Brother HL-L8250CDN fix error codes list

– Compatible Printer model: Brother HL-L8250CDN
– Brother HL-L8250CDN Error Codes with instructions guide:

Code: 0100
Display: Print Unable 01 Turn the power off and then back on again.
Description: ASIC error or motor driver error occurred.
Remedy: 1 Main PCB failure Replace the main PCB ASSY.

Code: 0201
Display: Print Unable 02 Turn the power off and then back on again.
Description: Synchronization signal from the main motor cannot be detected. Or the main motor speed is unstable after a set period of time.
Remedy: 1 Connection failure of the main motor harness Reconnect the main motor harness. 2 Connection failure of the low-voltage power supply PCB harness Reconnect the low-voltage power supply PCB harness. 3 Part in the process drive unit damaged Replace the process drive unit. 4 Fuser unit damaged Replace the fuser unit. 5 Low-voltage power supply PCB failure Replace the low-voltage power supply PCB unit. 6 Main PCB failure Replace the main PCB ASSY.

Code: 0202
Display: Print Unable 02 Turn the power off and then back on again.
Description: Synchronization signal from the process motor cannot be detected. Or the process motor speed is unstable after a set period of time.
Remedy: 1 Connection failure of the process motor harness Reconnect the process motor harness. 2 Connection failure of the low-voltage power supply PCB harness Reconnect the low-voltage power supply PCB harness. 3 Part in the process drive unit damaged Replace the process drive unit. 4 Low-voltage power supply PCB failure Replace the low-voltage power supply PCB unit. 5 Main PCB failure Replace the main PCB ASSY.

Code: 020F
Display: Print Unable 02 Turn the power off and then back on again.
Description: The main motor other than the official specifications is used.
Remedy: 1 Incorrect specifications of the main motor Replace the process drive unit with a correct one. 2 Main PCB failure Replace the main PCB ASSY.

Code: 0300
Display: Print Unable 03 Turn the power off and then back on again.
Description: The Lock signal of the polygon motor of the laser unit cannot be detected.
Remedy: 1 Connection failure of the polygon motor harness Reconnect the polygon motor harness. 2 Laser unit failure Replace the laser unit. 3 Main PCB failure Replace the main PCB ASSY.

Code: 0401
Display: Print Unable 04 Turn the power off and then back on again.
Description: BD sensor 1 damaged.
Remedy: 1 Connection failure of the polygon motor harness Reconnect the polygon motor harness. 2 Laser unit failure Replace the laser unit. 3 Main PCB failure Replace the main PCB ASSY.

Code: 0402
Display: Print Unable 04 Turn the power off and then back on again.
Description: BD sensor 4 damaged.
Remedy: 1 Connection failure of the polygon motor harness Reconnect the polygon motor harness. 2 Laser unit failure Replace the laser unit. 3 Main PCB failure Replace the main PCB ASSY.

Code: 0501
Display: Print Unable 05 Turn the power off and then back on again.
Description: The center thermistor of the fuser unit does not reach the specified temperature within the specified time.
Remedy: < User Check > – Turn OFF the power switch. After several seconds, turn ON the power again and check that this error is reset.
1 Connection failure of the center or side thermistor harness of the fuser unit Reconnect the harness of the center thermistor or side thermistor of the fuser unit. 2 Connection failure of the heater harness of the fuser unit Reconnect the heater harness of the fuser unit. 3 Connection failure of the eject sensor PCB harness Reconnect the eject sensor PCB harness. 4 Connection failure of the low-voltage power supply PCB harness Reconnect the low-voltage power supply PCB harness. 5 Eject sensor PCB failure Replace the eject sensor PCB ASSY. 6 Fuser unit failure Replace the fuser unit. 7 Low-voltage power supply PCB failure Replace the low-voltage power supply PCB unit. 8 Main PCB failure Replace the main PCB ASSY.

Code: 0502
Display: Print Unable 05 Turn the power off and then back on again.
Description: After the temperature of the fuser unit rises to a certain level, the temperature of the center thermistor does not reach the specified temperature within the specified period of time in the next step.
Remedy: < User Check > – Turn OFF the power switch. After several seconds, turn ON the power again and check that this error is reset.
1 Connection failure of the center or side thermistor harness of the fuser unit Reconnect the harness of the center thermistor or side thermistor of the fuser unit. 2 Connection failure of the heater harness of the fuser unit Reconnect the heater harness of the fuser unit. 3 Connection failure of the eject sensor PCB harness Reconnect the eject sensor PCB harness. 4 Connection failure of the low-voltage power supply PCB harness Reconnect the low-voltage power supply PCB harness. 5 Eject sensor PCB failure Replace the eject sensor PCB ASSY. 6 Fuser unit failure Replace the fuser unit. 7 Low-voltage power supply PCB failure Replace the low-voltage power supply PCB unit. 8 Main PCB failure Replace the main PCB ASSY.

Code: 0503
Display: Print Unable 05 Turn the power off and then back on again.
Description: The center thermistor of the fuser unit detected a temperature higher than the specified value.
Remedy: < User Check > – Turn OFF the power switch. After several seconds, turn ON the power again and check that this error is reset.
1 Connection failure of the center or side thermistor harness of the fuser unit Reconnect the harness of the center thermistor or side thermistor of the fuser unit. 2 Connection failure of the heater harness of the fuser unit Reconnect the heater harness of the fuser unit. 3 Connection failure of the eject sensor PCB harness Reconnect the eject sensor PCB harness. 4 Connection failure of the low-voltage power supply PCB harness Reconnect the low-voltage power supply PCB harness. 5 Eject sensor PCB failure Replace the eject sensor PCB ASSY. 6 Fuser unit failure Replace the fuser unit. 7 Low-voltage power supply PCB failure Replace the low-voltage power supply PCB unit. 8 Main PCB failure Replace the main PCB ASSY.

Code: 0504
Display: Print Unable 05 Turn the power off and then back on again.
Description: After the center thermistor of the fuser unit was normally heated, it detected a temperature lower than the specified value.
Remedy: < User Check > – Turn OFF the power switch. After several seconds, turn ON the power again and check that this error is reset.
1 Connection failure of the center or side thermistor harness of the fuser unit Reconnect the harness of the center thermistor or side thermistor of the fuser unit. 2 Connection failure of the heater harness of the fuser unit Reconnect the heater harness of the fuser unit. 3 Connection failure of the eject sensor PCB harness Reconnect the eject sensor PCB harness. 4 Connection failure of the low-voltage power supply PCB harness Reconnect the low-voltage power supply PCB harness. 5 Eject sensor PCB failure Replace the eject sensor PCB ASSY. 6 Fuser unit failure Replace the fuser unit. 7 Low-voltage power supply PCB failure Replace the low-voltage power supply PCB unit. 8 Main PCB failure Replace the main PCB ASSY.

Code: 0505
Display: Print Unable 05 Turn the power off and then back on again.
Description: The center thermistor of the fuser unit detected a temperature rise greater than the specified value within a set period of time.
Remedy: < User Check > – Turn OFF the power switch. After several seconds, turn ON the power again and check that this error is reset.
1 Connection failure of the center or side thermistor harness of the fuser unit Reconnect the harness of the center thermistor or side thermistor of the fuser unit. 2 Connection failure of the heater harness of the fuser unit Reconnect the heater harness of the fuser unit. 3 Connection failure of the eject sensor PCB harness Reconnect the eject sensor PCB harness. 4 Connection failure of the low-voltage power supply PCB harness Reconnect the low-voltage power supply PCB harness. 5 Eject sensor PCB failure Replace the eject sensor PCB ASSY. 6 Fuser unit failure Replace the fuser unit. 7 Low-voltage power supply PCB failure Replace the low-voltage power supply PCB unit. 8 Main PCB failure Replace the main PCB ASSY.

Code: 0506
Display: Print Unable 05 Turn the power off and then back on again.
Description: The center thermistor of the fuser unit detected a temperature fall greater than the specified value within a set period of time.
Remedy: < User Check > – Turn OFF the power switch. After several seconds, turn ON the power again and check that this error is reset.
1 Connection failure of the center or side thermistor harness of the fuser unit Reconnect the harness of the center thermistor or side thermistor of the fuser unit. 2 Connection failure of the heater harness of the fuser unit Reconnect the heater harness of the fuser unit. 3 Connection failure of the eject sensor PCB harness Reconnect the eject sensor PCB harness. 4 Connection failure of the low-voltage power supply PCB harness Reconnect the low-voltage power supply PCB harness. 5 Eject sensor PCB failure Replace the eject sensor PCB ASSY. 6 Fuser unit failure Replace the fuser unit. 7 Low-voltage power supply PCB failure Replace the low-voltage power supply PCB unit. 8 Main PCB failure Replace the main PCB ASSY.

Code: 050A
Display: Print Unable 05 Turn the power off and then back on again.
Description: The center thermistor or side thermistor of the fuser unit detected some temperature error in the hardware.
Remedy: < User Check > – Turn OFF the power switch. After several seconds, turn ON the power again and check that this error is reset.
1 Connection failure of the center or side thermistor harness of the fuser unit Reconnect the harness of the center thermistor or side thermistor of the fuser unit. 2 Connection failure of the heater harness of the fuser unit Reconnect the heater harness of the fuser unit. 3 Connection failure of the eject sensor PCB harness Reconnect the eject sensor PCB harness. 4 Connection failure of the low-voltage power supply PCB harness Reconnect the low-voltage power supply PCB harness. 5 Eject sensor PCB failure Replace the eject sensor PCB ASSY. 6 Fuser unit failure Replace the fuser unit. 7 Low-voltage power supply PCB failure Replace the low-voltage power supply PCB unit. 8 Main PCB failure Replace the main PCB ASSY.

