Brother DCP-L3551CDW Error Codes List

Brother DCP-L3551CDW Error Codes List - Download Driver Brother DCP-L3551CDW - Brother DCP-L3551CDW

Code: 0101

Description:

ASIC error or motor driver error occurred.

Remedy:

1 Main PCB failure

Replace the main PCB.

Code: 0201

Description:

Cannot detect the synchronized signal of the paper feed motor. The speed of the paper feed motor does not stabilize within the specified time.

Remedy:

1 Connection failure of the paper feed motor flat cable. Reconnect the paper feed motor flat cable.

2 Connection failure of the low-voltage power supply harness Reconnect the low-voltage power supply harness.

3 Paper feed motor flat cable failure Replace the paper feed motor flat cable.

4 Damaged parts in paper feed drive unit Replace the paper feed drive unit.

5 Damaged parts in process drive unit Replace the process drive unit.

6 Damaged fuser unit Replace the fuser unit.

7 Low-voltage power supply PCB failure Replace the low-voltage power supply PCB.

8 Main PCB failure Replace the main PCB.

Code: 0202

Description:

Cannot detect the synchronized signal of the process motor. The speed of the process motor does not stabilize within the specified time.

Remedy:

1 Connection failure of the process motor flat cable Reconnect the process motor flat cable.

2 Connection failure of the low-voltage power supply harness Reconnect the low-voltage power supply harness.

3 Process motor flat cable failure Replace the process motor flat cable.

4 Damaged parts in process drive unit Replace the process drive unit.

5 Low-voltage power supply PCB failure Replace the low-voltage power supply PCB.

6 Main PCB failure Replace the main PCB.

Code: 0501

Description:

The center thermistor of the fuser unit has not reached 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 center or side thermistor harness of the fuser unit.

2 Connection failure of the fuser unit heater harness Reconnect the fuser unit heater harness.

3 Connection failure of the eject sensor harness Reconnect the eject sensor harness.

4 Connection failure of the lowvoltage power supply harness Reconnect the low-voltage power supply harness.

5 Eject sensor PCB failure Replace the eject sensor PCB.

6 Fuser unit failure Replace the fuser unit.

7 Low-voltage power supply PCB failure Replace the low-voltage power supply PCB.

8 Main PCB failure Replace the main PCB.

Code: 0502

Description:

The center thermistor of the fuser unit has not reached the specified temperature within the specified time after it was heated normally to the certain level.

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 center or side thermistor harness of the fuser unit.

2 Connection failure of the fuser unit heater harness Reconnect the fuser unit heater harness.

3 Connection failure of the eject sensor harness Reconnect the eject sensor harness.

4 Connection failure of the lowvoltage power supply harness Reconnect the low-voltage power supply harness.

5 Eject sensor PCB failure Replace the eject sensor PCB.

6 Fuser unit failure Replace the fuser unit.

7 Low-voltage power supply PCB failure Replace the low-voltage power supply PCB.

8 Main PCB failure Replace the main PCB.

Code: 0503

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 center or side thermistor harness of the fuser unit.

2 Connection failure of the fuser unit heater harness Reconnect the fuser unit heater harness.

3 Connection failure of the eject sensor harness Reconnect the eject sensor harness.

4 Connection failure of the lowvoltage power supply harness Reconnect the low-voltage power supply harness.

5 Eject sensor PCB failure Replace the eject sensor PCB.

6 Fuser unit failure Replace the fuser unit.

7 Low-voltage power supply PCB failure Replace the low-voltage power supply PCB.

8 Main PCB failure Replace the main PCB.

Code: 0504

Description:

After the heat unit was heated normally, the center 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 center or side thermistor harness of the fuser unit.

2 Connection failure of the fuser unit heater harness Reconnect the fuser unit heater harness.

3 Connection failure of the eject sensor harness Reconnect the eject sensor harness.

4 Connection failure of the lowvoltage power supply harness Reconnect the low-voltage power supply harness.

5 Eject sensor PCB failure Replace the eject sensor PCB.

6 Fuser unit failure Replace the fuser unit.

7 Low-voltage power supply PCB failure Replace the low-voltage power supply PCB.

8 Main PCB failure Replace the main PCB.

Code: 0505

Description:

The center thermistor of the fuser unit detected a temperature rise greater than the specified value 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 center or side thermistor harness of the fuser unit.

2 Connection failure of the fuser unit heater harness Reconnect the fuser unit heater harness.

3 Connection failure of the eject sensor harness Reconnect the eject sensor harness.

4 Connection failure of the lowvoltage power supply harness Reconnect the low-voltage power supply harness.

5 Eject sensor PCB failure Replace the eject sensor PCB.

6 Fuser unit failure Replace the fuser unit.

7 Low-voltage power supply PCB failure Replace the low-voltage power supply PCB.

8 Main PCB failure Replace the main PCB.

Code: 0506

Description:

The center thermistor of the fuser unit detected a temperature fall greater than the specified value 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 center or side thermistor harness of the fuser unit.

2 Connection failure of the fuser unit heater harness Reconnect the fuser unit heater harness.

3 Connection failure of the eject sensor harness Reconnect the eject sensor harness.

4 Connection failure of the lowvoltage power supply harness Reconnect the low-voltage power supply harness.

5 Eject sensor PCB failure Replace the eject sensor PCB.

6 Fuser unit failure Replace the fuser unit.

7 Low-voltage power supply PCB failure Replace the low-voltage power supply PCB.

8 Main PCB failure Replace the main PCB.

Code: 050A

Description:

The hardware detected a temperature error through the center thermistor or the side thermistor of the fuser unit.

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 center or side thermistor harness of the fuser unit.

2 Connection failure of the fuser unit heater harness Reconnect the fuser unit heater harness.

3 Connection failure of the eject sensor harness Reconnect the eject sensor harness.

4 Connection failure of the lowvoltage power supply harness Reconnect the low-voltage power supply harness.

5 Eject sensor PCB failure Replace the eject sensor PCB.

6 Fuser unit failure Replace the fuser unit.

7 Low-voltage power supply PCB failure Replace the low-voltage power supply PCB.

8 Main PCB failure Replace the main PCB.

Code: 050B

Description:

When the center thermistor of the fuser unit was lower than the idle temperature, the side thermistor detected a temperature higher than the specified temperature.

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 center or side thermistor harness of the fuser unit.

2 Connection failure of the fuser unit heater harness Reconnect the fuser unit heater harness.

3 Connection failure of the eject sensor harness Reconnect the eject sensor harness.

4 Connection failure of the lowvoltage power supply harness Reconnect the low-voltage power supply harness.

5 Eject sensor PCB failure Replace the eject sensor PCB.

6 Fuser unit failure Replace the fuser unit.

7 Low-voltage power supply PCB failure Replace the low-voltage power supply PCB.

8 Main PCB failure Replace the main PCB.

Code: 050C

Description:

When the center thermistor of the fuser unit was higher than the idle temperature, the side thermistor detected a temperature lower than the specified temperature.

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 center or side thermistor harness of the fuser unit.

2 Connection failure of the fuser unit heater harness Reconnect the fuser unit heater harness.

3 Connection failure of the eject sensor harness Reconnect the eject sensor harness.

4 Connection failure of the lowvoltage power supply harness Reconnect the low-voltage power supply harness.

5 Eject sensor PCB failure Replace the eject sensor PCB.

6 Fuser unit failure Replace the fuser unit.

7 Low-voltage power supply PCB failure Replace the low-voltage power supply PCB.

8 Main PCB failure Replace the main PCB.

Code: 0800

Description:

An error occurred in the internal temperature sensor.

Remedy:

1 Connection failure of the internal temperature sensor harness Reconnect the internal temperature sensor harness.

2 Connection failure of the eject sensor harness Reconnect the eject sensor harness.

3 Eject sensor PCB failure Replace the eject sensor PCB. 4 Main PCB failure Replace the main PCB.

Code: 0900

Description:

Detected irregular power supply for more than 100 times.

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. Refer to “Reset counters for consumable parts (Function code 88)” to reset the irregular power supply detection counter after the replacement.

2 Main PCB failure Replace the main PCB.

Note:

The irregular power supply detection error (Error code 0900) of the low-voltage power supply PCB 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 is replaced. For this reason, be sure to ask the user to rearrange the installation environment.

Code: 0A02

Description:

Main PCB detected the fan failure.

