OKI MPS420b Error Codes list and solutions
– Compatible Printer model: OKI MPS420b
– OKI MPS420b Error Code description:
- Code: 001
- Description: Machine Check Exception
- Troubleshooting Guides:
- Code: 002
- Description: DSI Exception (Data read failure)
- Troubleshooting Guides:
- Code: 003
- Description: ISI Exception (Instruction read failure)
- Troubleshooting Guides:
- Code: 004
- Description: Alignment Exception (Memory access error)
- Troubleshooting Guides:
- Code: 005
- Description: Program Exception (Illegal instruction, trap instruction, privilege violation, and so on)
- Troubleshooting Guides:
- Code: 006
- Description: Floating-point Unavailable Exception
- Troubleshooting Guides:
- Code: 007
- Description: Instruction Address Breakpoint Exception (for debugging mode only)
- Troubleshooting Guides:
- Code: 020
- Description: CU ROM Hash Check Error (resident or ROM slot 1)
- Troubleshooting Guides:
- Code: 023
- Description: CU Font ROM Hash Check Error (resident) <Reserved>
- Troubleshooting Guides:
- Code: 024
- Description: CU Font ROM Hash Check Error (ROM slot 1)
- Troubleshooting Guides:
- Code: 030
- Description: CU RAM Check Error (resident)
- Troubleshooting Guides:
- Code: 031
- Description: CU RAM Check Error (resident)
- Troubleshooting Guides:
Solve OKI MPS420b Error codes
- Code: 034
- Description: RAM Configuration Error
- Troubleshooting Guides:
- Code: 040
- Description: CU EEPROM Error
- Troubleshooting Guides:
- Code: 041
- Description: CU Flash Memory Error
- Troubleshooting Guides:
- Code: 042
- Description: Flash File System Error
- Troubleshooting Guides:
- Code: 043
- Description: Flash File System Version Mismatch
- Troubleshooting Guides:
- Code: 049
- Description: CU Engine Type Mismatch
- Troubleshooting Guides:
- Code: 063
- Description: PCI Driver Open error <Reserved>
- Troubleshooting Guides:
- Code: 070
- Description: PostScript Internal Error
- Troubleshooting Guides:
- Code: 072
- Description: Engine Communication Error
- Troubleshooting Guides:
- Code: 073
- Description: H/W Overrun detect
- Troubleshooting Guides:
- Code: 074
- Description: F/W Overrun detect
- Troubleshooting Guides:
- Code: 075
- Description: Video Interface Error
- Troubleshooting Guides:
- Code: 081
- Description: Parameter Consistency Check Error
- Troubleshooting Guides:
- Code: 0xF0C
- Description: System Call Exception
- Troubleshooting Guides:
- Code: 0xF0D
- Description: Trace Exception
- Troubleshooting Guides:
- Code: 0xFFF
- Description: Bus Controller ROM Write Protection
- Troubleshooting Guides:
- Code: 104
- Description: Engine EEPROM Error
- Troubleshooting Guides:
- Code: 106
- Description: Engine Control Error
- Troubleshooting Guides:
- Code: 112
- Description: Illegal Tray2 Unit
- Troubleshooting Guides:
- Code: 120
- Description: PU Board Fan Motor Error
- Troubleshooting Guides: Is the exhaust fan rotating? • Yes Replace the main board. • No Is the fan connector of the high-voltage power supply unit connected to the board properly? •No Connect the fan connector appropriately. • Yes Replace the exhaust fan or main board.
- Code: 121
- Description: Power Supply LSI Error
- Troubleshooting Guides:
- Code: 122
- Description: Power Supply Fan Motor Error
- Troubleshooting Guides:
- Code: 123
- Description: Humidity Sensor
- Troubleshooting Guides:
- Code: 124
- Description: Temperature Sensor
- Troubleshooting Guides:
- Code: 126
- Description: Sensor Dewed Error
- Troubleshooting Guides:
- Code: 127
- Description: Fuser Unit Fan Error
- Troubleshooting Guides: Is the duct fan rotating? • Yes Replace the main board. • No Is the fan connector of the main board connected to the board properly? •No Connect the fan connector appropriately. • Yes Replace the duct fan or main board.