Code: 050B
Display: Print Unable 05 Turn the power off and then back on again.
Description: When the temperature of the center thermistor of the fuser unit is lower than the idle temperature, the side thermistor of the fuser unit detected a temperature higher than the specified value.
Remedy: < User Check > – Turn OFF the power switch. After several seconds, turn ON the power again and check that this error is reset.
1 Connection failure of the center or side thermistor harness of the fuser unit Reconnect the harness of the center thermistor or side thermistor of the fuser unit. 2 Connection failure of the heater harness of the fuser unit Reconnect the heater harness of the fuser unit. 3 Connection failure of the eject sensor PCB harness Reconnect the eject sensor PCB harness. 4 Connection failure of the low-voltage power supply PCB harness Reconnect the low-voltage power supply PCB harness. 5 Eject sensor PCB failure Replace the eject sensor PCB ASSY. 6 Fuser unit failure Replace the fuser unit. 7 Low-voltage power supply PCB failure Replace the low-voltage power supply PCB unit. 8 Main PCB failure Replace the main PCB ASSY.

Code: 050C
Display: Print Unable 05 Turn the power off and then back on again.
Description: When the temperature of the center thermistor of the fuser unit is higher than the idle temperature, the side thermistor of the fuser unit detected a temperature lower than the specified value.
Remedy: < User Check > – Turn OFF the power switch. After several seconds, turn ON the power again and check that this error is reset.
1 Connection failure of the center or side thermistor harness of the fuser unit Reconnect the harness of the center thermistor or side thermistor of the fuser unit. 2 Connection failure of the heater harness of the fuser unit Reconnect the heater harness of the fuser unit. 3 Connection failure of the eject sensor PCB harness Reconnect the eject sensor PCB harness. 4 Connection failure of the low-voltage power supply PCB harness Reconnect the low-voltage power supply PCB harness. 5 Eject sensor PCB failure Replace the eject sensor PCB ASSY. 6 Fuser unit failure Replace the fuser unit. 7 Low-voltage power supply PCB failure Replace the low-voltage power supply PCB unit. 8 Main PCB failure Replace the main PCB ASSY.

Code: 0800
Display: Print Unable 08 Turn the power off and then back on again.
Description: Error occurred in the internal temperature sensor.
Remedy: 1 Connection failure of the internal temperature sensor harness Reconnect the internal temperature sensor harness. 2 Main PCB failure Replace the main PCB ASSY.

Code: 0900
Display: Print Unable 09 Turn the power off and then back on again.
Description: Machine detected more than 100 times that supplied power was unstable.
Remedy: < User Check > – Turn OFF the power switch. After several seconds, turn ON the power again and check that this error is reset.
1 Low-voltage power supply PCB failure Replace the low-voltage power supply PCB unit. After replacing the low-voltage power supply PCB unit, and reset the irregular power supply detection counter of the low-voltage power supply PCB unit. 2 Main PCB failure Replace the main PCB ASSY.
Note: The irregular power supply detection error (Error code 0900) of the low-voltage power supply PCB unit occurs when there is a large distortion in the power supply voltage supplied to the machine. In this case, if the same power supply is used, the same error might occur again even if the low-voltage power supply PCB unit is replaced. For this reason, be sure to ask the user to rearrange the installation environment.

Code: 0A01
Display: Print Unable 0A Turn the power off and then back on again.
Description: The blower failure was detected.
Remedy: 1 Connection failure of the blower harness Reconnect the blower harness. 2 Connection failure of the high-voltage power supply PCB harness Reconnect the high-voltage power supply PCB harness. 3 Blower failure Replace the blower. 4 Low-voltage power supply PCB failure Replace the low-voltage power supply PCB unit. 5 High-voltage power supply PCB failure Replace the high-voltage power supply PCB ASSY. 6 Main PCB failure Replace the main PCB ASSY.

Code: 0A02
Display: Print Unable 0A Turn the power off and then back on again.
Description: The fuser fan failure was detected.
Remedy: 1 Connection failure of the fuser fan harness Reconnect the fuser fan harness. 2 Connection failure of the high-voltage power supply PCB harness Reconnect the high-voltage power supply PCB harness. 3 Fuser fan failure Replace the fuser fan. 4 Low-voltage power supply PCB failure Replace the low-voltage power supply PCB unit. 5 High-voltage power supply PCB failure Replace the high-voltage power supply PCB ASSY. 6 Main PCB failure Replace the main PCB ASSY.

Code: 0B01
Display: Print Unable 0B Turn the power off and then back on again.
Description: Error occurred in the high-voltage power supply PCB ASSY while the machine is in operation.
Remedy: < User Check > – Replace the drum unit.
1 Connection failure of the high-voltage power supply PCB harness Reconnect the high-voltage power supply PCB harness. 2 High-voltage power supply PCB failure Replace the high-voltage power supply PCB ASSY. 3 Main PCB failure Replace the main PCB ASSY.

Code: 0B02
Display: Print Unable 0B Turn the power off and then back on again.
Description: Error occurred in the high-voltage power supply PCB ASSY in the ready state.
Remedy: < User Check > – Replace the drum unit.
1 Connection failure of the high-voltage power supply PCB harness Reconnect the high-voltage power supply PCB harness. 2 High-voltage power supply PCB failure Replace the high-voltage power supply PCB ASSY. 3 Main PCB failure Replace the main PCB ASSY.

Code: 0C00
Display: Print Unable 0C Turn the power off and then back on again.
Description: Error occurred in the density sensor.
Remedy: 1 Connection failure of the registration mark sensor L PCB harness Reconnect the registration mark sensor L PCB harness. 2 Registration mark sensor L PCB failure Replace the registration mark sensor unit. 3 Main PCB failure Replace the main PCB ASSY.

Code: 0E00
Display: Print Unable 0E Turn the power off and then back on again.
Description: Communication error occurred in the high-voltage power supply PCB ASSY.
Remedy: 1 Connection failure of the high-voltage power supply PCB harness Reconnect the high-voltage power supply PCB harness. 2 High-voltage power supply PCB failure Replace the high-voltage power supply PCB ASSY. 3 Main PCB failure Replace the main PCB ASSY.

Code: 1003
Display: Print Unable 10 Turn the power off and then back on again.
Description: The registration mark sensor R is dirty and cannot normally receive reflected light.
Remedy: < User Check > – Clean the dirt on the belt unit or replace the belt unit. – Replace the waste toner box.
1 Dirt on the registration mark sensor R Clean the registration mark sensor R of the registration mark sensor R PCB. 2 Dirt by toner inside the machine Clean inside of the machine. 3 Registration mark sensor R PCB failure Replace the registration mark sensor unit. 4 Main PCB failure Replace the main PCB ASSY.

Code: 1004
Display: Print Unable 10 Turn the power off and then back on again.
Description: The registration mark sensor L is dirty and cannot normally receive reflected light.
Remedy: < User Check > – Clean the dirt on the belt unit or replace the belt unit. – Replace the waste toner box.
1 Dirt on the registration mark sensor L Clean the registration mark sensor L of the registration mark sensor L PCB. 2 Dirt by toner inside the machine Clean inside of the machine. 3 Registration mark sensor L PCB failure Replace the registration mark sensor unit. 4 Main PCB failure Replace the main PCB ASSY.

Code: 1400
Display: Condensation Turn the power switch off and open the Front Cover. Wait 30 minutes, and then turn it on again.
Description: Condensation occurred in the machine.
Remedy: < User Check > – Open the front and back covers and leave them for 30 minutes or more with the power ON. After that, close the front and back covers and turn OFF and ON the power switch.
1 Main PCB failure Replace the main PCB ASSY. 2 Laser unit failure Replace the laser unit.

Code: 1500
Display: Print Unable 15 Turn the power off and then back on again.
Description: Error occurred in the paper eject origin sensor.
Remedy: 1 Connection failure of the paper eject origin sensor harness Reconnect the paper eject origin sensor harness. 2 Paper eject origin sensor failure Replace the paper eject origin sensor. 3 Paper eject ASSY failure Replace the paper eject ASSY.

Code: 1C00
Display: Print Unable 1C Turn the power off and then back on again.
Description: The reading signal of the EEPROM of the laser unit cannot be detected.
Remedy: 1 Connection failure of the laser unit flat cable Reconnect the laser unit flat cable. 2 Laser unit failure Replace the laser unit. 3 Main PCB failure Replace the main PCB ASSY.

Code: 3801
Display: Print Unable 38 Turn the power off and then back on again.
Description: Temperature error occurred in the external temperature/humidity sensor.
Remedy: 1 Connection failure of the high-voltage power supply PCB harness Reconnect the high-voltage power supply PCB harness. 2 External temperature/humidity sensor failure Replace the high-voltage power supply PCB ASSY. 3 Main PCB failure Replace the main PCB ASSY.

Code: 3802
Display: Print Unable 38 Turn the power off and then back on again.
Description: Humidity error occurred in the external temperature/humidity sensor.
Remedy: 1 Connection failure of the high-voltage power supply PCB harness Reconnect the high-voltage power supply PCB harness. 2 External temperature/humidity sensor failure Replace the high-voltage power supply PCB ASSY. 3 Main PCB failure Replace the main PCB ASSY.