Remedy:

1 Connection failure of the fan harness Reconnect the fan harness.

2 Connection failure of the highvoltage power supply flat cable Reconnect the high-voltage power supply flat cable.

3 Fan failure Replace the fan.

4 High-voltage power supply PCB failure Replace the high-voltage power supply PCB.

5 Main PCB failure Replace the main PCB.

Code: 0B01

Description:

An error occurred in the high-voltage power supply PCB while operating.

Remedy:

• Slide the green tab of the drum unit to left and right for two to three times to clean the corona wire for all the four colors.

• There is a possibility of condensation. Turn the power switch OFF and ON, then open the top cover and the back cover and leave the machine more than 30 minutes.

• Replace the drum unit.

1 Dirt on the machine, the drum unit, the belt unit and the waste toner box terminal. Clean the machine, the drum unit, the belt unit and the waste toner box terminal.

2 Connection failure of the highvoltage power supply flat cable Reconnect the high-voltage power supply flat cable.

3 High-voltage power supply PCB failure Replace the high-voltage power supply PCB.

4 Main PCB failure Replace the main PCB.

Code: 0B02

Description:

An error occurred in the high-voltage power supply PCB when the machine was in the ready state.

Remedy:

• Slide the green tab of the drum unit to left and right for two to three times to clean the corona wire for all the four colors.

• There is a possibility of condensation. Turn the power switch OFF and ON, then open the top cover and the back cover and leave the machine more than 30 minutes.

• Replace the drum unit.

1 Dirt on the machine, the drum unit, the belt unit and the waste toner box terminal. Clean the machine, the drum unit, the belt unit and the waste toner box terminal.

2 Connection failure of the highvoltage power supply flat cable Reconnect the high-voltage power supply flat cable.

3 High-voltage power supply PCB failure Replace the high-voltage power supply PCB.

4 Main PCB failure Replace the main PCB.

Code: 0C00

Description:

An error occurred in the density sensor.

Remedy:

1 Connection failure of the registration mark sensor L harness Reconnect the registration mark sensor L harness.

2 Eject sensor PCB failure Replace the eject sensor PCB.

3 Registration mark sensor L PCB failure Replace the registration mark sensor L PCB.

4 Main PCB failure Replace the main PCB.

Code: 0E00

Description:

An error occurred during the high-voltage power supply PCB ID check.

Remedy:

1 High-voltage power supply PCB failure Replace the high-voltage power supply PCB.

2 Main PCB failure Replace the main PCB.

Code: 1003

Description:

The registration mark sensor R is dirty and cannot normally receive reflected light.

Remedy:

• 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 part 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 R PCB.

4 Main PCB failure Replace the main PCB.

Code: 1004

Description:

The registration mark sensor L is dirty and cannot normally receive reflected light.

Remedy:

• 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 part 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 L PCB.

4 Main PCB failure Replace the main PCB.

Code: 1400

Description:

Condensation occurred in the machine.

Remedy:

• Open the top and back covers and leave them for 30 minutes or more with the power ON. After that, close the top and back covers and turn OFF and ON the power switch.

1 Main PCB failure

Replace the main PCB.

Code: 1D01

Description:

A communication error occurred in the LED ASSY (black).

Remedy:

1 Connection failure of an LED ASSY flat cable Reconnect an LED ASSY flat cable.

2 Connection failure of the LED control flat cable Reconnect the LED control flat cable.

3 An LED ASSY flat cable failure Replace an LED ASSY flat cable.

4 LED control PCB failure Replace the LED control PCB.

5 An LED ASSY failure Replace an LED ASSY.

6 Main PCB failure Replace the main PCB.

Code: 1D02

Description:

A communication error occurred in the LED ASSY (yellow).

Remedy:

1 Connection failure of an LED ASSY flat cable Reconnect an LED ASSY flat cable.

2 Connection failure of the LED control flat cable Reconnect the LED control flat cable.

3 An LED ASSY flat cable failure Replace an LED ASSY flat cable.

4 LED control PCB failure Replace the LED control PCB.

5 An LED ASSY failure Replace an LED ASSY.

6 Main PCB failure Replace the main PCB.

Code: 1D03

Description:

A communication error occurred in the LED ASSY (magenta).

Remedy:

1 Connection failure of an LED ASSY flat cable Reconnect an LED ASSY flat cable.

2 Connection failure of the LED control flat cable Reconnect the LED control flat cable.

3 An LED ASSY flat cable failure Replace an LED ASSY flat cable.

4 LED control PCB failure Replace the LED control PCB.

5 An LED ASSY failure Replace an LED ASSY.

6 Main PCB failure Replace the main PCB.

Code: 1D04

Description:

A communication error occurred in the LED ASSY (cyan).

Remedy:

1 Connection failure of an LED ASSY flat cable Reconnect an LED ASSY flat cable.

2 Connection failure of the LED control flat cable Reconnect the LED control flat cable.

3 An LED ASSY flat cable failure Replace an LED ASSY flat cable.

4 LED control PCB failure Replace the LED control PCB.

5 An LED ASSY failure Replace an LED ASSY.

6 Main PCB failure Replace the main PCB.

Code: 1E01

Description:

Main PCB and LED control PCB cannot access each other.

Remedy:

1 Connection failure of the LED control flat cable Reconnect the LED control flat cable.

2 LED control PCB failure Replace the LED control PCB.

3 Main PCB failure Replace the main PCB.

Code: 1E02

Description:

Cannot read/write in the main PCB and LED control PCB.

Remedy:

1 Connection failure of the LED control flat cable Reconnect the LED control flat cable.

2 LED control PCB failure Replace the LED control PCB.

3 Main PCB failure Replace the main PCB.

Code: 2100

Description:

Toner cartridge other than black is installed.

Remedy:

• Install the toner cartridge on the specified place.

• Use the genuine toner cartridge.

1 Main PCB failure

Replace the main PCB.

Code: 2101

Description:

Toner cartridge other than yellow is installed.

Remedy:

• Install the toner cartridge on the specified place.

• Use the genuine toner cartridge.

1 Main PCB failure

Replace the main PCB.

Code: 2102

Description:

Toner cartridge other than cyan is installed.

Remedy:

• Install the toner cartridge on the specified place.

• Use the genuine toner cartridge.

1 Main PCB failure

Replace the main PCB.

Code: 2103

Description:

Toner cartridge other than magenta is installed.

Remedy:

• Install the toner cartridge on the specified place.

• Use the genuine toner cartridge.

1 Main PCB failure

Replace the main PCB.

Code: 2200

Description:

Cartridge sensor detected that the toner cartridge does not support black was installed.

Remedy:

• Reinstall the toner cartridge.

• Use the genuine toner cartridge.

1 Main PCB failure

Replace the main PCB.

Code: 2201

Description:

Cartridge sensor detected that the toner cartridge does not support yellow was installed.

Remedy:

• Reinstall the toner cartridge.

• Use the genuine toner cartridge.

1 Main PCB failure

Replace the main PCB.

Code: 2202

Description:

Cartridge sensor detected that the toner cartridge does not support cyan was installed.

Remedy:

• Reinstall the toner cartridge.

• Use the genuine toner cartridge.

1 Main PCB failure

Replace the main PCB.

Code: 2203

Description:

Cartridge sensor detected that the toner cartridge does not support magenta was installed.

Remedy:

• Reinstall the toner cartridge.

• Use the genuine toner cartridge.

1 Main PCB failure

Replace the main PCB.

Code: 2400

Description:

Black toner cartridge is not recognized by the cartridge sensor.

Remedy:

• Reinstall the toner cartridge.

• Use the genuine toner cartridge.

1 Main PCB failure

Replace the main PCB.

Code: 2401

Description:

Yellow toner cartridge is not recognized by the cartridge sensor.

Remedy:

• Reinstall the toner cartridge.

• Use the genuine toner cartridge.

1 Main PCB failure

Replace the main PCB.

Code: 2402

Description:

Cyan toner cartridge is not recognized by the cartridge sensor.

Remedy:

• Reinstall the toner cartridge.

• Use the genuine toner cartridge.

1 Main PCB failure

Replace the main PCB.

Code: 2403

Description:

Magenta toner cartridge is not recognized by the cartridge sensor.

Remedy:

• Reinstall the toner cartridge.

• Use the genuine toner cartridge.

1 Main PCB failure

Replace the main PCB.

Code: 2500

Description:

Black toner cartridge could not communicate with the cartridge sensor.

Remedy:

• Reinstall the toner cartridge.

• Use the genuine toner cartridge.