- Code: 128
- Description: Engine Fan Motor Error
- Troubleshooting Guides: Is the power supply unit fan rotating? • Yes Replace the main board. • No Is the fan connector of the main board connected to the board properly? •No Connect the fan connector appropriately. • Yes Replace the power supply unit fan or main board.
- Code: 134
- Description: Black LED Head Missing
- Troubleshooting Guides:
- Code: 153
- Description: Black Image Drum Fuse Cut Error
- Troubleshooting Guides:
- Code: 163
- Description: Black Toner Sensor Error
- Troubleshooting Guides:
- Code: 170
- Description: Upper Thermistor Circuit Shortened
- Troubleshooting Guides: IIs the thermistor connector inserted into the THERM connector of the main board normally? • No Insert the Thermistor connector correctly. • Yes Is the heater connector normally inserted in the CN201 connector of the low-voltage power. • No Insert the heater connector appropriately. • Yes Is the heater ON when turning on the power? • No Replace the fuser unit Assy, low-voltage power or main board. • Yes Replace the fuser unti Assy or the main board.
- Code: 171
- Description: Upper Thermistor Circuit Opened
- Troubleshooting Guides: IIs the thermistor connector inserted into the THERM connector of the main board normally? • No Insert the Thermistor connector correctly. • Yes Is the heater connector normally inserted in the CN201 connector of the low-voltage power. • No Insert the heater connector appropriately. • Yes Is the heater ON when turning on the power? • No Replace the fuser unit Assy, low-voltage power or main board. • Yes Replace the fuser unti Assy or the main board.
- Code: 172
- Description: Upper Heater High Temperature
- Troubleshooting Guides: IIs the thermistor connector inserted into the THERM connector of the main board normally? • No Insert the Thermistor connector correctly. • Yes Is the heater connector normally inserted in the CN201 connector of the low-voltage power. • No Insert the heater connector appropriately. • Yes Is the heater ON when turning on the power? • No Replace the fuser unit Assy, low-voltage power or main board. • Yes Replace the fuser unti Assy or the main board.
- Code: 173
- Description: Upper Heater Low Temperature Fuser unit humidity error. Turn off the power and wait a moment. And then, turn on the power.
- Troubleshooting Guides: IIs the thermistor connector inserted into the THERM connector of the main board normally? • No Insert the Thermistor connector correctly. • Yes Is the heater connector normally inserted in the CN201 connector of the low-voltage power. • No Insert the heater connector appropriately. • Yes Is the heater ON when turning on the power? • No Replace the fuser unit Assy, low-voltage power or main board. • Yes Replace the fuser unti Assy or the main board.
- Code: 182
- Description: Tray2 Unit I/F Error Reinstall the second tray unit of the options.
- Troubleshooting Guides: Is the Second Tray unit used? • Yes Is the printer main body appropriately set on the Second Tray unit? • No Set the printer main body appropriately. • Yes Replace the main board. • Has the trouble been solved? • No Check the trouble according to the maintenance manual of the Second Tray unit of the appendix C. • Yes Completed. • No Replace the main board.
- Code: 190
- Description: System Memory Overflow
- Troubleshooting Guides:
- Code: 203
- Description: EnginePageSequencer IMGACK Error
- Troubleshooting Guides:
- Code: 204
- Description: EnginePageSequencer IMGSET Error
- Troubleshooting Guides:
- Code: 207
- Description: EnginePageSequencer illegal Function Call
- Troubleshooting Guides:
- Code: 208
- Description: EnginePageSequencer Parameter Error
- Troubleshooting Guides:
- Code: 209
- Description: Media Table Download Failure
- Troubleshooting Guides:
- Code: 213
- Description: EngineControl Print Sequence Error <Reserved>
- Troubleshooting Guides:
- Code: 230
- Description: TONER Reader not installed
- Troubleshooting Guides:
- Code: 231
- Description: TONER Reader I/F Error
- Troubleshooting Guides:
- Code: 923
- Description: Black Image Drum Lock Error
- Troubleshooting Guides:
- Code: 928
- Description: Fuser Motor Lock Error
- Troubleshooting Guides:
- Code: 982
- Description: Excessive Optional Tray Detected
- Troubleshooting Guides:
– 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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