Brother DCP-L2520DW Error Codes List - Download Driver Brother DCP-L2520DW - Brother DCP-L2520DW

 Brother DCP-L2520DW Error Codes List - Download Driver Brother DCP-L2520DW - Brother DCP-L2520DW

Brother DCP-L2520DW Error Codes List - Download Driver Brother DCP-L2520DW - Brother DCP-L2520DW

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Code: 0201

Display:

Print Unable 02 Turn the power off and then back on again.

Description:

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

Remedy:

1 Connection failure of the main motor flat cable Reconnect the main motor flat cable. 2 Connection failure of the LVPS harness Reconnect the LVPS harness. 3 Damaged fuser gear Replace the fuser gear. 4 Main motor failure Replace the main motor. 5 Damaged fuser unit Replace the fuser unit. 6 Low-voltage power supply PCB failure Replace the low-voltage power supply PCB ASSY. 7 Damaged part in motor drive sub ASSY Replace the main frame L ASSY. 8 Main PCB failure Replace the main PCB ASSY.

Code: 0300

Display:

Print Unable 03 Turn the power off and then back on again.

Description:

Cannot detect the lock signal of the polygon motor for the laser unit (second time).

Remedy:

1 Connection failure of the laser unit flat cable Reconnect the laser unit flat cable. 2 Laser unit flat cable failure Replace the laser unit flat cable. 3 Laser unit failure Replace the laser unit. 4 Main PCB failure Replace the main PCB ASSY.

Code: 0305

Display:

Description:

Cannot detect the lock signal of the polygon motor for the laser unit (first time).

Remedy:

1 Connection failure of the laser unit flat cable Reconnect the laser unit flat cable. 2 Laser unit flat cable failure Replace the laser unit flat cable. 3 Laser unit failure Replace the laser unit. 4 Main PCB failure Replace the main PCB ASSY.

Code: 0401

Display:

Print Unable 04 Turn the power off and then back on again.

Description:

Cannot detect the synchronized signal of the polygon motor for the laser unit (second time).

Remedy:

1 Connection failure of the laser unit flat cable Reconnect the laser unit flat cable. 2 Laser unit flat cable failure Replace the laser unit flat cable. 3 Laser unit failure Replace the laser unit. 4 Main PCB failure Replace the main PCB ASSY.

Code: 0405

Display:

Description:

Cannot detect the synchronized signal of the polygon motor for the laser unit (first time).

Remedy:

1 Connection failure of the laser unit flat cable Reconnect the laser unit flat cable. 2 Laser unit flat cable failure Replace the laser unit flat cable. 3 Laser unit failure Replace the laser unit. 4 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 has not reached the specified temperature within the specified time.

Remedy:

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 PCB flat cable Reconnect the eject sensor PCB flat cable. 4 Connection failure of the LVPS harness Reconnect the LVPS 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 ASSY. 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:

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 PCB flat cable Reconnect the eject sensor PCB flat cable. 4 Connection failure of the LVPS harness Reconnect the LVPS 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 ASSY. 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 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 PCB flat cable Reconnect the eject sensor PCB flat cable. 4 Connection failure of the LVPS harness Reconnect the LVPS 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 ASSY. 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 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 PCB flat cable Reconnect the eject sensor PCB flat cable. 4 Connection failure of the LVPS harness Reconnect the LVPS 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 ASSY. 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 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 PCB flat cable Reconnect the eject sensor PCB flat cable. 4 Connection failure of the LVPS harness Reconnect the LVPS 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 ASSY. 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 the specified time. Print Unable 05 Turn the power off and then back on again. <User Check> • Turn OFF the power switch. After several seconds, turn ON the power again and check that this error is reset.

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 PCB flat cable Reconnect the eject sensor PCB flat cable. 4 Connection failure of the LVPS harness Reconnect the LVPS 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 ASSY. 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 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 PCB flat cable Reconnect the eject sensor PCB flat cable. 4 Connection failure of the LVPS harness Reconnect the LVPS 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 ASSY. 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:

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 PCB flat cable Reconnect the eject sensor PCB flat cable. 4 Connection failure of the LVPS harness Reconnect the LVPS 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 ASSY. 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 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 PCB flat cable Reconnect the eject sensor PCB flat cable. 4 Connection failure of the LVPS harness Reconnect the LVPS 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 ASSY. 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 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 PCB flat cable Reconnect the eject sensor PCB flat cable. 4 Connection failure of the LVPS harness Reconnect the LVPS 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 ASSY. 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 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 PCB flat cable Reconnect the eject sensor PCB flat cable. 4 Connection failure of the LVPS harness Reconnect the LVPS 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 ASSY. 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 the specified time. Print Unable 05 Turn the power off and then back on again. <User Check> • Turn OFF the power switch. After several seconds, turn ON the power again and check that this error is reset.