Code: 3A00
Display: Print Unable 3A Turn the power off and then back on again.
Description: Error occurred in the communication between the controller in the main PCB and engine.
Remedy: 1 Main PCB failure Replace the main PCB ASSY.

Code: 4000
Display: Drum End Soon
Description: Number of the drum unit rotations reaches the upper limit soon.
Remedy: < User Check > – Prepare a new drum unit.
1 Main PCB failure if the error code remains after replacing with a new drum unit and resetting the drum counter Replace the main PCB ASSY.

Code: 4200
Display: Replace Drum
Description: Number of the drum unit rotations has reached the upper limit. (Printing is not stopped.)
Remedy: < User Check > – Prepare a new drum unit.
1 Main PCB failure if the error code remains after replacing with a new drum unit and resetting the drum counter Replace the main PCB ASSY.

Code: 4300
Display: Belt End Soon
Description: Number of pages printed with the belt unit will reach the upper limit soon. (90%)
Remedy: < User Check > – Prepare a new belt unit.
1 Main PCB failure if the error code remains after replacing with a new belt unit and resetting the belt counter Replace the main PCB ASSY.

Code: 4400
Display: Replace Belt
Description: Number of pages printed with the belt unit has reached the upper limit. (Printing is not stopped.)
Remedy: < User Check > – Prepare a new belt unit.
1 Main PCB failure if the error code remains after replacing with a new belt unit and resetting the belt counter Replace the main PCB ASSY.

Code: 4500
Display: Replace Fuser
Description: Number of used pages for the fuser unit has reached the upper limit. (Printing is not stopped.)
Remedy: 1 The fuser unit is at the end of life Replace the fuser unit. After replacing the fuser unit, refer to “Reset counters for parts (Function code 88)”, and reset the fuser unit counter. 2 Main PCB failure if the error code remains after replacing with a new fuser unit and resetting the fuser unit counter Replace the main PCB ASSY.

Code: 4600
Display: Replace Laser
Description: Number of pages printed with the laser unit has reached the upper limit.
Remedy: 1 The laser unit is at the end of life Replace the laser unit. After replacing the laser unit, refer to “Reset counters for parts (Function code 88)”, and reset the laser unit counter. 2 Main PCB failure if the error code remains after replacing with a new laser unit and resetting the laser unit counter Replace the main PCB ASSY.

Code: 4700
Display: WT Box End Soon
Description: The waste toner sensor detected that the waste toner box is almost full.
Remedy: < User Check > – Replace the waste toner box.
1 High-voltage power supply PCB failure Replace the high-voltage power supply PCB ASSY. 2 Main PCB failure Replace the main PCB ASSY.

Code: 4800
Display: Replace WT Box Replace the Waste Toner Box inside the machine.
Description: After the waste toner sensor detected that the waste toner box was almost full, pages more than the specified number have been printed.
Remedy: < User Check > – Replace the waste toner box.
1 High-voltage power supply PCB failure Replace the high-voltage power supply PCB ASSY. 2 Main PCB failure Replace the main PCB ASSY.

Code: 4B01
Display: Toner Low:BK
Description: Dot counter of the toner cartridge (Black) or develop roller counter reaches the upper limit soon.
Remedy: < User Check > – Prepare a new toner cartridge.
1 New toner actuator coming off Re-assemble the new toner actuator. 2 Connection failure of the new toner sensor PCB harness Reconnect the toner/new sensor PCB harness. 3 Main PCB failure Replace the main PCB ASSY.

Code: 4B02
Display: Toner Low:Y
Description: Dot counter of the toner cartridge (Yellow) or develop roller counter reaches the upper limit soon.
Remedy: < User Check > – Prepare a new toner cartridge.
1 New toner actuator coming off Re-assemble the new toner actuator. 2 Connection failure of the new toner sensor PCB harness Reconnect the toner/new sensor PCB harness. 3 Main PCB failure Replace the main PCB ASSY.

Code: 4B03
Display: Toner Low:M
Description: Dot counter of the toner cartridge (Magenta) or develop roller counter reaches the upper limit soon.
Remedy: < User Check > – Prepare a new toner cartridge.
1 New toner actuator coming off Re-assemble the new toner actuator. 2 Connection failure of the new toner sensor PCB harness Reconnect the toner/new sensor PCB harness. 3 Main PCB failure Replace the main PCB ASSY.

Code: 4B04
Display: Toner Low:C
Description: Dot counter of the toner cartridge (Cyan) or develop roller counter reaches the upper limit soon.
Remedy: < User Check > – Prepare a new toner cartridge.
1 New toner actuator coming off Re-assemble the new toner actuator. 2 Connection failure of the new toner sensor PCB harness Reconnect the toner/new sensor PCB harness. 3 Main PCB failure Replace the main PCB ASSY.

Code: 4C01
Display: Replace Toner Open the Top Cover, replace Toner Cartridge. Black (BK).
Description: Dot counter of the toner cartridge (Black) or develop roller counter has reached the upper limit was detected.
Remedy: < User Check > – Replace the toner cartridge whose counter reached the upper limit.
1 Main PCB failure if the error code remains after replacing with a new toner cartridge and resetting the toner counter Replace the main PCB ASSY.

Code: 4C02
Display: Replace Toner Open the Top Cover, replace Toner Cartridge. Yellow (Y).
Description: Dot counter of the toner cartridge (Yellow) or develop roller counter has reached the upper limit was detected.
Remedy: < User Check > – Replace the toner cartridge whose counter reached the upper limit.
1 Main PCB failure if the error code remains after replacing with a new toner cartridge and resetting the toner counter Replace the main PCB ASSY.

Code: 4C03
Display: Replace Toner Open the Top Cover, replace Toner Cartridge. Magenta (M).
Description: Dot counter of the toner cartridge (Magenta) or develop roller counter has reached the upper limit was detected.
Remedy: < User Check > – Replace the toner cartridge whose counter reached the upper limit.
1 Main PCB failure if the error code remains after replacing with a new toner cartridge and resetting the toner counter Replace the main PCB ASSY.

Code: 4C04
Display: Replace Toner Open the Top Cover, replace Toner Cartridge. Cyan (C).
Description: Dot counter of the toner cartridge (Cyan) or develop roller counter has reached the upper limit was detected.
Remedy: < User Check > – Replace the toner cartridge whose counter reached the upper limit.
1 Main PCB failure if the error code remains after replacing with a new toner cartridge and resetting the toner counter Replace the main PCB ASSY.

Brother HL-L8250CDN fix error codes list

Solved Brother HL-L8250CDN Error codes

Code: 4C05
Display: Replace Toner Open the Top Cover, replace Toner Cartridge. Cyan (C)/ Magenta (M)/ Yellow (Y).
Description: During printing, dot counter of color toner cartridge or develop roller counter has reached the upper limit was detected.
Remedy: < User Check > – Replace the toner cartridge whose counter reached the upper limit.
1 Main PCB failure if the error code remains after replacing with a new toner cartridge and resetting the toner counter Replace the main PCB ASSY.

Code: 4F01
Display: Cartridge Error Put the Black (BK) Toner Cartridge back in.
Description: The new toner sensor of the toner cartridge (Black) could not detect a new cartridge properly.
Remedy: < User Check > – Replace the toner cartridge with a new toner cartridge again. – If the place where the machine is installed is not flat, relocate the machine to a flat place.
1 Connection failure of the new toner sensor PCB harness Reconnect the toner/new sensor PCB harness. 2 New toner actuator that has come off or that has been caught Re-assemble the new toner actuator. 3 New toner sensor failure Replace the toner/new sensor PCB ASSY. 4 Main PCB failure Replace the main PCB ASSY.

Code: 4F02
Display: Cartridge Error Put the Yellow (Y) Toner Cartridge back in.
Description: The new toner sensor of the toner cartridge (Yellow) could not detect a new cartridge properly.
Remedy: < User Check > – Replace the toner cartridge with a new toner cartridge again. – If the place where the machine is installed is not flat, relocate the machine to a flat place.
1 Connection failure of the new toner sensor PCB harness Reconnect the toner/new sensor PCB harness. 2 New toner actuator that has come off or that has been caught Re-assemble the new toner actuator. 3 New toner sensor failure Replace the toner/new sensor PCB ASSY. 4 Main PCB failure Replace the main PCB ASSY.

Code: 4F03
Display: Cartridge Error Put the Magenta (M) Toner Cartridge back in.
Description: The new toner sensor of the toner cartridge (Magenta) could not detect a new cartridge properly.
Remedy: < User Check > – Replace the toner cartridge with a new toner cartridge again. – If the place where the machine is installed is not flat, relocate the machine to a flat place.
1 Connection failure of the new toner sensor PCB harness Reconnect the toner/new sensor PCB harness. 2 New toner actuator that has come off or that has been caught Re-assemble the new toner actuator. 3 New toner sensor failure Replace the toner/new sensor PCB ASSY. 4 Main PCB failure Replace the main PCB ASSY.

Code: 4F04
Display: Cartridge Error Put the Cyan (C) Toner Cartridge back in.
Description: The new toner sensor of the toner cartridge (Cyan) could not detect a new cartridge properly.
Remedy: < User Check > – Replace the toner cartridge with a new toner cartridge again. – If the place where the machine is installed is not flat, relocate the machine to a flat place.
1 Connection failure of the new toner sensor PCB harness Reconnect the toner/new sensor PCB harness. 2 New toner actuator that has come off or that has been caught Re-assemble the new toner actuator. 3 New toner sensor failure Replace the toner/new sensor PCB ASSY. 4 Main PCB failure Replace the main PCB ASSY.