• Replace the toner cartridge with a new one.

1 Dirt on a cartridge sensor Clean a cartridge sensor terminal.

2 Connection failure of a cartridge sensor harness Reconnect a cartridge sensor harness.

3 Connection failure of the cartridge sensor relay flat cable Reconnect the cartridge sensor relay flat cable.

4 Main PCB failure Replace the main PCB.

Code: 2501

Description:

Yellow toner cartridge could not communicate with the cartridge sensor.

Remedy:

• Reinstall the toner cartridge.

• Use the genuine toner cartridge.

• Replace the toner cartridge with a new one.

1 Dirt on a cartridge sensor Clean a cartridge sensor terminal.

2 Connection failure of a cartridge sensor harness Reconnect a cartridge sensor harness.

3 Connection failure of the cartridge sensor relay flat cable Reconnect the cartridge sensor relay flat cable.

4 Main PCB failure Replace the main PCB.

Code: 2502

Description:

Cyan toner cartridge could not communicate with the cartridge sensor.

Remedy:

• Reinstall the toner cartridge.

• Use the genuine toner cartridge.

• Replace the toner cartridge with a new one.

1 Dirt on a cartridge sensor Clean a cartridge sensor terminal.

2 Connection failure of a cartridge sensor harness Reconnect a cartridge sensor harness.

3 Connection failure of the cartridge sensor relay flat cable Reconnect the cartridge sensor relay flat cable.

4 Main PCB failure Replace the main PCB.

Code: 2503

Description:

Magenta toner cartridge could not communicate with the cartridge sensor.

Remedy:

• Reinstall the toner cartridge.

• Use the genuine toner cartridge.

• Replace the toner cartridge with a new one.

1 Dirt on a cartridge sensor Clean a cartridge sensor terminal.

2 Connection failure of a cartridge sensor harness Reconnect a cartridge sensor harness.

3 Connection failure of the cartridge sensor relay flat cable Reconnect the cartridge sensor relay flat cable.

4 Main PCB failure Replace the main PCB.

Code: 2E00

Description:

Could not communicate with the cartridge sensor on the machine side.

Remedy:

1 Main PCB failure

Replace the main PCB.

Code: 2E02

Description:

Cartridge sensor on the machine side does not work.

Remedy:

1 Main PCB failure

Replace the main PCB.

Code: 2E04

Description:

Cartridge sensor version on the machine side is not available.

Remedy:

1 Main PCB failure

Replace the main PCB.

Code: 3801

Description:

A temperature error occurred in the external temperature/humidity sensor.

Remedy:

1 Connection failure of the external temperature/humidity sensor harness

Reconnect the external temperature/ humidity sensor harness.

2 Main PCB failure

Replace the main PCB.

Code: 3A00

Description:

A communication error occurred between the controller and engine in main PCB.

Remedy:

1 Main PCB failure

Replace the main PCB.

Code: 4001

Description:

Number of the black drum unit rotations reaches the upper limit soon.

Remedy:

• Prepare a new drum unit.

1 Replace the drum unit with a new one and reset the drum counter. If the error display is not cleared, the main PCB is faulty.

Replace the main PCB.

Code: 4002

Description:

Number of the yellow drum unit rotations reaches the upper limit soon.

Remedy:

• Prepare a new drum unit.

1 Replace the drum unit with a new one and reset the drum counter. If the error display is not cleared, the main PCB is faulty.

Replace the main PCB.

Code: 4003

Description:

Number of the magenta drum unit rotations reaches the upper limit soon.

Remedy:

• Prepare a new drum unit.

1 Replace the drum unit with a new one and reset the drum counter. If the error display is not cleared, the main PCB is faulty.

Replace the main PCB.

Code: 4004

Description:

Number of the cyan drum unit rotations reaches the upper limit soon.

Remedy:

• Prepare a new drum unit.

1 Replace the drum unit with a new one and reset the drum counter. If the error display is not cleared, the main PCB is faulty.

Replace the main PCB.

Code: 4201

Description:

Number of the black drum unit rotations has reached the upper limit. (Printing does not stop.)

Remedy:

• Prepare a new drum unit.

1 Replace the drum unit with a new one and reset the drum counter. If the error display is not cleared, the main PCB is faulty.

Replace the main PCB.

Code: 4202

Description:

Number of the yellow drum unit rotations has reached the upper limit. (Printing does not stop.)

Remedy:

• Prepare a new drum unit.

1 Replace the drum unit with a new one and reset the drum counter. If the error display is not cleared, the main PCB is faulty.

Replace the main PCB.

Code: 4203

Description:

Number of the magenta drum unit rotations has reached the upper limit. (Printing does not stop.)

Remedy:

• Prepare a new drum unit.

1 Replace the drum unit with a new one and reset the drum counter. If the error display is not cleared, the main PCB is faulty.

Replace the main PCB.

Code: 4204

Description:

Number of the cyan drum unit rotations has reached the upper limit. (Printing does not stop.)

Remedy:

• Prepare a new drum unit.

1 Replace the drum unit with a new one and reset the drum counter. If the error display is not cleared, the main PCB is faulty.

Replace the main PCB.

Code: 4300

Description:

Number of pages printed with the belt unit will reach the upper limit soon. (90%)

Remedy:

• Prepare a new belt unit.

1 Replace the belt unit with a new one and reset the belt counter. If the error display is not cleared, the main PCB is faulty.

Replace the main PCB.

Code: 4400

Description:

Number of pages printed with the belt unit has reached the upper limit. (Printing does not stop.)

Remedy:

• Prepare a new belt unit.

1 Replace the belt unit with a new one and reset the belt counter. If the error display is not cleared, the main PCB is faulty.

Replace the main PCB.

Code: 4500

Description:

Number of used pages for the fuser unit has reached the upper limit. (Printing does not stop.)

Remedy:

1 End of life of the fuser unit

Replace the fuser unit. Refer to “Reset counters for consumable parts (Function code 88)” to reset the fuser unit counter after the replacement.

2 Replace the fuser unit with a new one and reset the fuser unit counter. If the error display is not cleared, the main PCB is faulty.

Replace the main PCB.

Code: 4700

Description:

The waste toner sensor detected that the waste toner box is almost full.

Remedy:

• Replace the waste toner box.

1 Connection failure of the highvoltage power supply flat cable Reconnect the high-voltage power supply flat cable.

2 High-voltage power supply PCB failure Replace the high-voltage power supply PCB.

3 Main PCB failure Replace the main PCB.

Code: 4800

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:

• Replace the waste toner box.

1 Connection failure of the highvoltage power supply flat cable Reconnect the high-voltage power supply flat cable.

2 High-voltage power supply PCB failure Replace the high-voltage power supply PCB.

3 Main PCB failure Replace the main PCB.

Code: 4B01

Description:

Dot counter of the toner cartridge (black) or develop roller counter reaches the upper limit soon.

Remedy:

• Prepare a new toner cartridge.

1 Main PCB failure

Replace the main PCB.

Code: 4B02

Description:

Dot counter of the toner cartridge (yellow) or develop roller counter reaches the upper limit soon.

Remedy:

• Prepare a new toner cartridge.

1 Main PCB failure

Replace the main PCB.

Code: 4B03

Description:

Dot counter of the toner cartridge (magenta) or develop roller counter reaches the upper limit soon.

Remedy:

• Prepare a new toner cartridge.

1 Main PCB failure

Replace the main PCB.

Code: 4B04

Description:

Dot counter of the toner cartridge (cyan) or develop roller counter reaches the upper limit soon.

Remedy:

• Prepare a new toner cartridge.

1 Main PCB failure

Replace the main PCB.

Code: 4C01

Description:

Dot counter of the toner cartridge (black) or develop roller counter has reached the upper limit was detected.

Remedy:

• Replace the toner cartridge whose counter reached the upper limit.

1 Replace the toner cartridge with a new one and reset the toner counter. If the error display is not cleared, the main PCB is faulty.

Replace the main PCB.

Code: 4C02

Description:

Dot counter of the toner cartridge (yellow) or develop roller counter has reached the upper limit was detected.

Remedy:

• Replace the toner cartridge whose counter reached the upper limit.

1 Replace the toner cartridge with a new one and reset the toner counter. If the error display is not cleared, the main PCB is faulty.

Replace the main PCB.

Code: 4C03

Description:

Dot counter of the toner cartridge (magenta) or develop roller counter has reached the upper limit was detected.

Remedy:

• Replace the toner cartridge whose counter reached the upper limit.

