operating environment.
• Causes: 1) Is an Error message displayed? 2) Does the Error take place again?
• Troubleshooting Guides: Turn ON power again. Replace the environmental sensor.

• Code: 125
• Display: Service Call 125: Error
• Description: Error detected in MPT home position.
• Causes: 1) Is an Error message displayed? 2) Does the Error take place again?
• Troubleshooting Guides: Turn ON power again. Replace MPT

• Code: 126
• Display: Turn OFF the power and wait for awhile. 126: Dew Error
• Description: Sensor Dew Error
• Causes: Sensor Dew Error Detected
• Troubleshooting Guides: Wait a while then turn ON power again.

• Code: 128
• Display: Service Call 128: Error
• Description: Engine FAN Motor Error
• Causes: Error was detected in each fan. 01: Fuser FAN Error 02: Power FAN Error 03: PU Motor FAN Error 04: Belt FAN Error 05: IDFAN Error 06: Top Cover FAN Error
• Troubleshooting Guides: Is the applicable location of the fan connection normal? If the condition does not change Replace fan.

• Code: 131 … 134
• Display: Service Call 131: Y Head 132: M Head 133: C Head 134: K Head
• Description: After turning ON the power or when cover is closed, the sensor detects that the unit is missing.
• Causes: 1) Is an Error message displayed? 2) Is the LED head properly mounted? 3) Does the Error take place again?
• Troubleshooting Guides: ICheck the OED head unit. Turn ON power again. Replace the LED head Assy.

• Code: 140 … 142
• Display: Service Call 140: Y 141: M 142: Error
• Description: Color ID up/down error is detected.
• Causes: 1) Is an Error message displayed? 2) Does the Error take place again?
• Troubleshooting Guides: Turn ON power again. Confirm that the Y, M, and C ID units are in position, and reboot.

• Code: 144 … 147
• Display: Service Call 144: Y ID 145: M ID 146: C ID 147: K ID
• Description: This is indicated when the toner feed switch error or the toner locklever- open error occurs repeatedly when new toner is used.
• Causes: 1) Is the toner lock-lever-open error indicated? 2) Does the problem persist even if the ID units are replaced?
• Troubleshooting Guides: Confirm that the lever is in position. Replace the toner feed unit. Replace the ID units.

• Code: 150 … 153
• Display: Service Call 150: Y 151: M 152: C 153: K
• Description: When ID unit fuse cannot be cut.
• Causes: Check if the ID Unit is normally mounted.
• Troubleshooting Guides: Check cable connection, then replace engine PCB.

• Code: 154
• Display: Service Call 154: Error
• Description: When belt unit fuse cannot be cut.
• Causes: Is the belt unit mounted normally?
• Troubleshooting Guides: Check cable connection, then replace engine PCB.

• Code: 155
• Display: Service Call 155: Error
• Description: When fuser unit fuse cannot be cut.
• Causes: Is the fuser unit mounted normally?
• Troubleshooting Guides: Check cable connection, then replace engine PCB.

• Code: 160 … 163
• Display: Service Call 160: Y Toner 161: M Toner 162: C Toner 163: K Toner
• Description: Toner sensor detected error.
• Causes: 1) Is an Error message displayed? 2) Does the Error take place again?
• Troubleshooting Guides: Replace toner sensor or Assy (SGG-PWB). Replace toner sensor or Assy (SGG-PWB).

• Code: 167
• Display: Service Call 167: Error
• Description: Thermistor Slope Error
• Causes: 1) Is an Error message displayed? 2) Does the Error take place again?
• Troubleshooting Guides: Turn ON power again. Leave in that state for 30 minutes then turn ON power again.

• Code: 168
• Display: Service Call 168: Error
• Description: Compensation Thermistor Error
• Causes: 1) Is an Error message displayed? 2) Does the Error take place again?
• Troubleshooting Guides: Turn ON power again. Leave in that state for 30 minutes then turn ON power again.

• Code: 169
• Display: Service Call 169: Error
• Description: Upper Side Thermistor Error
• Causes: 1) Is an Error message displayed? 2) Does the Error take place again?
• Troubleshooting Guides: Turn ON power again. Leave in that state for 30 minutes then turn ON power again.