Code: 5001
Display: Replace PF Kit MP
Description: Number of used pages for the PF kit MP has reached the upper limit. (Printing is not stopped.)
Remedy: 1 The PF kit MP is at the end of life Replace the PF kit MP. After replacing the PF kit MP, refer to “Reset counters for parts (Function code 88)”, and reset the PF kit MP counter. 2 Main PCB failure if the error code remains after resetting the counter of the PF kit MP Replace the main PCB ASSY.

Code: 5002
Display: Replace PF Kit1
Description: Number of used pages for the PF kit 1 has reached the upper limit. (Printing is not stopped.)
Remedy: 1 The PF kit 1 is at the end of life Replace the PF kit 1. After replacing the PF kit 1, refer to “Reset counters for parts (Function code 88)”, and reset the PF kit 1 counter. 2 Main PCB failure if the error code remains after resetting the counter of the PF kit 1 Replace the main PCB ASSY.

Code: 5003
Display: Replace PF Kit2
Description: Number of used pages for the PF kit 2 has reached the upper limit. (Printing is not stopped.)
Remedy: 1 The PF kit 2 is at the end of life Replace the PF kit 2. After replacing the PF kit 2, refer to “Reset counters for parts (Function code 88)”, and reset the PF kit 2 counter. 2 Main PCB failure if the error code remains after resetting the counter of the PF kit 2 Replace the main PCB ASSY.

Code: 5004
Display: Maintenance Replace PF Kit 3.
Description: Number of used pages for the PF kit 3 has reached the upper limit. (Printing is not stopped.)
Remedy: 1 The PF kit 3 is at the end of life Replace the PF kit 3. After replacing the PF kit 3, refer to “Reset counters for parts (Function code 88)”, and reset the PF kit 3 counter. 2 Main PCB failure if the error code remains after resetting the counter of the PF kit 3 Replace the main PCB ASSY.

Code: 6001
Display: Cover is Open Close the Front Cover.
Description: The front cover sensor detected that the front cover was open.
Remedy: < User Check > – Close the front cover.
1 Connection failure of the front cover sensor harness Reconnect the front cover sensor harness. 2 Front cover failure Replace the front cover. 3 Front cover sensor failure Replace the front cover sensor. 4 Main PCB failure Replace the main PCB ASSY.

Code: 6004
Display: Cover is Open Close the Fuser Cover which can be found behind the Back Cover of the machine.
Description: The eject sensor detected that the fuser cover was open.
Remedy: < User Check > – Close the fuser cover.
1 Eject actuator that has come off or that has been caught Re-assemble the eject actuator. 2 Fuser cover installation failure Re-assemble the fuser cover. 3 Connection failure of the eject sensor PCB harness Reconnect the eject sensor PCB harness. 4 Eject sensor PCB failure Replace the eject sensor PCB ASSY. 5 Main PCB failure Replace the main PCB ASSY.

Code: 6101
Display: No Toner Open the Front Cover, then install Toner Cartridge. Black (BK).
Description: The toner sensor detected that no toner cartridge (Black) was set.
Remedy: < User Check > – Re-insert the toner cartridge.
1 Toner sensor failure Replace the toner/new sensor PCB ASSY. 2 Main PCB failure Replace the main PCB ASSY.

Code: 6102
Display: No Toner Open the Front Cover, then install Toner Cartridge. Yellow (Y).
Description: The toner sensor detected that no toner cartridge (Yellow) was set.
Remedy: < User Check > – Re-insert the toner cartridge.
1 Toner sensor failure Replace the toner/new sensor PCB ASSY. 2 Main PCB failure Replace the main PCB ASSY.

Code: 6103
Display: No Toner Open the Front Cover, then install Toner Cartridge. Magenta (M).
Description: The toner sensor detected that no toner cartridge (Magenta) was set.
Remedy: < User Check > – Re-insert the toner cartridge.
1 Toner sensor failure Replace the toner/new sensor PCB ASSY. 2 Main PCB failure Replace the main PCB ASSY.

Code: 6104
Display: No Toner Open the Front Cover, then install Toner Cartridge. Cyan (C).
Description: The toner sensor detected that no toner cartridge (Cyan) was set.
Remedy: < User Check > – Re-insert the toner cartridge.
1 Toner sensor failure Replace the toner/new sensor PCB ASSY. 2 Main PCB failure Replace the main PCB ASSY.

Code: 6200
Display: No Drum Unit Install the Drum Unit.
Description: The current value between the CHG and GRID terminals and the toner sensor detected that there were no toner cartridges of any colors and detected that the drum unit was not set.
Remedy: < User Check > – Re-insert the drum unit.
1 Dirt on the GRID terminals of the main body and drum unit Clean the GRID terminals of the main body and drum unit. 2 Dirt on the terminal of the high-voltage power supply PCB Clean the terminal of the high-voltage power supply PCB. 3 High-voltage power supply PCB failure Replace the high-voltage power supply PCB ASSY. 4 Toner sensor failure Replace the toner/new sensor PCB ASSY. 5 Main PCB failure Replace the main PCB ASSY.

Code: 6300
Display: No Waste Toner Install the Waste Toner Box.
Description: The waste toner sensor detected that no waste toner box was set.
Remedy: < User Check > – Re-insert the waste toner box in the correct position.
1 High-voltage power supply PCB failure Replace the high-voltage power supply PCB ASSY. 2 Main PCB failure Replace the main PCB ASSY.

Code: 6400
Display: No Belt Unit Open the Front Cover, pull out the Drum Unit completely and install the Belt Unit.
Description: The registration mark sensor detected that no belt unit was set.
Remedy: < User Check > – Re-insert the belt unit.
1 Connection failure of the registration mark L PCB harness Reconnect the registration mark sensor L PCB harness. 2 Registration mark L sensor failure Replace the registration mark sensor unit. 3 Main PCB failure Replace the main PCB ASSY.

Code: 6801
Display: Cooling Down Wait for a while
Description: The internal temperature sensor or side thermistor of the fuser unit detected a temperature higher than the specified value.
Remedy: < User Check > – Decrease the room temperature. – Place the machine away from a heater.
1 Connection failure of the internal temperature sensor harness Reconnect the internal temperature sensor harness. 2 Side thermistor of the fuser unit failure Replace the fuser unit. 3 Main PCB failure Replace the main PCB ASSY.

Code: 6901
Display: Self-Diagnostic Turn the power off, then on again. Leave the machine for 15 min.
Description: Some fuser unit errors occurred at power-ON or upon recovery from sleep mode.
Remedy: 1 Connection failure of each harness of the fuser unit Reconnect each harness of the fuser unit. 2 Connection failure of the eject sensor PCB harness Reconnect the eject sensor PCB harness. 3 Fuser unit failure Replace the fuser unit. 4 Eject sensor PCB failure Replace the eject sensor PCB ASSY. 5 Low-voltage power supply PCB failure Replace the low-voltage power supply PCB unit. 6 Main PCB failure Replace the main PCB ASSY.
Note: – Turn OFF the power switch. After checking that the fuser unit has cooled sufficiently, turn ON the power switch again and leave the machine for ten minutes. This problem may then be cleared. – To clear the fuser unit error after the remedy of the error is taken, enter the maintenance mode and then exit from the maintenance mode using Function code 99.

Code: 6902
Display: Self-Diagnostic Will Automatically Restart within 15 minutes.
Description: After the error was detected at the fuser unit, power was turned ON again and the error is being checked. (If power is turned OFF and ON after error code 6901 occurred, this code is displayed for about 15 minutes.)
Remedy: 1 Connection failure of each harness of the fuser unit Reconnect each harness of the fuser unit. 2 Connection failure of the eject sensor PCB harness Reconnect the eject sensor PCB harness. 3 Fuser unit failure Replace the fuser unit. 4 Eject sensor PCB failure Replace the eject sensor PCB ASSY. 5 Low-voltage power supply PCB failure Replace the low-voltage power supply PCB unit. 6 Main PCB failure Replace the main PCB ASSY.
Note: – Turn OFF the power switch. After checking that the fuser unit has cooled sufficiently, turn ON the power switch again and leave the machine for ten minutes. This problem may then be cleared. – To clear the fuser unit error after the remedy of the error is taken, enter the maintenance mode and then exit from the maintenance mode using Function code 99.

Code: 6A00
Display: Drum ! Slide the Blue tab on Drum Unit.
Description: Electric discharge that may be caused by dirt on the corona wire of the drum unit was detected.
Remedy: < User Check > – Clean the corona wire by sliding the blue tab of the drum unit for all four colors several times. – Clean the terminal of the drum unit. – Replace the drum unit.
1 Dirt on the GRID terminals of the main body Clean the GRID terminals of the main body. 2 Dirt on the terminal of the high-voltage power supply PCB Clean the terminal of the high-voltage power supply PCB. 3 High-voltage power supply PCB failure Replace the high-voltage power supply PCB ASSY. 4 Main PCB failure Replace the main PCB ASSY.

Code: 6B01
Display: Drum Stop Replace the Drum Unit.
Description: Electric discharge was detected when the number of the drum unit rotations had become more than twice of the upper limit.
Remedy: < User Check > – Clean the corona wire by sliding the blue tab of the drum unit for all four colors several times. – Clean the terminal of the drum unit. – Replace the drum unit.
1 Dirt on the GRID terminals of the main body Clean the GRID terminals of the main body. 2 Dirt on the terminal of the high-voltage power supply PCB Clean the terminal of the high-voltage power supply PCB. 3 High-voltage power supply PCB failure Replace the high-voltage power supply PCB ASSY. 4 Main PCB failure Replace the main PCB ASSY.