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 PCB flat cable Reconnect the eject sensor PCB flat cable. 4 Connection failure of the LVPS harness Reconnect the LVPS 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 ASSY. 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 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 PCB flat cable Reconnect the eject sensor PCB flat cable. 4 Connection failure of the LVPS harness Reconnect the LVPS 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 ASSY. 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:

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 PCB flat cable Reconnect the eject sensor PCB flat cable. 4 Connection failure of the LVPS harness Reconnect the LVPS 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 ASSY. 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 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 PCB flat cable Reconnect the eject sensor PCB flat cable. 4 Connection failure of the LVPS harness Reconnect the LVPS 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 ASSY. 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 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 PCB flat cable Reconnect the eject sensor PCB flat cable. 4 Connection failure of the LVPS harness Reconnect the LVPS 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 ASSY. 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 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 PCB flat cable Reconnect the eject sensor PCB flat cable. 4 Connection failure of the LVPS harness Reconnect the LVPS 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 ASSY. 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 the specified time. Print Unable 05 Turn the power off and then back on again. <User Check> • Turn OFF the power switch. After several seconds, turn ON the power again and check that this error is reset.

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 PCB flat cable Reconnect the eject sensor PCB flat cable. 4 Connection failure of the LVPS harness Reconnect the LVPS 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 ASSY. 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 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 PCB flat cable Reconnect the eject sensor PCB flat cable. 4 Connection failure of the LVPS harness Reconnect the LVPS 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 ASSY. 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:

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 PCB flat cable Reconnect the eject sensor PCB flat cable. 4 Connection failure of the LVPS harness Reconnect the LVPS 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 ASSY. 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 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 PCB flat cable Reconnect the eject sensor PCB flat cable. 4 Connection failure of the LVPS harness Reconnect the LVPS 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 ASSY. 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 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 PCB flat cable Reconnect the eject sensor PCB flat cable. 4 Connection failure of the LVPS harness Reconnect the LVPS 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 ASSY. 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 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 PCB flat cable Reconnect the eject sensor PCB flat cable. 4 Connection failure of the LVPS harness Reconnect the LVPS 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 ASSY. 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 the specified time. Print Unable 05 Turn the power off and then back on again. <User Check> • Turn OFF the power switch. After several seconds, turn ON the power again and check that this error is reset.

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 PCB flat cable Reconnect the eject sensor PCB flat cable. 4 Connection failure of the LVPS harness Reconnect the LVPS 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 ASSY. 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 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 PCB flat cable Reconnect the eject sensor PCB flat cable. 4 Connection failure of the LVPS harness Reconnect the LVPS 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 ASSY. 8 Main PCB failure Replace the main PCB ASSY.

Code: 6101

Display:

No Toner Open the Front Cover, then install Toner Cartridge.

Description:

The new toner sensor detected that the toner cartridge was not set.

Remedy:

<User Check> • Set the toner cartridge correctly. • Replace the toner cartridge with a new one. 1 New toner actuator coming off Reattach the new toner actuator. 2 Connection failure of the new toner sensor PCB flat cable Reconnect the new toner sensor PCB flat cable. 3 New toner sensor PCB failure Replace the new toner sensor PCB ASSY. 4 Main PCB failure Replace the main PCB ASSY.

Code: 6801

Display:

Cooling Down Wait for a while

Description:

The side thermistor of the fuser unit or the internal temperature sensor detected a temperature higher than the specified value.

Remedy:

<User Check> • Lower the room temperature. • Keep the machine away from heating appliances. 1 Side thermistor failure Replace the fuser unit. 2 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:

An error occurred in the fuser unit when the power switch was turned ON or sleep mode was released.

Remedy:

1 Connection failure of each fuser unit harness Reconnect each harness of the fuser unit. 2 Connection failure of the eject sensor PCB flat cable Reconnect the eject sensor PCB flat cable. 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 ASSY. 6 Main PCB failure Replace the main PCB ASSY. 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

Display:

Self-Diagnostic Will Automatically Restart within 15 minutes.