1 Replace the toner cartridge with a new one and reset the toner counter. If the error display is not cleared, the main PCB is faulty.

Replace the main PCB.

Code: 4C04

Description:

Dot counter of the toner cartridge (cyan) or develop roller counter has reached the upper limit was detected.

Remedy:

• Replace the toner cartridge whose counter reached the upper limit.

1 Replace the toner cartridge with a new one and reset the toner counter. If the error display is not cleared, the main PCB is faulty.

Replace the main PCB.

Code: 4C05

Description:

During printing, dot counter of color toner cartridge or develop roller counter has reached the upper limit was detected.

Remedy:

• Replace the toner cartridge whose counter reached the upper limit.

1 Replace the toner cartridge with a new one and reset the toner counter. If the error display is not cleared, the main PCB is faulty.

Replace the main PCB.

Code: 4F01

Description:

The new toner sensor of the toner cartridge (black) could not detect a new cartridge properly.

Remedy:

• Replace the toner cartridge with a new toner cartridge again.

• If the machine is on the uneven surface, place it on a level surface.

1 High-voltage power supply PCB failure

Replace the high-voltage power supply PCB.

2 Main PCB failure

Replace the main PCB.

Code: 4F02

Description:

The new toner sensor of the toner cartridge (yellow) could not detect a new cartridge properly.

Remedy:

• Replace the toner cartridge with a new toner cartridge again.

• If the machine is on the uneven surface, place it on a level surface.

1 High-voltage power supply PCB failure

Replace the high-voltage power supply PCB.

2 Main PCB failure

Replace the main PCB.

Code: 4F03

Description:

The new toner sensor of the toner cartridge (magenta) could not detect a new cartridge properly.

Remedy:

• Replace the toner cartridge with a new toner cartridge again.

• If the machine is on the uneven surface, place it on a level surface.

1 High-voltage power supply PCB failure

Replace the high-voltage power supply PCB.

2 Main PCB failure

Replace the main PCB.

Code: 4F04

Description:

The new toner sensor of the toner cartridge (cyan) could not detect a new cartridge properly

Remedy:

• Replace the toner cartridge with a new toner cartridge again.

• If the machine is on the uneven surface, place it on a level surface.

1 High-voltage power supply PCB failure

Replace the high-voltage power supply PCB.

2 Main PCB failure

Replace the main PCB.

Code: 5001

Description:

Number of used pages for the PF kit MP has reached the upper limit. (Printing does not stop.)

Remedy:

1 End of life of the PF kit MP

Replace the PF kit MP. Refer to “Reset counters for consumable parts (Function code 88)” to reset the PF kit MP counter after the replacement.

2 If the error display is not cleared after the PF kit MP counter has been reset, the main PCB is faulty.

Replace the main PCB.

Code: 5002

Description:

Number of used pages for the PF kit 1 has reached the upper limit. (Printing does not stop.)

Remedy:

1 End of life of the PF kit 1

Replace the PF kit 1. Refer to “Reset counters for consumable parts (Function code 88)” in to reset the PF kit 1 counter after the replacement.

2 If the error display is not cleared after the PF kit 1 counter has been reset, the main PCB is faulty.

Replace the main PCB.

Code: 6001

Description:

The top cover sensor detected that the top cover was open.

Remedy:

• Close the top cover.

1 Connection failure of the HVPS harness

Reconnect the HVPS harness.

2 Main PCB failure

Replace the main PCB.

Code: 6004

Description:

The eject sensor detected that the fuser cover was open.

Remedy:

• Close the fuser cover.

1 Eject actuator coming off or caught in some sections of the machine Reattach the eject actuator.

2 Fuser cover attachment failure Reattach the fuser cover.

3 Connection failure of the eject sensor harness Reconnect the eject sensor harness.

4 Eject sensor PCB failure Replace the eject sensor PCB.

5 Main PCB failure Replace the main PCB.

Code: 6101

Description:

Developing terminal voltage detected that the toner cartridge (black) was not installed.

Remedy:

• Set the toner cartridge correctly.

1 Dirt on the developing terminal of the machine

Clean the developing terminal of the machine.

2 High-voltage power supply PCB failure

Replace the high-voltage power supply PCB.

3 Main PCB failure

Replace the main PCB.

Code: 6102

Description:

Developing terminal voltage detected that the toner cartridge (yellow) was not installed.

Remedy:

• Set the toner cartridge correctly.

1 Dirt on the developing terminal of the machine

Clean the developing terminal of the machine.

2 High-voltage power supply PCB failure

Replace the high-voltage power supply PCB.

3 Main PCB failure

Replace the main PCB.

Code: 6103

Description:

Developing terminal voltage detected that the toner cartridge (magenta) was not installed.

Remedy:

• Set the toner cartridge correctly.

1 Dirt on the developing terminal of the machine

Clean the developing terminal of the machine.

2 High-voltage power supply PCB failure

Replace the high-voltage power supply PCB.

3 Main PCB failure

Replace the main PCB.

Code: 6104

Description:

Developing terminal voltage detected that the toner cartridge (cyan) was not installed.

Remedy:

• Set the toner cartridge correctly.

1 Dirt on the developing terminal of the machine

Clean the developing terminal of the machine.

2 High-voltage power supply PCB failure

Replace the high-voltage power supply PCB.

3 Main PCB failure

Replace the main PCB.

Code: 6201

Description:

GRID terminal signal detected that the black drum unit was not installed.

Remedy:

• Set the drum unit correctly.

1 Dirt on the electrified (corona wire) terminals or GRID terminals of the drum unit and those of the machine

Clean the electrified (corona wire) terminals or GRID terminals of the drum unit and those of the machine.

2 Dirt on the high-voltage power supply PCB terminal

Clean the high-voltage power supply PCB terminal.

3 High-voltage power supply PCB failure

Replace the high-voltage power supply PCB.

4 Main PCB failure

Replace the main PCB.

Code: 6202

Description:

GRID terminal signal detected that the yellow drum unit was not installed.

Remedy:

• Set the drum unit correctly.

1 Dirt on the electrified (corona wire) terminals or GRID terminals of the drum unit and those of the machine

Clean the electrified (corona wire) terminals or GRID terminals of the drum unit and those of the machine.

2 Dirt on the high-voltage power supply PCB terminal

Clean the high-voltage power supply PCB terminal.

3 High-voltage power supply PCB failure

Replace the high-voltage power supply PCB.

4 Main PCB failure

Replace the main PCB.

Code: 6203

Description:

GRID terminal signal detected that the magenta drum unit was not installed.

Remedy:

• Set the drum unit correctly.

1 Dirt on the electrified (corona wire) terminals or GRID terminals of the drum unit and those of the machine

Clean the electrified (corona wire) terminals or GRID terminals of the drum unit and those of the machine.

2 Dirt on the high-voltage power supply PCB terminal

Clean the high-voltage power supply PCB terminal.

3 High-voltage power supply PCB failure

Replace the high-voltage power supply PCB.

4 Main PCB failure

Replace the main PCB.

Code: 6204

Description:

GRID terminal signal detected that the cyan drum unit was not installed.

Remedy:

• Set the drum unit correctly.

1 Dirt on the electrified (corona wire) terminals or GRID terminals of the drum unit and those of the machine

Clean the electrified (corona wire) terminals or GRID terminals of the drum unit and those of the machine.

2 Dirt on the high-voltage power supply PCB terminal

Clean the high-voltage power supply PCB terminal.

3 High-voltage power supply PCB failure

Replace the high-voltage power supply PCB.

4 Main PCB failure

Replace the main PCB.

Code: 620A

Description:

Electrified terminal or GRID terminal signal detected that the black drum was not installed when the machine was turned ON.

Remedy:

• Set the drum unit correctly.

1 Dirt on the electrified (corona wire) terminals or GRID terminals of the drum unit and those of the machine

Clean the electrified (corona wire) terminals or GRID terminals of the drum unit and those of the machine.

2 Dirt on the high-voltage power supply PCB terminal

Clean the high-voltage power supply PCB terminal.

3 High-voltage power supply PCB failure

Replace the high-voltage power supply PCB.

4 Main PCB failure

Replace the main PCB.

Code: 620B

Description:

Electrified terminal or GRID terminal signal detected that the yellow drum was not installed when the machine was turned ON.

Remedy:

• Set the drum unit correctly.