Code: 6C02
Display: Tray 2 Error Take out Tray 2 and push it back in firmly.
Description: After the T2 paper tray unit is opened and closed or the power is turned ON, the T2 plate origin sensor detects that lift-up of the plate of the T2 paper tray unit is not completed within the specified period of time.
Remedy: < User Check > – Open the T2 paper tray unit and close the T2 paper tray unit correctly.
1 Connection failure of the T2 plate origin sensor harness Reconnect the T2 plate origin sensor harness. 2 T2 relay PCB failure Replace the T2 relay PCB ASSY. 3 T2 plate origin sensor failure Replace the T2 paper tray unit. 4 Main PCB failure Replace the main PCB ASSY.

Code: 6C03
Display: Tray 3 Error Take out Tray 3 and push it back in firmly.
Description: After the T3 paper tray unit is opened and closed or the power is turned ON, the T3 plate origin sensor detects that lift-up of the plate of the T3 paper tray unit is not completed within the specified period of time.
Remedy: < User Check > – Open the T3 paper tray unit and close the T3 paper tray unit correctly.
1 Connection failure of the T3 plate origin sensor harness Reconnect the T3 plate origin sensor harness. 2 T2 relay PCB failure Replace the T2 relay PCB ASSY. 3 T3 relay PCB failure Replace the T3 relay PCB ASSY. 4 T3 plate origin sensor failure Replace the T3 paper tray unit. 5 Main PCB failure Replace the main PCB ASSY.

Code: 6D00
Display: Too Many Trays Turn the power off and remove additional trays.
Description: The number of option trays higher than the specified one is connected.
Remedy: < User Check > – Reduce the option trays to the specified number.
1 LT paper tray unit failure Replace the LT paper tray unit. 2 Main PCB failure Replace the main PCB ASSY.

Code: 6E00
Display: Toner Error One or more Toner Cartridges are not detected. Pull out and reinsert all 4 Toner Cartridges.
Description: The develop release sensor detected the developer roller disengagement or engagement failure.
Remedy: 1 Connection failure of the develop release sensor harness Reconnect the develop release sensor harness. 2 Develop release sensor failure Replace the develop release sensor PCB ASSY. 3 Develop release clutch failure Replace the develop release drive unit. 4 Main PCB failure Replace the main PCB ASSY.

Code: 6F00
Display: Print Unable ZC Turn the power off and then back on again.
Description: Machine detected that supplied power was unstable. (Less than 100 times)
Remedy: User Check > – Turn the power switch OFF/ON. – Insert the filter into the power supply.
1 The power supply waveform is incorrect Install a voltage stabilizer in the power supply part.

Code: 7000
Display: Jam Inside Open the Front Cover, pull out the Drum Unit completely and remove the jammed paper.
Description: After the registration rear sensor detects paper pass, the eject sensor does not detect paper pass.
Remedy: < User Check > – Remove the jammed paper.
1 Foreign object inside machine Remove the foreign object. 2 Eject actuator that has come off or that has been caught Re-assemble the eject actuator. 3 Fuser cover installation failure Re-assemble the fuser cover. 4 Connection failure of the eject sensor PCB harness Reconnect the eject sensor PCB harness. 5 Fuser drive gear Z25 damaged Replace the fuser drive gear Z25. 6 Process related feed gear damaged Replace the process drive unit. 7 Paper feed related gear damaged Replace the main drive unit. 8 Eject sensor failure Replace the eject sensor PCB ASSY. 9 Fuser unit failure Replace the fuser unit. 10 Main PCB failure Replace the main PCB ASSY.

Code: 7100
Display: Jam Rear Open the Back Cover and remove the jammed paper, then press Go.
Description: After the registration rear sensor detects the end of paper pass and the specified period of time has passed, the eject sensor continues to detect paper pass.
Remedy: < User Check > – Remove the jammed paper. – Check if the back cover is not open during 2-sided printing.
1 Foreign object at the back of the machine Remove the foreign object. 2 Eject actuator caught on some position Re-assemble the eject actuator. 3 Fuser cover installation failure Re-assemble the fuser cover. 4 Back cover installation failure Re-assemble the back cover. 5 Eject sensor failure Replace the eject sensor PCB ASSY. 6 Back cover failure Replace the back cover. 7 Fuser drive gear Z25 damaged Replace the fuser drive gear Z25. 8 Paper eject ASSY failure Replace the paper eject ASSY. 9 Paper feed related gear damaged Replace the main drive unit. 10 Fuser unit failure Replace the fuser unit. 11 Main PCB failure Replace the main PCB ASSY.

Code: 7200
Display: Jam MP Tray Remove the jammed paper from Multi Purpose Tray and press Go.
Description: When the paper is fed from the MP tray, after the MP registration front sensor detects paper pass, the registration rear sensor does not detect paper pass after a set period of time.
Remedy: < User Check > – Remove the jammed paper. – Insert the papers straight using the paper guide of the MP tray. – Check if the papers loaded in the MP tray is not held down with your hand. – Check if the double feed occurs in the MP tray. – Check if the front cover is closed correctly. – Check if the machine is used with the MP tray support and MP flap are in closed state.
1 Foreign object at the back of the machine Remove the foreign object. 2 Registration rear actuator that has come off or that has been caught Re-assemble the registration rear actuator. 3 Connection failure of the registration front/rear sensor PCB harness Reconnect the registration front/rear sensor PCB harness. 4 MP unit installation failure Re-assemble the MP unit. 5 MP separation pad worn out Replace the PF kit MP. 6 Registration rear sensor failure Replace the registration front/rear sensor PCB. 7 Paper feed related gear damaged Replace the main drive unit. 8 Main PCB failure Replace the main PCB ASSY.

Code: 7300
Display: Jam Tray 1 Remove the jammed paper from Tray 1.
Description: In the case of printing by feeding paper from the paper tray 1, after the T1 paper feed sensor detects paper pass, the registration front sensor does not detect paper pass after a set period of time.
Remedy: < User Check > – Remove the jammed paper. – Check if the paper tray 1 is closed correctly.
1 Foreign object at the front of the paper tray 1 Remove the foreign object. 2 T1 paper dust cleaning roller installation failure Re-assemble the T1 paper dust cleaning roller. 3 Registration front actuator that has come off or that has been caught Re-assemble the registration front actuator. 4 Connection failure of the registration front/rear sensor PCB harness Reconnect the registration front/rear sensor PCB harness. 5 Registration front sensor failure Replace the registration front/rear sensor PCB ASSY. 6 Paper feed related gear damaged Replace the main drive unit. 7 Main PCB failure Replace the main PCB ASSY.

Code: 7400
Display: Jam Tray 2 Remove the jammed paper from Tray 2.
Description: In the case of printing by feeding paper from the T2 paper tray unit, after the T2 paper feed sensor detects paper pass, the registration front sensor does not detect paper pass after a set period of time.
Remedy: < User Check > – Remove the jammed paper. – Close the paper tray 1 and T2 paper tray unit correctly.
1 Foreign object at the front of the paper tray 1 Remove the foreign object. 2 Foreign object at the front of the T2 paper tray unit Remove the foreign object. 3 T1/T2 paper dust cleaning roller installation failure Re-assemble the T1/T2 paper dust cleaning roller. 4 Registration front actuator that has come off or that has been caught Re-assemble the registration front actuator. 5 Connection failure of the registration front/rear sensor PCB harness Reconnect the registration front/rear sensor PCB harness. 6 Registration front sensor failure Replace the registration front/rear sensor PCB ASSY. 7 Paper feed related gear damaged Replace the main drive unit. 8 Main PCB failure Replace the main PCB ASSY.

Code: 7500
Display: Jam Tray 3
Description: In the case of printing by feeding paper from the T3 paper tray unit, after the T3 paper feed sensor detects paper pass, the registration front sensor does not detect paper pass after a set period of time.
Remedy: < User Check > – Remove the jammed paper. – Close the Paper tray 1 and LT paper tray unit correctly.
1 Foreign object at the front of the Paper tray 1 or LT paper tray unit Remove the foreign object. 2 T1/LT paper dust cleaning roller installation failure Re-assemble the T1/LT paper dust cleaning roller. 3 Registration front actuator that has come off or that has been caught Re-assemble the registration front actuator. 4 Connection failure of the registration front/rear sensor PCB harness Reconnect the registration front/rear sensor PCB harness. 5 Registration front sensor failure Replace the registration front/rear sensor PCB ASSY. 6 Paper feed related gear damaged Replace the main drive unit. 7 Main PCB failure Replace the main PCB ASSY.

Code: 7700
Display: Jam 2-sided Pull out Tray 1 completely. Check inside the machine or open the Back Cover to remove the jammed paper.
Description: After the first side is printed in 2-sided printing mode, the registration front sensor does not detect paper pass after a set period of time.
Remedy: < User Check > – Remove the jammed paper. – Check if the back cover is closed correctly. – Check if the paper tray 1 is closed correctly.
1 Foreign object inside the duplex path Remove the foreign object. 2 Foreign object inside the duplex path of the paper tray 1 Remove the foreign object. 3 Fuser cover installation failure Re-assemble the fuser cover. 4 Back cover installation failure Re-assemble the back cover. 5 Main PCB failure Replace the main PCB ASSY.