Description:

Rechecking the error after the power switch was turned OFF and then ON again because an error was detected in the fuser unit. (This message is displayed for approximately 15 minutes when the machine is restarted after error code 6901 has occurred.)

Remedy:

1 Connection failure of each fuser unit harness Reconnect each harness of the fuser unit. 2 Connection failure of the eject sensor PCB flat cable Reconnect the eject sensor PCB flat cable. 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 ASSY. 6 Main PCB failure Replace the main PCB ASSY. 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

Display:

Drum ! Slide the Green tab on Drum Unit.

Description:

Detected discharge that may be attributable to dirty corona wire on the drum unit.

Remedy:

<User Check> • Slide the green tab of the drum unit to left and right for two to three times to clean the corona wire. • Clean the terminal of the drum unit. • Replace the drum unit. 1 Dirt on the high-voltage power supply PCB terminal Clean the electrodes of the machine. 2 High voltage electrodes attachment failure Check if the problem disappears after pressing each electrode. If not, reattach the electrodes. 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: 6F00

Display:

Print Unable ZC Turn the power off and then back on again.

Description:

Detected irregular power supply for less than 100 times.

Remedy:

<User Check> • Turn the power switch OFF and then back ON again. • Put a filter into the power supply. • Install a voltage stabilizer to the power supply unit.

Code: 7000

Display:

Jam Inside Open the Front Cover, pull out the Drum Unit completely and remove the jammed paper.

Description:

The eject sensor does not detect paper pass after the registration rear sensor detected the paper pass.

Remedy:

<User Check> • Remove the jammed paper. 1 Foreign object inside the machine Remove the foreign object. 2 Connection failure of the eject sensor PCB flat cable Reconnect the eject sensor PCB flat cable. 3 Eject actuator coming off or caught in sections of the machine Reattach the eject actuator. 4 Fuser cover attachment failure Reattach the fuser cover. 5 Eject sensor failure Replace the eject sensor PCB ASSY. 6 Fuser unit failure Replace the fuser unit. 7 Damaged gears in the feeding system Replace the main frame L ASSY. 8 Main PCB failure Replace the main PCB ASSY.

Code: 7100

Display:

Jam Rear Open the Back Cover and remove the jammed paper, then press Start.

Description:

The eject sensor remains ON (paper pass detected) even after the registration rear sensor detected the end of paper pass.

Remedy:

<User Check> • Remove the jammed paper. • Check if the back cover is open during duplex printing. 1 Foreign object in the rear of the machine Remove the foreign object. 2 Eject actuator caught in sections of the machine Reattach the eject actuator. 3 Fuser cover attachment failure Reattach the fuser cover. 4 Eject sensor failure Replace the eject sensor PCB ASSY. 5 Fuser unit failure Replace the fuser unit. 6 Damaged gears in the feeding system Replace the main frame L ASSY. 7 Main PCB failure Replace the main PCB ASSY.

Code: 7300

Display:

Jam Tray Remove the jammed paper from Tray.

Description:

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

Remedy:

<User Check> • Remove the jammed paper. • Close the paper tray correctly. 1 Foreign object in the front section of the paper tray Remove the foreign object. 2 Paper dust cleaning roller attachment failure Reattach the paper dust cleaning roller. 3 Connection failure of the registration front/rear sensor PCB harness Reconnect the registration front/rear sensor PCB harness. 4 Connection failure of the HVPS flat cable Reconnect the HVPS flat cable. 5 Registration front actuator coming off or caught in some sections of the machine Reattach the registration front actuator. 6 HVPS flat cable breakage Replace the HVPS flat cable. 7 Registration front sensor failure Replace the registration front/rear actuator holder ASSY. 8 High-voltage power supply PCB failure Replace the high-voltage power supply PCB ASSY. 9 Damaged gears in the feeding system Replace the main frame L ASSY. 10 Main PCB failure Replace the main PCB ASSY.

Code: 7700

Display:

Jam 2-sided Pull out the Duplex Tray at the back of the machine and remove the jammed paper.

Description:

The registration front sensor does not detect paper pass within the specified time after the first side was printed in duplex printing mode.