1 Dirt on the electrified (corona wire) terminals or GRID terminals of the drum unit and those of the machine

Clean the electrified (corona wire) terminals or GRID terminals of the drum unit and those of the machine.

2 Dirt on the high-voltage power supply PCB terminal

Clean the high-voltage power supply PCB terminal.

3 High-voltage power supply PCB failure

Replace the high-voltage power supply PCB.

4 Main PCB failure

Replace the main PCB.

Code: 620C

Description:

Electrified terminal or GRID terminal signal detected that the magenta drum was not installed when the machine was turned ON.

Remedy:

• Set the drum unit correctly.

1 Dirt on the electrified (corona wire) terminals or GRID terminals of the drum unit and those of the machine

Clean the electrified (corona wire) terminals or GRID terminals of the drum unit and those of the machine.

2 Dirt on the high-voltage power supply PCB terminal

Clean the high-voltage power supply PCB terminal.

3 High-voltage power supply PCB failure

Replace the high-voltage power supply PCB.

4 Main PCB failure

Replace the main PCB.

Code: 620D

Description:

Electrified terminal or GRID terminal signal detected that the cyan drum was not installed when the machine was turned ON.

Remedy:

• Set the drum unit correctly.

1 Dirt on the electrified (corona wire) terminals or GRID terminals of the drum unit and those of the machine

Clean the electrified (corona wire) terminals or GRID terminals of the drum unit and those of the machine.

2 Dirt on the high-voltage power supply PCB terminal

Clean the high-voltage power supply PCB terminal.

3 High-voltage power supply PCB failure

Replace the high-voltage power supply PCB.

4 Main PCB failure

Replace the main PCB.

Code: 6300

Description:

The electrodes of the high-voltage power supply PCB detected that no waste toner box was set.

Remedy:

• Re-insert the waste toner box in the correct position.

1 Dirt on the electrodes of the waste toner box and those of the machine

Clean the electrodes of the waste toner box and those of the machine.

2 High-voltage power supply PCB failure

Replace the high-voltage power supply PCB.

3 Main PCB failure

Replace the main PCB.

Code: 6400

Description:

The registration mark sensor detected that no belt unit was set.

Remedy:

• Re-insert the belt unit.

1 Connection failure of the registration mark sensor L harness

Reconnect the registration mark sensor L harness.

2 Registration mark sensor L PCB failure

Replace the registration mark sensor L PCB.

3 Main PCB failure

Replace the main PCB.

Code: 6801

Description:

The internal temperature sensor detected a temperature higher than the specified value.

Remedy:

• Lower the room temperature.

• Keep the machine away from heating appliances.

• Check that the fan is not clogged.

1 Connection failure of the internal temperature sensor harness

Reconnect the internal temperature sensor harness.

2 Main PCB failure

Replace the main PCB.

Code: 6901

Description:

Some fuser unit errors occurred at power-ON or upon recovery from sleep mode.

Remedy:

1 Connection failure of a fuser unit harness Reconnect the fuser unit harness.

2 Connection failure of the eject sensor harness Reconnect the eject sensor harness.

3 Fuser unit failure Replace the fuser unit.

4 Eject sensor PCB failure Replace the eject sensor PCB.

5 Low-voltage power supply PCB failure Replace the low-voltage power supply PCB.

6 Main PCB failure Replace the main PCB.

Note:

• Turn OFF the power switch. After the fuser unit has cooled sufficiently, turn ON the power switch again and leave the machine for 15 minutes. This problem may then be cleared.

• To release the fuser unit error after taking appropriate measures, enter the maintenance mode once and quit it with the function code 99.

Code: 6902

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 a fuser unit harness Reconnect the fuser unit harness.

2 Connection failure of the eject sensor harness Reconnect the eject sensor harness.

3 Fuser unit failure Replace the fuser unit.

4 Eject sensor PCB failure Replace the eject sensor PCB.

5 Low-voltage power supply PCB failure Replace the low-voltage power supply PCB.

6 Main PCB failure Replace the main PCB.

Note:

• Turn OFF the power switch. After the fuser unit has cooled sufficiently, turn ON the power switch again and leave the machine for 15 minutes. This problem may then be cleared.

• To release the fuser unit error after taking appropriate measures, enter the maintenance mode once and quit it with the function code 99.

Code: 6A00

Description:

Electric discharge that may be caused by dirt on the corona wire of the drum unit was detected.

Remedy:

• Slide the green tab of each drum unit to left and right for two to three times to clean the corona wire.

• Clean the electrode of each drum unit.

• Replace each drum unit.

1 Dirt on the GRID terminals of the machine Clean the GRID terminals of the machine.

2 Dirt on the high-voltage power supply PCB terminal Clean the high-voltage power supply PCB terminal.

3 High-voltage power supply PCB failure Replace the high-voltage power supply PCB.

4 Main PCB failure Replace the main PCB.

Code: 6B01

Description:

Electric discharge was detected when the number of the black drum unit rotations had become more than twice of the upper limit.

Remedy:

• Slide the green tab of each drum unit to left and right for two to three times to clean the corona wire.

• Clean the electrode of each drum unit.

• Replace each drum unit.

1 Dirt on the GRID terminals of the machine Clean the GRID terminals of the machine.

2 Dirt on the high-voltage power supply PCB terminal Clean the high-voltage power supply PCB terminal.

3 High-voltage power supply PCB failure Replace the high-voltage power supply PCB.

4 Main PCB failure Replace the main PCB.

Code: 6B02

Description:

Electric discharge was detected when the number of the yellow drum unit rotations had become more than twice of the upper limit.

Remedy:

• Slide the green tab of each drum unit to left and right for two to three times to clean the corona wire.

• Clean the electrode of each drum unit.

• Replace each drum unit.

1 Dirt on the GRID terminals of the machine Clean the GRID terminals of the machine.

2 Dirt on the high-voltage power supply PCB terminal Clean the high-voltage power supply PCB terminal.

3 High-voltage power supply PCB failure Replace the high-voltage power supply PCB.

4 Main PCB failure Replace the main PCB.

Code: 6B03

Description:

Electric discharge was detected when the number of the magenta drum unit rotations had become more than twice of the upper limit.

Remedy:

• Slide the green tab of each drum unit to left and right for two to three times to clean the corona wire.

• Clean the electrode of each drum unit.

• Replace each drum unit.

1 Dirt on the GRID terminals of the machine Clean the GRID terminals of the machine.

2 Dirt on the high-voltage power supply PCB terminal Clean the high-voltage power supply PCB terminal.

3 High-voltage power supply PCB failure Replace the high-voltage power supply PCB.

4 Main PCB failure Replace the main PCB.

Code: 6B04

Description:

Electric discharge was detected when the number of the cyan drum unit rotations had become more than twice of the upper limit.

Remedy:

• Slide the green tab of each drum unit to left and right for two to three times to clean the corona wire.

• Clean the electrode of each drum unit.

• Replace each drum unit.

1 Dirt on the GRID terminals of the machine Clean the GRID terminals of the machine.

2 Dirt on the high-voltage power supply PCB terminal Clean the high-voltage power supply PCB terminal.

3 High-voltage power supply PCB failure Replace the high-voltage power supply PCB.

4 Main PCB failure Replace the main PCB.

Code: 6E00

Description:

The develop release sensor detected the develop roller disengagement or engagement failure.

Remedy:

1 Develop release clutch attachment failure Refer to “P3-105 Assembling Note” to assemble the develop release clutch.

2 Connection failure of the develop release sensor harness Reconnect the develop release sensor harness.

3 Develop release sensor failure Replace the develop release sensor PCB.

4 Develop release clutch failure Replace the process drive unit.

5 Main PCB failure Replace the main PCB.

Code: 6F00

Description:

Detected that supply power is unstable (less than 100 times).

Remedy:

• Turn the power switch OFF and then back ON again.

• Use a noise filter on the power supply.

1 The power supply waveform is incorrect

Install a voltage stabilizer in the power supply part.

Code: 7000

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 the machine Remove the foreign object.

2 Eject actuator coming off or caught in some sections of the machine Reattach the eject actuator.

3 Fuser cover attachment failure Reattach the fuser cover.

4 Connection failure of the eject sensor harness Reconnect the eject sensor harness.

5 Damaged fuser drive gear Z25 Replace the fuser drive gear Z25.

6 Damaged gears in the process drive system Replace the process drive unit.

7 Damaged gears in the paper feed drive unit Replace the paper feed drive unit.

8 Eject sensor failure Replace the eject sensor PCB.

9 Fuser unit failure Replace the fuser unit.

10 Main PCB failure Replace the main PCB.

Code: 7100

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:

• Remove the jammed paper.