Code: 8402
Display: No Tray The paper tray cannot be detected, re-install #T.
Description: While the T2 paper tray unit is open state, print or adjustment operation was attempted.
Remedy: < User Check > – Check if the T2 paper tray unit is closed correctly.
1 T2 paper feed actuator that has come off or that has been caught Re-assemble the T2 paper feed actuator. 2 Main PCB failure Replace the main PCB ASSY.

Code: 8403
Display: No Tray T3
Description: While the T3 paper tray unit is open state, print or adjustment operation was attempted.
Remedy: < User Check > – Check if the T3 paper tray unit is closed correctly.
1 T3 paper feed actuator that has come off or that has been caught Re-assemble the T3 paper feed actuator. 2 Main PCB failure Replace the main PCB ASSY.

Code: 8501
Display: No Tray Reinstall tray 1
Description: The T1 paper feed sensor detected that the paper tray 1 is open in 2-sided printing or printing by feeding paper from the T2 paper tray unit. (before the registration of printing in the engine)
Remedy: < User Check > – Check if the paper tray 1 is closed correctly.
1 T1 paper feed actuator that has come off or that has been caught Re-assemble the T1 paper feed actuator. 2 Connection failure of the T1 paper feed sensor PCB harness Reconnect the T1 paper feed sensor PCB harness. 3 T1 paper feed sensor failure Replace the T1 paper feed sensor PCB ASSY. 4 Main PCB failure Replace the main PCB ASSY.

Code: 8502
Display: No Tray T2
Description: The T2 paper feed sensor detected that the T2 paper tray unit is open in printing by feeding paper from the T3 paper tray unit. (before the registration of printing in the engine)
Remedy: < User Check > – Check if the T2 paper tray unit is closed correctly.
1 T2 paper feed actuator that has come off or that has been caught Re-assemble the T2 paper feed actuator. 2 Connection failure of the T2 paper feed sensor PCB harness Reconnect the T2 paper feed sensor PCB harness. 3 T2 paper feed sensor failure Replace the LT paper feed frame unit. 4 Main PCB failure Replace the main PCB ASSY.

Code: 8505
Display: No Tray Reinstall tray 1
Description: The T1 paper feed sensor detected that the paper tray 1 is open in 2-sided printing or printing by feeding paper from the T2 paper tray unit. (after the registration of printing in the engine)
Remedy: < User Check > – Check if the paper tray 1 is closed correctly.
1 T1 paper feed actuator that has come off or that has been caught Re-assemble the T1 paper feed actuator. 2 Connection failure of the T1 paper feed sensor PCB harness Reconnect the T1 paper feed sensor PCB harness. 3 T1 paper feed sensor failure Replace the T1 paper feed sensor PCB ASSY. 4 Main PCB failure Replace the main PCB ASSY.

Code: 8506
Display: No Tray T2
Description: The T2 paper feed sensor detected that the T2 paper tray unit is open in printing by feeding paper from the T3 paper tray unit. (after the registration of printing in the engine)
Remedy: < User Check > – Check if the T2 paper tray unit is closed correctly.
1 T2 paper feed actuator that has come off or that has been caught Re-assemble the T2 paper feed actuator. 2 Connection failure of the T2 paper feed sensor PCB harness Reconnect the T2 paper feed sensor PCB harness. 3 T2 paper feed sensor failure Replace the LT paper feed frame unit. 4 Main PCB failure Replace the main PCB ASSY.

Code: 8903
Display: 2-sided Disabled Close the Back Cover of the machine.
Description: The back cover sensor detected the open state when 2-sided printing is started. (before the registration of printing in the engine)
Remedy: < User Check > – Close the back cover.
1 Connection failure of the back cover sensor harness Reconnect the back cover sensor harness. 2 Back cover sensor installation failure Re-assemble the back cover sensor. 3 Breakage of boss that presses the back cover sensor Replace the back cover. 4 Back cover sensor failure Replace the back cover sensor. 5 Main PCB failure Replace the main PCB ASSY.

Code: 8904
Display: 2-sided Disabled Close the Back Cover of the machine.
Description: The back cover sensor detected the open state during 2-sided printing. (after the registration of printing in the engine)
Remedy: < User Check > – Close the back cover.
1 Connection failure of the back cover sensor harness Reconnect the back cover sensor harness. 2 Back cover sensor installation failure Re-assemble the back cover sensor. 3 Breakage of boss that presses the back cover sensor Replace the back cover. 4 Back cover sensor failure Replace the back cover sensor. 5 Main PCB failure Replace the main PCB ASSY.

Code: 8A01
Display: Size Error DX Specify the correct paper and press Go.
Description: The registration rear sensor detected that the fed paper was larger or smaller than the specified size in 2-sided printing.
Remedy: < User Check > – Use the Letter to Legal size paper.
1 Registration rear actuator caught on some position Re-assemble the registration rear actuator. 2 Registration rear sensor failure Replace the registration front/rear sensor PCB ASSY. 3 Main PCB failure Replace the main PCB ASSY.

Code: 8A02
Display: 2-sided Disabled Load #S paper and press Go.
Description: The registration rear sensor detected that the length of the paper is too long and it may hit within the machine in 2-sided printing.
Remedy: < User Check > – Use the Letter to Legal size paper.
1 Registration rear actuator caught on some position Re-assemble the registration rear actuator. 2 Registration rear sensor failure Replace the registration front/rear sensor PCB ASSY. 3 Main PCB failure Replace the main PCB ASSY.

Code: 8D01
Display: Short paper Open the Back Cover and then press Go.
Description: The registration rear sensor detected that the paper loaded in the paper tray was smaller than the specified size.
Remedy: < User Check > – Open the back cover and print using the straight paper path. – Length of the paper is 114 mm or more.
1 Registration rear actuator caught on some position Re-assemble the registration rear actuator. 2 Registration rear sensor failure Replace the registration front/rear sensor PCB ASSY. 3 Main PCB failure Replace the main PCB ASSY.

Code: 8D02
Display: Small paper Open the Back Cover and then press Go.
Description: The paper size which is not supported by the output tray is set for printing from the printer driver.
Remedy: < User Check > – The size of paper actually loaded and the one specified from the driver shall be the one within the specified range. – Open the back cover and print using the straight paper path.
1 Main PCB failure Replace the main PCB ASSY.

Code: 9001
Display: Size Mismatch Load #S paper in #T and press Go.
Description: The size of paper loaded in the MP tray and the one specified from the driver are not same when paper is fed from the MP tray.
Remedy: < User Check > – When specifying the paper in the driver, set the paper size of the paper that is actually set.
1 Registration rear actuator caught on some position Re-assemble the registration rear actuator. 2 Registration rear sensor failure Replace the registration front/rear sensor PCB ASSY. 3 Main PCB failure Replace the main PCB ASSY.

Code: 9002
Display: Size Mismatch Load #S paper and press Go.
Description: The size of paper loaded in the paper tray 1 and the one specified from the driver are not same when paper is fed from the paper tray 1.
Remedy: < User Check > – When specifying the paper in the driver, set the paper size of the paper that is actually set.
1 Registration rear actuator caught on some position Re-assemble the registration rear actuator. 2 Registration rear sensor failure Replace the registration front/rear sensor PCB ASSY. 3 Main PCB failure Replace the main PCB ASSY.

Code: 9003
Display: Size Mismatch Load #S paper in #T and press Go.
Description: The size of paper loaded in the T2 paper tray unit and the one specified from the driver are not same when paper is fed from the T2 paper tray unit.
Remedy: < User Check > – When specifying the paper in the driver, set the paper size of the paper that is actually set.
1 Registration rear actuator caught on some position Re-assemble the registration rear actuator. 2 Registration rear sensor failure Replace the registration front/rear sensor PCB ASSY. 3 Main PCB failure Replace the main PCB ASSY.

Code: 9004
Display: Size Mismatch Reload correct paper in Tray 3, then press [Retry].
Description: The size of paper loaded in the T3 paper tray unit and the one specified from the driver are not same when paper is fed from the T3 paper tray unit.
Remedy: < User Check > – When specifying the paper in the driver, set the paper size of the paper that is actually set.
1 Registration rear actuator caught on some position Re-assemble the registration rear actuator. 2 Registration rear sensor failure Replace the registration front/rear sensor PCB ASSY. 3 Main PCB failure Replace the main PCB ASSY.

Code: 9301
Display: No Paper Load #S paper in #T.
Description: When paper was fed from the MP tray, the MP paper empty sensor detected that no paper was in the MP tray.
Remedy: < User Check > – Load paper to the MP tray.
1 MP paper empty actuator caught on some position Re-assemble the MP paper empty actuator. 2 Connection failure of the MP paper empty/registration front sensor PCB harness Reconnect the MP paper empty/ registration front sensor PCB harness. 3 MP paper empty sensor failure Replace the MP paper empty/registration front sensor PCB ASSY. 4 Main PCB failure Replace the main PCB ASSY.

Code: 9302
Display: No Paper Load #S paper in #T.
Description: When paper was fed from the paper tray 1, the T1 paper feed sensor detected that no paper was in the paper tray 1.
Remedy: < User Check > – Load paper to the paper tray.
1 T1 paper feed actuator caught on some position Re-assemble the T1 paper feed actuator. 2 Connection failure of the T1 paper feed sensor PCB harness Reconnect the T1 paper feed sensor PCB harness. 3 T1 paper feed sensor failure Replace the T1 paper feed sensor PCB ASSY. 4 Main PCB failure Replace the main PCB ASSY.