• Code: 170 … 175
• Display: Service Call 170: Error 171: Error 174: Error 175: Error
• Description: Fuser Thermistor short-circuit or Open is detected (High Temperature (HOT) or Low Temperature (COLD))
• Causes: 1) Is an Error message displayed? 2) Does the Error take place again?
• Troubleshooting Guides: Turn ON power again. Leave in that state for 30 minutes then turn ON power again.

• Code: 172, 176
• Display: Service Call 172: Error 176: Error
• Description: Thermistor indicates High Temperature (HOT) Error.
• Causes: 1) Is an Error message displayed? 2) Does the Error take place again?
• Troubleshooting Guides: Turn ON power again. Leave in that state for 30 minutes then turn ON power again.

• Code: 173, 177
• Display: Service Call 173: Error 177: Error
• Description: Thermistor indicates Low Temperature (COLD) Error.
• Causes: 1) Is an Error message displayed? 2) Does the Error take place again?
• Troubleshooting Guides: Turn ON power again. Leave in that state for 30 minutes then turn ON power again.

• Code: 179
• Display: Service Call 179: Error
• Description: Wrong Fuser Standard
• Causes: 1) Is the model and power voltage of the fuser mounted proper? 2) Fuser is properly mounted, but Error results again.
• Troubleshooting Guides: Assemble the proper fuser. Check to see that the fuser is properly assemble. Replace fuser.

• Code: 180 … 186
• Display: Service Call 180: Error to 186: Error
• Description: The engine detects communication is not possible with the optional unit. 180:Envelope Feeder (Unused) 181:Duplex unit 182:Tray2 unit 183:Tray3 unit 184:Tray4 unit 185:Tray5 unit 186:Finisher unit
• Causes: 1) Is an Error message displayed? 2) Does the Error take place again?
• Troubleshooting Guides: Turn ON power again. Replace optional unit.

• Code: 187
• Display: Service Call 187: Error
• Description: Communication with control panel failed.
• Causes: Is the control panel and cable connected properly?
• Troubleshooting Guides: Connect properly Replace the control panel and cable.

• Code: 188
• Display: Service Call 188: Error
• Description: Sub-CPU I/F Error
• Causes: Sub-CPU Communication Error
• Troubleshooting Guides: Check the connection of the S2M board. Replace the S2M board.

• Code: 189
• Display: Service Call 189: Error
• Description: Inverter Unit I/F Error
• Causes: 1) Inverter communications error 2) Does the Error take place again?
• Troubleshooting Guides: Check the connection of the I/F cable. Replace the V72-3 board.

• Code: 190
• Display: Service Call 190: Error
• Description: System Memory Overflow
• Causes: System Memory Overflow
• Troubleshooting Guides: Power OFF/ON Replace CU PCB. (Replace EEPROM)

• Code: 200 … 202
• Display: Service Call 200: Error to 202: Error
• Description: PU Firm Download Error
• Causes: Error occurred when downloading PU firmware.
• Troubleshooting Guides: After turning ON the power again, try downloading again. (This process isn’t executed for regular operations, therefore, will not occur)

• Code: 203 … 214
• Display: Service Call 203: Error 204: Error 207: Error to 214: Error Power Off/on nnn: p 0xFOC: Error 0xFOD: Error 0xFFE: Error 0xFFF: Error
• Description: CU Program Dysfunction
• Causes: Detected illegal process with CU program
• Troubleshooting Guides: Write down the 24 digit number displayed on the LCD panel and report it. Turn OFF the power. Then check the insertion of the CU board. Now turn ON the power again.

• Code: 209
• Display: Power On/off 209: DOWNLOAD ERROR
• Description: Custom Media Table Download Error
• Causes: Failed to download custom media table.
• Troubleshooting Guides: After turning ON the power again, try downloading again. (This process isn’t executed for regular operations, therefore, will not occur)

• Code: 220
• Display: Service Call 220: Error
• Description: Print Satistic mismatch
• Causes: HDD was removed or replaced after print statistic is set to ON.
• Troubleshooting Guides: Get the original HDD back.

• Code: 230
• Display: Service Call 230: Error
• Description: RFID Reader not Installed
• Causes: 1) RFID read device error 2) Does the Error take place again?
• Troubleshooting Guides: Check the connection of the RFID R/W board. Replace the RFID R/W board. Replace the S2V board.