• Check if the back cover is open during 2-sided printing.

1 Foreign object in the rear of the machine Remove the foreign object.

2 Eject actuator caught in some sections of the machine Reattach the eject actuator.

3 Fuser cover attachment failure Reattach the fuser cover.

4 Back cover attachment failure Reattach the back cover.

5 Eject sensor failure Replace the eject sensor PCB.

6 Back cover failure Replace the back cover.

7 Paper eject ASSY failure Replace the paper eject ASSY.

8 Damaged gears in the paper feed drive unit Replace the paper feed drive unit.

9 Fuser unit failure Replace the fuser unit.

10 Main PCB failure Replace the main PCB.

Code: 7200

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:

• Remove the jammed paper.

• Add the paper properly using the MP tray paper guide.

• 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.

• Close the top cover correctly.

• Check if the machine is used with the MP tray support and MP flap are in closed state.

1 Foreign object in the rear of the machine Remove the foreign object.

2 Registration rear actuator coming off or caught in some sections of the machine Reattach the registration rear actuator.

3 Connection failure of the manual feed paper empty/regist rear/ regist front sensor harness Reconnect the manual feed paper empty/ regist rear/regist front sensor harness.

4 MP unit attachment failure Reattach the MP unit.

5 MP separation pad worn out Replace the PF kit MP.

6 Registration rear sensor failure Replace the paper feed unit.

7 Damaged gears in the paper feed drive unit Replace the paper feed drive unit.

8 Main PCB failure Replace the main PCB.

Code: 7302

Description:

When printing from the T1, the registration front sensor does not detect paper pass within the specified time after the T1 paper feed sensor detected paper pass.

Remedy:

• Remove the jammed paper.

• Add the paper properly using the T1 paper guide.

1 Foreign object in the front of the machine Remove the foreign object.

2 Registration front actuator attachment failure Reattach the registration front actuator.

3 Connection failure of the manual feed paper empty/regist rear/ regist front sensor harness Reconnect the manual feed paper empty/ regist rear/regist front sensor harness.

4 Manual feed paper empty/regist rear/regist front sensor PCB failure Replace the paper feed unit.

5 Damaged gears in the paper feed drive unit Replace the paper feed drive unit.

6 Main PCB failure Replace the main PCB.

Code: 7800

Description:

After the first side is printed in 2-sided printing, the registration front sensor does not detect paper pass after a set period of time.

Remedy:

• Remove the jammed paper.

• Close the back cover correctly.

1 Foreign object in the rear of the machine or duplex tray Remove the foreign object.

2 Connection failure of the duplex clutch harness Reconnect the duplex clutch harness.

3 Duplex clutch failure Replace the paper feed unit.

4 Paper eject roller failure Replace the paper eject ASSY.

5 Duplex unit failure Replace the duplex unit.

6 Main PCB failure Replace the main PCB.

Code: 7900

Description:

When feeding from the manual feed slot, the registration rear sensor does not detect the paper pass within the specified time after the manual feed paper empty sensor detected the paper pass. Or the registration rear sensor detected the paper pass within the specified time after the manual feed paper empty sensor detected the paper pass.

Remedy:

• Remove the jammed paper.

• Set the paper individually in the manual feed slot.

1 Foreign object in the rear of the machine or manual feed slot Remove the foreign object.

2 Manual feed cover ASSY attachment failure Reattach the manual feed cover ASSY.

3 Registration rear actuator attachment failure Reattach the registration rear actuator.

4 Connection failure of the manual feed paper empty/regist rear/ regist front sensor harness Reconnect the manual feed paper empty/ regist rear/regist front sensor harness.

5 Manual feed paper empty/regist rear/regist front sensor PCB failure Replace the paper feed unit.

6 Main PCB failure Replace the main PCB.

Code: 8501

Description:

The T1 paper feed sensor detected that the T1 is open when printing from the T1 (before the registration of printing in the engine).

Remedy:

• Close the T1 correctly.

1 T1 paper feed actuator coming off or caught in some sections of the machine

Reattach the T1 paper feed actuator.

2 T1 paper feed sensor failure

Replace the paper feed unit.

3 Main PCB failure

Replace the main PCB.

Code: 8505

Description:

The T1 paper feed sensor detected that the T1 is open when printing from the T1 (after the registration of printing in the engine).

Remedy:

• Close the T1 correctly.

1 Main PCB failure

Replace the main PCB.

Code: 8903

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 correctly.

1 Connection failure of the back cover sensor harness Reconnect the back cover sensor harness.

2 Back cover sensor attachment failure Reattach the back cover sensor.

3 Breakage of boss that presses the back cover sensor Replace the back cover.

4 Main PCB failure Replace the main PCB.

Code: 8904

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 correctly.

1 Connection failure of the back cover sensor harness Reconnect the back cover sensor harness.

2 Back cover sensor attachment failure Reattach the back cover sensor.

3 Breakage of boss that presses the back cover sensor Replace the back cover.

4 Main PCB failure Replace the main PCB.

Code: 8A01

Description:

The registration rear sensor detected that the paper fed was smaller or larger than the specified size in 2-sided printing.

Remedy:

<User Check> • Use specified paper.

1 Registration rear actuator caught in some sections of the machine Reattach the registration rear actuator.

2 Registration rear sensor failure Replace the paper feed unit.

3 Main PCB failure Replace the main PCB.

Code: 8C00

Description:

There is no paper in the manual feed slot when printing from the manual feed slot.

Remedy:

<User Check> • Load paper to the manual feed slot.

1 Manual feed actuator caught in some sections of the machine Reattach the manual feed actuator.

2 Connection failure of the manual feed paper empty/regist rear/ regist front sensor harness Reconnect the manual feed paper empty/ regist rear/regist front sensor harness.

3 Manual feed paper empty sensor failure Replace the paper feed unit.

4 Main PCB failure Replace the main PCB.

Code: 8D01

Description:

The registration rear sensor detected that the paper loaded in the T1 was smaller than the specified size.

Remedy:

• 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 in some sections of the machine Reattach the registration rear actuator.

2 Registration rear sensor failure Replace the paper feed unit.

3 Main PCB failure Replace the main PCB.

Code: 8D02

Description:

The paper size indicated for printing data while the back cover is closed was under the specified value.

Remedy:

<User Check> • Length of the paper is 114 mm or more.

1 Registration rear actuator caught in some sections of the machine

Reattach the registration rear actuator.

2 Registration rear sensor failure

Replace the paper feed unit.

3 Main PCB failure

Replace the main PCB.

Code: 8E01

Description:

Paper size is not set to the specified size when receiving fax.

Remedy:

• Set the paper size to A4 or Letter-size in the machine.

1 Main PCB failure

Replace the main PCB.

Code: 8E02

Description:

Detected that the size of paper set in the T1 was over 10 mm shorter than letter size during receiving fax data or printing a list or report.

Remedy:

• Set A4 or Letter-size paper

1 Registration rear actuator caught in some sections of the machine

Reattach the registration rear actuator.

2 Registration rear sensor failure

Replace the paper feed unit.

3 Main PCB failure

Replace the main PCB.

Code: 9001

Description:

The size of paper loaded in the MP tray and the one specified from the driver are not same when printing from the MP tray.

Remedy:

• Change the driver setting to be matched with the size of the paper set in the paper tray.

1 Registration rear actuator caught in some sections of the machine

Reattach the registration rear actuator.

2 Registration rear sensor failure

Replace the paper feed unit.

3 Main PCB failure Replace the main PCB.

Code: 9701

Description:

For 2-sided printing, paper size setting of the printer driver that was not supported by 2-sided printing was selected.

Remedy:

• Select the specified paper size in the driver and set paper with the same size to the specified T1.

1 Main PCB failure

Replace the main PCB.

Code: 9702

Description:

When printing from the T1, the size of paper specified from the driver set the size which was not supported by the T1.

Remedy:

• Select the specified paper size in the driver and set paper with the same size to the specified T1.

1 Main PCB failure

Replace the main PCB.

Code: 9801

Description:

An error occurred with the value measured during color density adjustment performed from the control panel.

Remedy:

• 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 If failure occurs when printing “K/W/Y/M/ C” in “Function code 71”, refer to “Troubleshooting for Image Defects” and take a measure.