Remedy:

<User Check> • Remove the jammed paper. • Close the back cover correctly. • Close the paper tray correctly. 1 Foreign object in the duplex paper feed system Remove the foreign object. 2 Foreign object in the duplex paper feed system of the paper tray Remove the foreign object. 3 Back cover attachment failure Reattach the back cover. 4 Fuser cover attachment failure Reattach the fuser cover. 5 Duplex tray failure Replace the duplex tray. 6 Damaged gears in the feeding system Replace the main frame L ASSY. 7 Main PCB failure Replace the main PCB ASSY.

Code: 7C00

Display:

Cover is Open Make sure there is no paper jammed inside the machine and close the Back Cover, then press Start.

Description:

The eject sensor was ON when the power switch was turned ON.

Remedy:

<User Check> • Close the back cover correctly. 1 Eject actuator caught in sections of the machine Reattach the eject actuator. 2 Fuser cover attachment failure Reattach the fuser cover. 3 Back cover attachment failure Reattach the back cover. 4 Eject sensor failure Replace the eject sensor PCB ASSY. 5 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/duplex tray sensor detected that the cover was open when duplex printing is started. (Before registering printing data to engine)

Remedy:

<User Check> • Close the back cover correctly. 1 Back cover/duplex tray sensor attachment failure Reattach the back cover/duplex tray sensor. 2 Boss to push the back cover/ duplex tray sensor is broken. Replace the back cover. 3 Back cover/duplex tray sensor failure Replace the eject sensor PCB ASSY. 4 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/duplex tray sensor detected that the cover was open during duplex printing. (After registering printing data to engine)

Remedy:

<User Check> • Close the back cover correctly. 1 Back cover/duplex tray sensor attachment failure Reattach the back cover/duplex tray sensor. 2 Boss to push the back cover/ duplex tray sensor is broken. Replace the back cover. 3 Back cover/duplex tray sensor failure Replace the eject sensor PCB ASSY. 4 Main PCB failure Replace the main PCB ASSY.

Code: 8A01

Display:

Size Error DX Specify the correct paper.

Description:

The registration rear sensor detected that the paper fed was smaller or larger than the specified size in duplex printing mode.

Remedy:

<User Check> • Use appropriate paper (Letter to Legal). 1 Registration rear actuator caught in some sections of the machine Reattach the registration rear actuator. 2 Registration rear sensor failure Replace the registration front/rear actuator holder ASSY. 3 Main PCB failure Replace the main PCB ASSY.

Code: 8C00

Display:

Manual Feed Load paper.

Description:

There is no paper set in the manual feed slot on the manual feed slot fix mode.

Remedy:

<User Check> • Set paper in the manual feed slot. 1 Registration front actuator caught in some sections of the machine Reattach the registration front actuator. 2 Connection failure of the registration rear sensor harness Reconnect the registration front/rear sensor PCB harness. 3 Connection failure of the HVPS flat cable Reconnect the HVPS flat cable. 4 HVPS flat cable breakage Replace the HVPS flat cable. 5 Registration rear sensor failure Replace the registration front/rear actuator holder ASSY. 6 High-voltage power supply PCB failure Replace the high-voltage power supply PCB ASSY. 7 Main PCB failure Replace the main PCB ASSY.

Code: 8E01

Display:

Size mismatch Fax received. Set correct paper size in menu.

Description:

The paper size setting for the machine is other than A4, Letter, Legal or Folio when receiving fax.

Remedy:

<User Check> • 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 registration front/rear actuator holder ASSY. 3 Main PCB failure Replace the main PCB ASSY.

Code: 8E02

Display:

Size mismatch Reload correct paper, then press Start.

Description:

Detected that the size of the paper set to paper tray was over 10 mm shorter than letter size when receiving fax or printing a list/report.

Remedy:

<User Check> • 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 registration front/rear actuator holder ASSY. 3 Main PCB failure Replace the main PCB ASSY.

Code: 9002

Display:

Size mismatch Reload correct paper, then press Start.

Description:

When printing from the paper tray, the size of paper set in the paper tray does not match the size specified by the driver.

Remedy:

<User Check> • 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 registration front/rear actuator holder ASSY. 3 Main PCB failure Replace the main PCB ASSY.

Code: 9302

Display:

No Paper Load paper.

Description:

When printing from the paper tray, the paper feed sensor detected that there was no paper set in the paper tray.

Remedy:

<User Check> • Set paper in the paper tray. 1 Connection failure of the paper feed sensor harness Reconnect the paper feed sensor harness ASSY. 2 Paper feed actuator caught in sections of the machine Reattach the paper feed actuator. 3 New toner sensor PCB failure Replace the new toner sensor PCB ASSY. 4 Main PCB failure Replace the main PCB ASSY.