• Code: 231
• Display: Service Call 231: Error
• Description: RFID Reader I/F Error
• Causes: An interface error was detected with the RFID reader device. 01: communication error between the RFID reader and the engine PCB. 02: the transceiver circuit error of the RFID reader. 03: communication error between the RFID reader and the Tag chip. 04: the RFID Tag detection error (more than 4 chips).
• Troubleshooting Guides: 01: Same action as for error 230 02: Replace the RFID R/W board. 03: Check the connection of the antenna cable. 04: Check to confirm that the number of RFID tags is correct.

• Code: 240 … 248
• Display: Service Call 240: Error to 245: Error 247: Error 248: Error
• Description: Engine Program Memory Error
• Causes: 240:Flash-memory hardware error 241:Duplex flash-memory error 242:Optional tray-2 flash-memory error 243:Optional tray-3 flash-memory error 244:Optional tray-4 flash-memory error 245:Optional tray-5 flash-memory error 247:Sub-CPU flash-memory error 248:Inverter flash-memory error
• Troubleshooting Guides: If the error still occurs after rebooting, replace the circuit board of the relevant unit.

• Code: 910 … 914
• Display: Power Off/on 910: Error to 914: Error
• Description: GDDC Error
• Causes: 910:Tray1 GDDC Error 911:Tray2 GDDC Error 912:Tray3 GDDC Error 913:Tray4 GDDC Error 914:Tray3 GDDC Error
• Troubleshooting Guides: Check to confirm that the tray is mounted correctly. Replace the geared motor of the tray.

• Code: 917
• Display: Power Off/on 917: Error
• Description: Belt Slit Sensor Error
• Causes: The belt is not running properly. Does the error message still appear after rebooting?
• Troubleshooting Guides: Check to confirm that the belt is mounted correctly. Replace the belt.

• Code: 918
• Display: Power Off/on 918: Error
• Description: Duplex FAN0 Alarm Detection
• Causes: Error of the fan in the duplex unit Does the error still occur after rebooting?
• Troubleshooting Guides: Check to confirm that the duplex unit is mounted correctly. Check the connection of the fan. Replace the fan.

• Code: 919
• Display: Power Off/on 919: Error
• Description: Duplex 24V Abnormal Current Detection
• Causes: 24 V of power is not supplied to the duplex unit properly. Does the error still occur after rebooting?
• Troubleshooting Guides: Check to confirm that the duplex unit is mounted correctly. Check the connection of the fan. Replace the fan.

• Code: 920
• Display: Power Off/on 920: Error
• Description: Yellow Image Drum Lock Error
• Causes: The Y ID unit is not operating properly. Does the error message still appear after rebooting?
• Troubleshooting Guides: Check to confirm that the Y ID unit is in position. Replace the Y ID unit. Replace the Y ID motor.

• Code: 921
• Display: Power Off/on 921: Error
• Description: Magenta Image Drum Lock Error
• Causes: The M ID unit is not operating properly. Does the error message still appear after rebooting?
• Troubleshooting Guides: Check to confirm that the M ID unit is in position. Replace the M ID unit. Replace the M ID motor.

• Code: 922
• Display: Power Off/on 922: Error
• Description: Cyan Image Drum Lock Error
• Causes: The C ID unit is not operating properly. Does the error message still appear after rebooting?
• Troubleshooting Guides: Check to confirm that the C ID unit is in position. Replace the C ID unit. Replace the C ID motor.

• Code: 923
• Display: Power Off/on 923: Error
• Description: Black Image Drum Lock Error
• Causes: The K ID unit is not operating properly. Does the error message still appear after rebooting?
• Troubleshooting Guides: Check to confirm that the K ID unit is in position. Replace the K ID unit. Replace the K ID motor.

• Code: 924
• Display: Power Off/on 924: Error
• Description: Tray2 24V Abnormal Voltage Detection
• Causes: 24 V of power is not supplied to tray 2 properly.
• Troubleshooting Guides: Check to confirm that tray 2 is mounted correctly.

• Code: 925
• Display: Power Off/on 925: Error
• Description: Tray3 24V Abnormal Voltage Detection
• Causes: 24 V of power is not supplied to tray 3 properly.
• Troubleshooting Guides: Check to confirm that tray 3 is mounted correctly.