Code: 9303
Display: No Paper Load #S paper in #T.
Description: When paper was fed from the T2 paper tray unit, the T2 paper feed sensor detected that no paper was in the T2 paper tray unit.
Remedy: < User Check > – Load paper to the paper tray.
1 T2 paper feed actuator caught on some position Re-assemble the T2 paper feed actuator. 2 Connection failure of the T2 paper feed sensor PCB harness Reconnect the T2 paper feed sensor PCB harness. 3 Connection failure of the T2 relay PCB harness Reconnect the T2 relay PCB harness. 4 T2 relay PCB failure Replace the T2 relay PCB ASSY. 5 T2 connector failure Replace the T2 paper tray unit. 6 Main PCB failure Replace the main PCB ASSY.

Code: 9304
Display: No Paper T3
Description: When paper was fed from the T3 paper tray unit, the T3 paper feed sensor detected that no paper was in the T3 paper tray unit.
Remedy: < User Check > – Load paper to the paper tray.
1 T3 paper feed actuator caught on some position Re-assemble the T3 paper feed actuator. 2 Connection failure of the T3 paper feed sensor PCB harness Reconnect the T3 paper feed sensor PCB harness. 3 Connection failure of the T3 relay PCB harness Reconnect the T3 relay PCB harness. 4 T3 relay PCB failure Replace the T3 relay PCB ASSY. 5 T2 connector failure Replace the T2 paper tray unit. 6 T3 connector failure Replace the T3 paper tray unit. 7 Main PCB failure Replace the main PCB ASSY.

Code: 9306
Display: No Paper Load #S paper in #T.
Description: For printing specifying Auto, it was detected that no paper was loaded in any of the paper trays.
Remedy: < User Check > – Load paper to any tray.
1 MP paper empty actuator caught on some position Re-assemble the MP paper empty actuator. 2 T1 paper feed actuator caught on some position Re-assemble the T1 paper feed actuator. 3 T2 paper feed actuator caught on some position Re-assemble the T2 paper feed actuator. 4 Connection failure of the MP paper empty/registration front sensor PCB harness Reconnect the MP paper empty/ registration front sensor PCB harness. 5 Connection failure of the T1 paper feed sensor PCB harness Reconnect the T1 paper feed sensor PCB harness. 6 Connection failure of the T2 paper feed sensor PCB harness Reconnect the T2 paper feed sensor PCB harness. 7 MP paper empty sensor failure Replace the MP paper empty/registration front sensor PCB ASSY. 8 T1 paper feed sensor failure Replace the T1 paper feed sensor PCB ASSY. 9 T2 connector failure Replace the T2 paper tray unit. 10 Main PCB failure Replace the main PCB ASSY.

Code: 9701
Display: Size Error DX Press Cancel. Specify the correct paper and load the same size paper as the Printer driver setting.
Description: For 2-sided printing, the tray whose paper size was not supported by 2-sided printing was selected.
Remedy: < User Check > – The size of the paper specified from the driver shall be A4 or Letter size and load the same size of paper to the specified paper tray.
1 Main PCB failure Replace the main PCB ASSY.

Code: 9702
Display: Size Error Specify the correct paper size for Tray 1.
Description: For printing by feeding paper from the paper tray 1, the size of paper specified from the driver set the size which was not supported by the paper tray 1.
Remedy: < User Check > – The size of the paper specified from the driver shall be A4 or Letter size and load the same size of paper to the specified paper tray.
1 Main PCB failure Replace the main PCB ASSY.

Code: 9703
Display: Size Error Specify the correct paper size for Tray 2.
Description: For printing by feeding paper from the T2 paper tray unit, the size of paper specified from the driver set the size which was not supported by the T2 paper tray unit.
Remedy: < User Check > – The size of the paper specified from the driver shall be A4 or Letter size and load the same size of paper to the specified paper tray.
1 Main PCB failure Replace the main PCB ASSY.

Code: 9704
Display: Size Error Specify the correct paper size for Tray 3.
Description: For printing by feeding paper from the T3 paper tray unit, the size of paper specified from the driver set the size which was not supported by the T3 paper tray unit.
Remedy: < User Check > – The size of the paper specified from the driver shall be A4 or Letter size and load the same size of paper to the specified paper tray.
1 Main PCB failure Replace the main PCB ASSY.

– 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

Code: 9801
Display: Calibrate Calibration failed. Turn the power off and then back on again.
Description: Error occurred with the value measured during color density adjustment performed from the control panel.
Remedy: < User Check > – Check if the toner cartridges are set in the correct order of colors. – Replace the toner cartridge. – Replace the drum unit. – If the belt unit has a scratch, replace it. – If “WT Box End Soon” is displayed on the LCD and the belt unit has dirt, replace the waste toner box.
1 Dirt on the registration mark sensor L Clean the registration mark sensor L. 2 Failure in printed measurement pattern image If failure occurs when printing “2D3S YMCBWKW_A” in “Function code 71”, refer to “ Troubleshooting for Image Defects” in this chapter and take a measure. 3 Connection failure of the registration mark sensor L PCB harness Reconnect the registration mark sensor L PCB harness. 4 Density sensor failure Replace the registration mark sensor unit. 5 Main PCB failure Replace the main PCB ASSY.

Code: 9802
Display: Calibrate Calibration failed. Insufficient Toner for Calibration.
Description: Dot counter or develop roller counter of color toner has reached the upper limit during color density adjustment performed from the control panel.
Remedy: < User Check > – Replace the corresponding toner cartridge.
1 Main PCB failure Replace the main PCB ASSY.

Code: 9803
Display: Calibrate Calibration failed. Press Go, and try again.
Description: Density patch measurement ended unsuccessfully during color density adjustment performed from the control panel.
Remedy: < User Check > – Check if the toner cartridges are set in the correct order of colors. – Replace the toner cartridge. – Replace the drum unit. – If the belt unit has a scratch, replace it. – If “WT Box End Soon” is displayed on the LCD and the belt unit has dirt, replace the waste toner box.
1 Dirt on the registration mark sensor L Clean the registration mark sensor L. 2 Failure in printed measurement pattern image If failure occurs when printing “2D3S YMCBWKW_A” in “Function code 71”, refer to “4.3 Troubleshooting for Image Defects” in this chapter and take a measure. 3 Connection failure of the registration mark sensor L PCB harness Reconnect the registration mark sensor L PCB harness. 4 Density sensor failure Replace the registration mark sensor unit. 5 Main PCB failure Replace the main PCB ASSY.

Code: 9804
Display: Calibrate Calibration failed. Press Go, and try again.
Description: Error occurred with the value measured during density sensor sensitivity calibration.
Remedy: < User Check > – Check if the toner cartridges are set in the correct order of colors. – Replace the toner cartridge. – Replace the drum unit. – If the belt unit has a scratch, replace it. – If “WT Box End Soon” is displayed on the LCD and the belt unit has dirt, replace the waste toner box.
1 Dirt on the registration mark sensor L Clean the registration mark sensor L. 2 Failure in printed measurement pattern image If failure occurs when printing “2D3S YMCBWKW_A” in “Function code 71”, refer to “4.3 Troubleshooting for Image Defects” in this chapter and take a measure. 3 Connection failure of the registration mark sensor L PCB harness Reconnect the registration mark sensor L PCB harness. 4 Density sensor failure Replace the registration mark sensor unit. 5 Main PCB failure Replace the main PCB ASSY.

Code: 9A01
Display: Registration Registration failed. Turn the power off and then back on again.
Description: Error occurred with the value measured during auto color registration performed from the control panel.
Remedy: < User Check > – Check if the toner cartridges are set in the correct order of colors. – Replace the toner cartridge. – Replace the drum unit. – If the belt unit has a scratch, replace it. – If “WT Box End Soon” is displayed on the LCD and the belt unit has dirt, replace the waste toner box.
1 Dirt on the registration mark sensor L/registration mark sensor R Clean the registration mark sensor L/ registration mark sensor R. 2 Connection failure of the registration mark sensor L PCB/ registration mark sensor R PCB harness Reconnect the registration mark sensor L PCB/registration mark sensor R PCB harness. 3 Failure in printed measurement pattern image If failure occurs when printing “2D3S YMCBWKW_A” in “Function code 71”, refer to “4.3 Troubleshooting for Image Defects” in this chapter and take a measure. 4 Registration mark sensor L or registration mark sensor R failure Replace the registration mark sensor unit. 5 Main PCB failure Replace the main PCB ASSY.

Code: 9A02
Display: Registration Registration failed. Insufficient Toner for Registration.
Description: Dot counter or develop roller counter of color toner has reached the upper limit during auto color registration performed from the control panel.
Remedy: < User Check > – Replace the corresponding toner cartridge.
1 Main PCB failure Replace the main PCB ASSY.

Code: 9A03
Display: Registration Registration failed. Press Go, and try again.
Description: Error occurred during patch data printing in auto color registration performed from the control panel.
Remedy: < User Check > – Check if the toner cartridges are set in the correct order of colors. – Replace the toner cartridge. – Replace the drum unit. – If the belt unit has a scratch, replace it. – If “WT Box End Soon” is displayed on the LCD and the belt unit has dirt, replace the waste toner box.
1 Dirt on the registration mark sensor L/registration mark sensor R Clean the registration mark sensor L/ registration mark sensor R. 2 Connection failure of the registration mark sensor L PCB/ registration mark sensor R PCB harness Reconnect the registration mark sensor L PCB/registration mark sensor R PCB harness. 3 Failure in printed measurement pattern image If failure occurs when printing “2D3S YMCBWKW_A” in “Function code 71”, refer to “4.3 Troubleshooting for Image Defects” in this chapter and take a measure. 4 Registration mark sensor L or registration mark sensor R failure Replace the registration mark sensor unit. 5 Main PCB failure Replace the main PCB ASSY.