Code: 9307

Display:

No Paper Load paper in Tray.

Description:

Detected that paper has run out during receiving fax or printing a list/report.

Remedy:

<User Check> • Set paper in the paper tray. 1 Connection failure of the paper feed sensor harness Reconnect the paper feed sensor harness ASSY. 2 Paper feed actuator caught in sections of the machine Reattach the paper feed actuator. 3 New toner sensor PCB failure Replace the new toner sensor PCB ASSY. 4 Main PCB failure Replace the main PCB ASSY.

Code: 9701

Display:

Size Error DX Press Stop Key. Specify the correct paper and load the same size paper as the Printer driver setting.

Description:

A tray set to duplex printing-incompatible size was specified in duplex printing.

Remedy:

<User Check> • Specify A4 or Letter size paper in the driver and set paper with the same size to the specified paper tray. 1 Main PCB failure Replace the main PCB ASSY.

Code: A000

Display:

Scan Unable Remove the original document. Turn the power off, then on again.

Description:

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

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 ASSY.

Code: A200

Display:

Clear the scanner jam, then press the Stop Key.

Description:

The first side document scanning position sensor detected that the document length was 90 cm or longer while scanning the document.

Remedy:

<User Check> • Set A4 or Letter size paper. • Remove the jammed document. 1 First side document scanning position actuator caught in some sections of the machine Reattach the first side document scanning position actuator. 2 First side document scanning position sensor failure Replace the first side document scanning position sensor PCB ASSY. 3 Main PCB failure Replace the main PCB ASSY.

Code: A300

Display:

Document Jam Clear the scanner jam, then press the Stop Key.

Description:

The first side document scanning position sensor has not detected the top of the document even after the document has been fed for the specified distance.

Remedy:

<User Check> • Set A4 or Letter size paper. • Remove the jammed document. 1 First side document scanning position actuator caught in some sections of the machine Reattach the first side document scanning position actuator. 2 Connection failure of the first side document scanning position sensor PCB harness Reconnect the first side document scanning position sensor PCB harness. 3 First side document scanning position sensor failure Replace the first side document scanning position sensor PCB ASSY. 4 Main PCB failure Replace the main PCB ASSY.

Code: A400

Display:

Cover is Open Close the ADF Cover, then press the Stop Key.

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 Connection failure of the ADF cover/document detection sensor PCB harness Reconnect the ADF cover/document detection sensor PCB harness. 3 ADF cover sensor failure Replace the ADF cover/document detection sensor PCB ASSY. 4 Main PCB failure Replace the main PCB ASSY.

Code: A500

Display:

Description:

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

Remedy:

1 Incorrect correction data for first side CIS Execute Set CIS scan area (function code: 55). 2 First side CIS unit failure Replace the first side CIS unit. 3 Main PCB failure Replace the main PCB ASSY.

Code: A600

Display:

Description:

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

Remedy:

1 Incorrect correction data for first side CIS Execute Set CIS scan area (function code: 55). 2 First side CIS unit failure Replace the first side CIS unit. 3 Main PCB failure Replace the main PCB ASSY.

Code: A700

Display:

Print Unable A7 Turn the power off and then back on again.

Description:

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

Remedy:

<User Check> • Install the latest firmware. 1 Second side CIS unit failure Replace the second side CIS unit. 2 First side CIS unit failure Replace the first side CIS unit. 3 Main PCB failure Replace the main PCB ASSY.

Code: AC00

Display:

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 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 ASSY.

Code: AD00

Display:

Scan Unable Remove the original document. Turn the power off, then on again.

Description:

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

Remedy:

1 Incorrect correction data for first side CIS unit Execute Set CIS scan area (function code: 55). 2 First side CIS unit failure Replace the first side CIS unit. 3 Main PCB failure Replace the main PCB ASSY.

Code: A400

Display:

Cover is Open Close the ADF Cover, then press the Stop Key.

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 Connection failure of the ADF cover/document detection sensor PCB harness Reconnect the ADF cover/document detection sensor PCB harness. 3 ADF cover sensor failure Replace the ADF cover/document detection sensor PCB ASSY. 4 Main PCB failure Replace the main PCB ASSY.