3 Connection failure of the registration mark sensor L harness Reconnect the registration mark sensor L harness.

4 Density sensor failure Replace the registration mark sensor L PCB.

5 Main PCB failure Replace the main PCB.

Code: 9802

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:

• Replace the corresponding toner cartridge.

1 Main PCB failure

Replace the main PCB.

Code: 9803

Description:

Density patch measurement ended unsuccessfully during color density adjustment performed from the control panel.

Remedy:

• 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 If failure occurs when printing “K/W/Y/M/ C” in “Function code 71”, refer to “Troubleshooting for Image Defects” and take a measure.

3 Connection failure of the registration mark sensor L harness Reconnect the registration mark sensor L harness.

4 Density sensor failure Replace the registration mark sensor L PCB.

5 Main PCB failure Replace the main PCB.

Code: 9804

Description:

An error occurred with the value measured during density sensor sensitivity calibration.

Remedy:

• 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 If failure occurs when printing “K/W/Y/M/ C” in “Function code 71”, refer to “Troubleshooting for Image Defects” and take a measure.

3 Connection failure of the registration mark sensor L harness Reconnect the registration mark sensor L harness.

4 Density sensor failure Replace the registration mark sensor L PCB.

5 Main PCB failure Replace the main PCB.

Code: 9901

Description:

An error occurred with the value measured during manual color registration performed from the control panel.

Remedy:

• 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 / registration mark sensor R harness Reconnect the registration mark sensor L / registration mark sensor R harness.

3 Failure in printed measurement If failure occurs when printing “K/W/Y/M/ C” in “Function code 71”, refer to “Troubleshooting for Image Defects” and take a measure.

4 Registration mark sensor L or registration mark sensor R failure Replace the registration mark sensor ASSY.

5 Main PCB failure Replace the main PCB.

Code: 9902

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:

• Replace the corresponding toner cartridge.

1 Main PCB failure

Replace the main PCB.

Code: 9903

Description:

An error occurred during patch data printing in manual color registration performed from the control panel.

Remedy:

• 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 / registration mark sensor R harness Reconnect the registration mark sensor L / registration mark sensor R harness.

3 Failure in printed measurement If failure occurs when printing “K/W/Y/M/ C” in “Function code 71”, refer to “Troubleshooting for Image Defects” and take a measure.

4 Registration mark sensor L or registration mark sensor R failure Replace the registration mark sensor ASSY.

5 Main PCB failure Replace the main PCB.

Code: 9A01

Description:

An error occurred with the value measured during auto color registration performed from the control panel.

Remedy:

• 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 / registration mark sensor R harness Reconnect the registration mark sensor L / registration mark sensor R harness.

3 Failure in printed measurement If failure occurs when printing “K/W/Y/M/ C” in “Function code 71”, refer to “Troubleshooting for Image Defects” and take a measure.

4 Registration mark sensor L or registration mark sensor R failure Replace the registration mark sensor ASSY.

5 Main PCB failure Replace the main PCB.

Code: 9A02

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:

• Replace the corresponding toner cartridge.

1 Main PCB failure

Replace the main PCB.

Code: 9A03

Description:

An error occurred during patch data printing in auto color registration performed from the control panel.

Remedy:

• 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 / registration mark sensor R harness Reconnect the registration mark sensor L / registration mark sensor R harness.

3 Failure in printed measurement If failure occurs when printing “K/W/Y/M/ C” in “Function code 71”, refer to “Troubleshooting for Image Defects” and take a measure.

4 Registration mark sensor L or registration mark sensor R failure Replace the registration mark sensor ASSY.

5 Main PCB failure Replace the main PCB.

Code: A000

Description:

Image processing was not completed correctly because the number of pixels required for image processing is insufficient in the scanned second side data.

Remedy:

1 Incorrect correction data for second side CIS unit

Execute “Set CIS scan area (Function code 55)”.

2 Second side CIS unit failure

Replace the second side CIS unit.

3 Main PCB failure

Replace the main PCB.

Code: A200

Description:

The document scanning position sensor detected that the document length was 90 cm or more during the one-side scanning.

Remedy:

• Use the paper less than A4 size.

• Remove the jammed document.

1 Document scanning position actuator caught in some sections of the machine

Reattach the document scanning position actuator.

2 Document scanning position sensor failure

Replace the document scanning position sensor PCB.

3 Main PCB failure

Replace the main PCB.

Code: A300

Description:

The document scanning position sensor has not detected the document passing even after the document has been fed for the specified time.

Remedy:

• Adjust the document guide to suit the document size.

• Remove the jammed document.

1 Foreign object inside the ADF Remove the foreign objects inside the ADF.

2 Document scanning position actuator caught in some sections of the machine Reattach the document scanning position actuator.

3 Connection failure of the document scanning position sensor harness Reconnect the document scanning position sensor harness.

4 Document scanning position sensor failure Replace the document scanning position sensor PCB.

5 Main PCB failure Replace the main PCB.

Code: A400

Description:

The ADF cover sensor detected that the ADF cover was open.

Remedy:

<User Check> • Close the ADF cover correctly.

1 ADF cover actuator caught in some sections of the machine Reattach the ADF cover actuator.

2 ADF cove sensor attachment failure Reattach the ADF cover sensor.

3 ADF cover attachment failure Reattach the ADF cover.

4 Connection failure of the ADF cover sensor harness. Reconnect the ADF cover sensor harness.

5 Damage of the ADF cover Replace the ADF cover.

6 ADF cover sensor failure Replace the ADF unit.

7 Main PCB failure Replace the main PCB.

Code: A500

Description:

When scanning the fax, white or black correction data for the first side CIS unit was not within the correct range (first time).

Remedy:

1 Incorrect correction data for first side CIS unit

Execute “Acquire white level data (Function code 55)”.

2 Damaged first side CIS flat cable

Replace the first side CIS flat cable.

3 First side CIS unit failure

Replace the first side CIS unit.

4 White tape failure

Replace the document scanner unit.

5 Main PCB failure

Replace the main PCB.

Code: A600

Description:

When scanning the fax, white or black correction data for the first side CIS unit was not within the correct range (second time).

Remedy:

1 Incorrect correction data for first side CIS unit

Execute “Acquire white level data (Function code 55)”.

2 Damaged first side CIS flat cable

Replace the first side CIS flat cable.

3 First side CIS unit failure

Replace the first side CIS unit.

4 White tape failure

Replace the document scanner unit.

5 Main PCB failure

Replace the main PCB.

Code: A700

Description:

Color parameter in the ROM does not match the first side or second side CIS.

Remedy:

1 Incorrect correction data for first side or second side CIS unit

Execute “Set CIS scan area (Function code 55)”.

2 Damaged first side CIS flat cable

Replace the first side CIS flat cable.

3 Damaged second side CIS flat cable

Replace the second side CIS flat cable.

4 First side CIS unit failure

Replace the first side CIS unit.

5 Second side CIS unit failure

Replace the second side CIS unit.

6 Main PCB failure

Replace the main PCB.

Code: A900

Description:

A scanning error occurred while processing the scanned image.

Remedy:

1 Incorrect correction data for first side or second side CIS unit

Execute “Set CIS scan area (Function code 55)”.

2 Damaged first side CIS flat cable

Replace the first side CIS flat cable.

3 Damaged second side CIS flat cable

Replace the second side CIS flat cable.

4 First side CIS unit failure

Replace the first side CIS unit.

5 Second side CIS unit failure

Replace the second side CIS unit.

6 Main PCB failure

Replace the main PCB.

Code: AC00

Description:

When scanning the fax, white or black correction data for the second side CIS was not within the correct range (first time).

Remedy:

1 Incorrect correction data for second side CIS unit

Execute “Acquire white level data (Function code 55)”.

2 Dirt on the white tape on the second side document hold

Clean the white tape on the second side document hold.

3 Damaged second side CIS flat cable

Replace the second side CIS flat cable.

4 Second side CIS unit failure

Replace the second side CIS unit.

5 White tape failure

Replace the ADF unit.

6 Main PCB failure

Replace the main PCB.

Code: AD00

Description:

Image processing cannot be completed correctly because the number of pixels required for image processing is insufficient in the scanned first side data.

Remedy:

1 Incorrect correction data for first side CIS unit

Execute “Set CIS scan area (Function code 55)”.

2 Connection failure of the first side CIS flat cable

Reconnect the first side CIS flat cable.

3 First side CIS unit failure

Replace the first side CIS unit.

4 White tape failure

Replace the document scanner unit.