Code: C001
Display: Log Access Error. Server Timeout, contact your administrator.
Description: Timeout occurred with access request sent to server due to incorrect server address, network disconnection, or inactive server.
Remedy: < User Check > – Refer to User’s guide and reconfigure network settings. – Check the wiring of the LAN cables. – Check the wireless LAN settings.
1 Connection failure of the wireless LAN PCB connector Reconnect the Wireless LAN PCB connector. 2 Wireless LAN PCB failure Replace the wireless LAN PCB ASSY. 3 Main PCB failure Replace the main PCB ASSY.

Code: C002
Display: Log Access Error. Authentication Error, contact your administrator.
Description: User authentication is unavailable due to incorrect user name, incorrect password, or asynchronous date and time between the machine and server.
Remedy: < User Check > – Refer to User’s guide and reconfigure network settings. – Check the wiring of the LAN cables. – Check the wireless LAN settings.
1 Connection failure of the wireless LAN PCB connector Reconnect the Wireless LAN PCB connector. 2 Wireless LAN PCB failure Replace the wireless LAN PCB ASSY. 3 Main PCB failure Replace the main PCB ASSY.

Code: C003
Display: Log Access Error. File Access Error, contact your administrator.
Description: Access to a file is unavailable due to incorrect directory name, no write permission on directory, file write lock, or no write permission on file.
Remedy: < User Check > – Refer to User’s guide and reconfigure network settings. – Check the wiring of the LAN cables. – Check the wireless LAN settings.
1 Connection failure of the wireless LAN PCB connector Reconnect the Wireless LAN PCB connector. 2 Wireless LAN PCB failure Replace the wireless LAN PCB ASSY. 3 Main PCB failure Replace the main PCB ASSY.

Code: C004
Display: Log Access Error. Wrong Date&Time, contact your administrator.
Description: The current time necessary for user authentication is unavailable due to time not being obtained.
Remedy: < User Check > – Refer to User’s guide and reconfigure network settings. – Check the wiring of the LAN cables. – Check the wireless LAN settings.
1 Connection failure of the wireless LAN PCB connector Reconnect the Wireless LAN PCB connector. 2 Wireless LAN PCB failure Replace the wireless LAN PCB ASSY. 3 Main PCB failure Replace the main PCB ASSY.

Code: C700
Display: Out of Memory Press Cancel
Description: The memory is insufficient to expand the data of PC-Print.
Remedy: < User Check > – Print the print data stored in the memory. – Divide the print data and print it.
1 Main PCB failure Replace the main PCB ASSY.

Code: C800
Display: Print Data Full Print Data is full. Press Cancel and delete the previously stored data.
Description: The memory used to store secure print data exceeded the memory size for secure print data.
Remedy: < User Check > – Print the print data stored in the memory. – Divide the print data and print it.
1 Main PCB failure Replace the main PCB ASSY.

Code: D800
Display: Touchscreen initialization failed Remove any material which is on the touchscreen.
Description: Error occurred during touch panel initialization.
Remedy: 1 The version of the panel firmware and the main firmware do not match Install the latest panel firmware and main firmware. 2 Connection failure of the key PCB flat cable Reconnect the key PCB flat cable. 3 Key PCB flat cable failure Replace the key PCB flat cable. 4 Panel control PCB failure Replace the panel control PCB ASSY. 5 LCD unit failure Replace the LCD panel ASSY. 6 Key PCB failure Replace the panel case ASSY. 7 Main PCB failure Replace the main PCB ASSY.

Code: D900
Display:
Description: Communication between the panel PCB and main PCB is unavailable during touch panel initialization.
Remedy: 1 The version of the panel firmware and the main firmware do not match Install the latest panel firmware and main firmware. 2 Connection failure of the key PCB flat cable Reconnect the key PCB flat cable. 3 Key PCB flat cable failure Replace the key PCB flat cable. 4 Panel control PCB failure Replace the panel control PCB ASSY. 5 LCD unit failure Replace the LCD panel ASSY. 6 Key PCB failure Replace the panel case ASSY. 7 Main PCB failure Replace the main PCB ASSY.

Code: DA00
Display:
Description: After the initialization of the panel PCB, no response was sent from the panel PCB for a period of time.
Remedy: 1 The version of the panel firmware and the main firmware do not match Install the latest panel firmware and main firmware. 2 Connection failure of the key PCB flat cable Reconnect the key PCB flat cable. 3 Key PCB flat cable failure Replace the key PCB flat cable. 4 Panel control PCB failure Replace the panel control PCB ASSY. 5 LCD unit failure Replace the LCD panel ASSY. 6 Key PCB failure Replace the panel case ASSY. 7 Main PCB failure Replace the main PCB ASSY.

Code: DB00
Display:
Description: USB communication between the main PCB and panel PCB is unavailable.
Remedy: 1 The version of the panel firmware and the main firmware do not match Install the latest panel firmware and main firmware. 2 Connection failure of the key PCB flat cable Reconnect the key PCB flat cable. 3 Key PCB flat cable failure Replace the key PCB flat cable. 4 Panel control PCB failure Replace the panel control PCB ASSY. 5 LCD unit failure Replace the LCD panel ASSY. 6 Key PCB failure Replace the panel case ASSY. 7 Main PCB failure Replace the main PCB ASSY.

Code: E000
Display: Print Unable E0 Turn off and on.
Description: Some ROM checksum error occurred.
Remedy: < User Check > – Install the latest firmware.
1 Main PCB failure Replace the main PCB ASSY.

Code: E100
Display: Print Unable E1 Turn off and on.
Description: Program error.
Remedy: < User Check > – Install the latest firmware.
1 Main PCB failure Replace the main PCB ASSY.

Code: E400
Display: Print Unable E4 Turn the power off and then back on again.
Description: The failed DIMM is installed, or the DIMM is not installed correctly.
Remedy: < User Check > – Install the DIMM correctly. – Install the latest firmware.
1 Main PCB failure Replace the main PCB ASSY.

Code: E500
Display: Print Unable E5 Turn the power off and then back on again.
Description: Error occurred when DRAM on the main PCB ASSY was accessed.
Remedy: 1 Main PCB failure Replace the main PCB ASSY.

Code: E600
Display: Print Unable E6 Turn the power off and then back on again.
Description: Error occurred during writing to EEPROM on the main PCB ASSY.
Remedy: 1 Main PCB failure Replace the main PCB ASSY.

Code: E702
Display: Machine Error E7 Turn off and on.
Description: Error occurred during reading from the flash ROM on the main PCB.
Remedy: 1 Main PCB failure Replace the main PCB ASSY.

Code: EC00
Display: Unusable Device Remove the Device. Turn the power off and back on again.
Description: Overcurrent was caused because a USB device that did not meet the specifications was inserted into the USB port.
Remedy: < User Check > – Remove the USB device from the USB port and turn the power OFF. Turn it ON again after a while. – Replace the USB device with another one.
1 USB host relay PCB failure Replace the USB host relay PCB ASSY. 2 Main PCB failure Replace the main PCB ASSY.

Code: F900
Display: Machine Error F9
Description: Setting by spec code is not entered.
Remedy: 1 During function code 74, power is turned OFF. Enter the Setting by spec code again. (Refer to “Setting by country (Function code 74)”) 2 Main PCB failure Replace the main PCB ASSY.

About Canon Servie Tool V5610

– Canon Service Tool V5610 is a tool used to perform maintenance on Canon printers and reset Canon printers after replacement of parts such as replacing ink absorbents, print heads, printer mainboard, and others. Based on the many cases we have encountered, the Service Tool is most often used to reset ink absorber counter value when the waste ink absorber is full.
– The ink absorber is going to be full of box, it has to be replaced or cleaned the waste ink absorber. Also, replaceing or cleaning the waste ink absorber, you need to repair or reset the waste ink counter value, cause those parts are concerned to each others.
– So using Canon Service Tool V5610 to reset the waste ink counter value becomes effective when the ink absorber is replaced or cleaned.

– Canon Service Tool V5610 can use to fix error code 5B00, 5B02, 5B04, 5B14, 1701, 1702, 1700 on your printer. You must enter Service Mode on your printer to use this Canon Service Tool.
– If the printer can not enter Service Mode, you can not reset it by Canon ST V5610. In this case, change EEPROM on the logic board.

Canon Service Tool V5610 Functions

– Fix Canon printer 7 times/ 8 times red light blinking:

– Fix Canon printer error code: 5B00, 5B01, 1700, 1701

Enter Service Mode on Canon Printer

1. Turn off a printer
2. Press and hold the Resume/Cancel/Stop button
3. Press and hold the ON button (do not release both buttons)
4. Release the Resume/Cancel/Stop button (do not release the ON button)
5. While holding the ON button, press the Resume/Cancel/Stop button 5 times, then release both the ON and Resume/Cancel/Stop buttons together.
– Canon printer in service mode: computer detects new hardware, led on printer goes green light.
For more information about Canon Serice Tool V5610

– Get more information about Epson XP 15000 troubleshooting, click here
– Buy cheap key of Epson WIC Reset Tool, CLICK HERE
– Key Epson Adjustment Program, CLICK HERE
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Brother HL-L8250CDN fix error codes list