Code: A500

Display:

Description:

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

Remedy:

1 Incorrect correction data for first side CIS Execute Set CIS scan area (function code: 55). 2 First side CIS unit failure Replace the first side CIS unit. 3 Main PCB failure Replace the main PCB ASSY.

Code: A600

Display:

Description:

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

Remedy:

1 Incorrect correction data for first side CIS Execute Set CIS scan area (function code: 55). 2 First side CIS unit failure Replace the first side CIS unit. 3 Main PCB failure Replace the main PCB ASSY.

Code: A700

Display:

Print Unable A7 Turn the power off and then back on again.

Description:

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

Remedy:

<User Check> • Install the latest firmware. 1 Second side CIS unit failure Replace the second side CIS unit. 2 First side CIS unit failure Replace the first side CIS unit. 3 Main PCB failure Replace the main PCB ASSY.

Code: AC00

Display:

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 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 ASSY.

Code: AD00

Display:

Scan Unable Remove the original document. Turn the power off, then on again.

Description:

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

Remedy:

1 Incorrect correction data for first side CIS unit Execute Set CIS scan area (function code: 55). 2 First side CIS unit failure Replace the first side CIS unit. 3 Main PCB failure Replace the main PCB ASSY.

Code: C700

Display:

Out of Memory Press Stop Key.

Description:

There is insufficient memory to expand PC print data.

Remedy:

<User Check> • Print the print data stored in the memory. • Divide the print data and print them separately. 1 Main PCB failure Replace the main PCB ASSY.

Code: C800

Display:

Print Data Full Print Data is full. Press Stop and delete the previously stored data.

Description:

The memory size allotted for Secure print was exceeded when saving Secure print data.

Remedy:

<User Check> • Print the print data stored in the memory. • Divide the print data and print them separately. 1 Main PCB failure Replace the main PCB ASSY.

Code: D100

Display:

Print Unable D1 Turn the power off and then back on again.

Description:

An error occurred while initializing the modem.

Remedy:

1 Modem PCB failure Replace the modem PCB ASSY. 2 Main PCB failure Replace the main PCB ASSY.

Code: D200

Display:

Machine Error Unplug machine, then call Brother.

Description:

Detected the modem PCB was not connected.

Remedy:

1 Connection failure of the modem flat cable Reconnect the modem flat cable. 2 Modem PCB failure Replace the modem PCB ASSY. 3 Main PCB failure Replace the main PCB ASSY.

Code: D800

Display:

Print Unable D8 Turn the power off and then back on again.

Description:

An error occurred while initializing the touch panel.

Remedy:

Code: D900

Display:

Description:

Communication between the panel PCB and main PCB was unable while initializing the touch panel.

Remedy:

<User Check> • Check that there is no object on the touch panel. • Install the latest firmwares (panel firmware and main firmware). 1 Connection failure of the touch panel flat cable Reconnect the touch panel flat cable. 2 Touch panel failure Replace the touch panel ASSY. 3 Main PCB failure Replace the main PCB ASSY.

Code: DA00

Display:

Description:

There was no response from the panel PCB for the specified time after initializing the panel PCB.

Remedy:

<User Check> • Install the latest firmwares (panel firmware and main firmware). 1 Touch panel failure Replace the touch panel ASSY. 2 Main PCB failure Replace the main PCB ASSY.

Code: E000

Display:

Print Unable E0 Turn the power off and then back on again.

Description:

An error occurred in the ROM check sum.

Remedy:

<User Check> • Install the latest firmware. 1 Main PCB failure Replace the main PCB ASSY.

Code: E100

Display:

Print Unable E1 Turn the power off and then back on again.

Description:

Program error

Remedy:

<User Check> • 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:

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

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:

Write error in the EEPROM of the main PCB ASSY

Remedy:

1 Main PCB failure Replace the main PCB ASSY.

Code: E701

Display:

Print Unable E7 Turn the power off and then back on again.

Description:

Irregular operation of the flash ROM file system on the main PCB.

Remedy:

1 Main PCB failure Replace the main PCB ASSY.

Code: E702

Display:

Print Unable E7 Turn the power off and then back on again.

Description:

Read error in the flash ROM on the main PCB

Remedy:

1 Main PCB failure Replace the main PCB ASSY.

Code: F900

Display:

Machine Error F9

Description:

The country code was not entered correctly.

Remedy:

1 The power was turned OFF while function code 74 was running. Reenter the country code. 2 Main PCB failure Replace the main PCB ASSY.