5 Main PCB failure

Replace the main PCB.

Code: AF00

Description:

Home position is still being detected even after the first side CIS unit was moved.

Remedy:

1 Dust on the CIS guide shaft Remove the dust on the CIS guide shaft.

2 CIS drive belt coming off Reattach the CIS drive belt.

3 Wrong wiring of the first side CIS flat cable Reattach the first side CIS flat cable.

4 Connection failure of the FB motor harness Reconnect the FB motor harness.

5 Damaged first side CIS flat cable Replace the first side CIS flat cable.

6 First side CIS unit failure Replace the first side CIS unit.

7 FB motor failure Replace the document scanner unit.

8 Main PCB failure Replace the main PCB.

Code: B000

Description:

Detected that the first side CIS flat cable or second side CIS flat cable was not inserted correctly when function code 55 was executed.

Remedy:

1 Connection failure of the first side CIS flat cable Reconnect the first side CIS flat cable.

2 Connection failure of the second side CIS flat cable Reconnect the second side CIS flat cable.

3 Damaged first side CIS flat cable Replace the first side CIS flat cable.

4 Damaged second side CIS flat cable Replace the second side CIS flat cable.

5 First side CIS unit failure Replace the first side CIS unit.

6 Second side CIS unit failure Replace the second side CIS unit.

7 Main PCB failure Replace the main PCB.

Code: BB00

Description:

A white level not within the standard was scanned when function code 55 was executed.

Remedy:

1 Dirt on the second side document hold Clean the second side document hold.

2 First side CIS unit failure Replace the first side CIS unit.

3 Second side CIS unit failure Replace the second side CIS unit.

4 Second side document hold failure Replace the ADF unit.

5 White tape failure Replace the document scanner unit.

6 Main PCB failure Replace the main PCB.

Code: BC00

Description:

When scanning the fax, white or black correction data for the second side CIS was not within the correct range (second time).

Remedy:

1 Incorrect correction data for second side CIS unit Execute “Acquire white level data (Function code 55)”.

2 Dirt on the white tape on the second side document hold Clean the white tape on the second side document hold.

3 Damaged second side CIS flat cable Replace the second side CIS flat cable.

4 Second side CIS unit failure Replace the second side CIS unit.

5 White tape failure Replace the ADF unit.

6 Main PCB failure Replace the main PCB.

Code: BD00

Description:

A black level not within the standard was scanned when function code 55 was executed.

Remedy:

1 Dirt on the second side document hold Clean the second side document hold.

2 First side CIS unit failure Replace the first side CIS unit.

3 Second side CIS unit failure Replace the second side CIS unit.

4 Second side document hold failure Replace the ADF unit.

5 White tape failure Replace the document scanner unit.

6 Main PCB failure Replace the main PCB.

Code: BF00

Description:

The document scanning position sensor detected that the document length was 400 mm or longer and could not be fed to ADF (double-side restoration).

Remedy:

• Set the specified size paper.

1 Document scanning position actuator caught in some sections of the machine

Reattach the document scanning position actuator.

2 Document scanning position sensor failure

Replace the document scanning position sensor PCB.

3 Main PCB failure

Replace the main PCB.

Code: C001

Description:

Timeout occurred with access request sent to server due to incorrect server address, network disconnection, or inactive server.

Remedy:

• Refer to the online User’s Guide to set the network again.

• Check the LAN cable routing.

• 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.

3 Main PCB failure

Replace the main PCB.

Code: C002

Description:

User authentication is unavailable due to incorrect user name, incorrect password, or asynchronous date and time between the machine and server.

Remedy:

• Refer to the online User’s Guide to set the network again.

• Check the LAN cable routing.

• 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.

3 Main PCB failure

Replace the main PCB.

Code: C003

Description:

Cannot access to the file because the directory name is wrong, writing into directory is not permitted, or writing into file is locked or not permitted.

Remedy:

• Refer to the online User’s Guide to set the network again.

• Check the LAN cable routing.

• 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.

3 Main PCB failure

Replace the main PCB.

Code: C004

Description:

Cannot acquire current time which is required for user authentication because the time has not been acquired.

Remedy:

• Refer to the online User’s Guide to set the network again.

• Check the LAN cable routing.

• 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.

3 Main PCB failure

Replace the main PCB.

Code: C100

Description:

Failed to save data to a USB flash memory when the USB DUMP was running.

Remedy:

• Check that there is enough space in the USB flash memory.

• Replace the USB flash memory.

1 Connection failure of the USB host harness

Reconnect the USB host harness.

2 USB host PCB failure

Replace the USB host PCB.

3 Main PCB failure

Replace the main PCB.

Code: C700

Description:

The memory is insufficient to expand the data of PC-Print.

Remedy:

• Print the print data stored in the memory.

• Divide the print data and print them separately.

• Organize data inside the storage memory.

1 Main PCB failure

Replace the main PCB.

Code: C800

Description:

The memory used to store secure print data exceeded the memory size for secure print data.

Remedy:

• Print the print data stored in the memory.

• Divide the print data and print them separately.

• Organize data inside the storage memory.

1 Main PCB failure

Replace the main PCB.

Code: C900

Description:

Storage memory was full and data could not be saved.

Remedy:

• Print the print data stored in the memory.

• Divide the print data and print them separately.

• Organize data inside the storage memory.

1 Main PCB failure

Replace the main PCB.

Code: D100

Description:

An error occurred while initializing the modem.

Remedy:

1 Connection failure of the modem flat cable

Reconnect the modem flat cable.

2 Modem flat cable failure

Replace the modem flat cable.

3 Modem PCB failure

Replace the modem PCB.

4 Main PCB failure

Replace the main PCB.

Code: D200

Description:

Detected that the modem PCB is not connected.

Remedy:

1 Connection failure of the modem flat cable

Reconnect the modem flat cable.

2 Modem flat cable failure

Replace the modem flat cable.

3 Modem PCB failure

Replace the modem PCB.

4 Main PCB failure

Replace the main PCB.

Code: D800

Description:

An error occurred while initializing the touch panel.

Remedy:

1 Connection failure of the panel flat cable

Reconnect the panel flat cable.

2 Touch panel ASSY failure

Replace the touch panel ASSY.

3 Panel PCB failure

Replace the panel PCB.

4 Main PCB failure

Replace the main PCB.

Code: DB00

Description:

A communication error occurred between the main ASIC and the recording ASIC.

Remedy:

• Install the latest main firmware.

1 Main PCB failure

Replace the main PCB.

Code: E000

Description:

An error occurred in the ROM check sum.

Remedy:

• Install the latest main firmware.

1 Main PCB failure

Replace the main PCB.

Code: E100

Description:

Program error

Remedy:

• Install the latest main firmware.

1 Main PCB failure

Replace the main PCB.

Code: E500

Description:

An error occurred during access to the DRAM in the main PCB.

Remedy:

1 Main PCB failure

Replace the main PCB.

Code: E600

Description:

Write error in the EEPROM of the main PCB

Remedy:

1 Main PCB failure

Replace the main PCB.

Code: E701

Description:

System error in the flash ROM

Remedy:

1 Main PCB failure

Replace the main PCB.

Code: E702

Description:

Read error in the flash ROM

Remedy:

1 Main PCB failure

Replace the main PCB.

Code: E900

Description:

An error occurred while initializing the NFC.

Remedy:

1 Connection failure of the NFC flat cable

Reconnect the NFC flat cable.

2 NFC PCB failure

Replace the NFC PCB.

3 Main PCB failure

Replace the main PCB.

Code: EC00

Description:

Overcurrent was caused because a USB device that did not meet the specifications was inserted into the USB port.

Remedy:

• Disconnect the USB device from the USB flash memory port and turn the machine OFF. Turn the machine ON again after a while.

• Replace the USB device with a different one.

1 USB host PCB failure

Replace the USB host PCB.

2 Main PCB failure

Replace the main PCB.

Code: F900

Description:

The spec code was not entered correctly.

Remedy:

1 The power was turned OFF while function code 74 was running.

Reenter the spec code. (Refer to “Configure for country/region and model (Function code 74)”.)

2 Main PCB failure

Replace the main PCB.

Header Ads Widget

Brother DCP-L3551CDW Error Codes List - Download Driver Brother DCP-L3551CDW - Brother DCP-L3551CDW

Brother DCP-L3551CDW Buy on Amazon

Download Driver Brother DCP-L3551CDW

Download Service Manuals Brother DCP-L3551CDW