• Code: 926
• Display: Power Off/on 926: Error
• Description: Tray4 24V Abnormal Voltage Detection
• Causes: 24 V power is not supplied to tray 4 properly.
• Troubleshooting Guides: Check to confirm that tray 4 is mounted correctly.

• Code: 927
• Display: Power Off/on 927: Error
• Description: Tray5 24V Abnormal Voltage Detection
• Causes: 24 V of power is not supplied to tray 5 properly.
• Troubleshooting Guides: Check to confirm that tray 5 is mounted correctly.

• Code: 928
• Display: Power Off/on 928: Error
• Description: Fuser Motor Lock Error
• Causes: The fuser is not operating properly. Does the error still occur?
• Troubleshooting Guides: Check to confirm that the fuser is in position. Replace the fuser. Replace the fuser motor.

• Code: 928
• Display: Power Off/on 929: Error
• Description: Waste Toner Transfer Motor Lock Error
• Causes: The waste toner transfer motor is not operating properly. Does the error still occur?
• Troubleshooting Guides: Check to confirm that the waste toner transfer system is operating properly. Replace the waste toner motor.

• Code: 930
• Display: Power Off/on 930: Error
• Description: Sub-CPU Clock Frequency Error
• Causes: The Sub-CPU clock frequency is not correct. Does the error still occur?
• Troubleshooting Guides: Check the connection of the S2P board. Replace the S2P board.

• Code: 931
• Display: Power Off/on 931: Error
• Description: Duplex CPU Clock Frequency Error
• Causes: The duplex CPU clock frequency is not correct.Does the error still occur?
• Troubleshooting Guides: Check the connection of the V72-2 board. Replace the V72-2 board.

• Code: 932
• Display: 932: Error
• Description: Inverter CPU Clock Frequency Error
• Causes: The inverter CPU clock frequency is not correct. Does the error still occur?
• Troubleshooting Guides: Check the connection of the V72-3 board. Replace the V72-3 board.

• Code: 933
• Display: Power Off/on 933: Error
• Description: Trya2 CPU Clock Frequency Error
• Causes: The tray-2 CPU clock frequency is not correct. Does the error still occur?
• Troubleshooting Guides: Check the connection of the V72-1 board of tray 2. Replace the V72-1 board.

• Code: 934
• Display: Power Off/on 934: Error
• Description: Trya3 CPU Clock Frequency Error
• Causes: The tray-3 CPU clock frequency is not correct. Does the error still occur?
• Troubleshooting Guides: Check the connection of the V72-1 board of tray 3. Replace the V72-1 board.

• Code: 935
• Display: Power Off/on 935: Error
• Description: Trya4 CPU Clock Frequency Error
• Causes: The tray-4 CPU clock frequency is not correct. Does the error still occur?
• Troubleshooting Guides: Check the connection of the V72-1 board of tray 4. Replace the V72-1 board.

• Code: 936
• Display: Power Off/on 936: Error
• Description: Trya5 CPU Clock Frequency Error
• Causes: The tray-5 CPU clock frequency is not correct. Does the error still occur?
• Troubleshooting Guides: Check the connection of the V72-1 board of tray 5. Replace the V72-1 board.

• Code: 940
• Display: Power Off/on 940: Error
• Description: Waste Toner Transfer Error
• Causes: The transfer mechanism of the toner duct for ID is not operating properly. Does the error still occur?
• Troubleshooting Guides: Check to confirm that the basket assembly is in position (if it is engaged with the gear of the printer). Check to confirm that the holder magnet D contains a magnet, and check the magnetic polarity. Replace the HAL IC circuit board. Replace the duct assembly toner.

• Code: FOC, FOD, FFE, FFF
• Display: Service Call 203: Error 204: Error 207: Error to 214: Error Power Off/on nnn: p 0xFOC: Error 0xFOD: Error 0xFFE: Error 0xFFF: Error
• Description: CU Program Dysfunction
• Causes: Detected illegal process with CU program
• Troubleshooting Guides: Write down the 24 digit number displayed on the LCD panel and report it. Turn OFF the power. Then check the insertion of the CU board. Now turn ON the power again.

– 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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