Brother HL-L2370DN - Network

2-33
Confidential
4. TROUBLESHOOTING
4.1 Error Cause and Remedy
 Error code 0102
ASIC error or motor driver error occurred.
 Error code 0201
Cannot detect the synchronized signal of the paper feed motor. The speed of the paper feed
motor does not stabilize within the specified time.
 Error code 0300
Cannot detect the lock signal of the polygon motor for the laser unit. (second time)
Error code 0305
Cannot detect the lock signal of the polygon motor for the laser unit. (first time)
Step Cause Remedy
1 Main PCB failure Replace the main PCB ASSY.
Step Cause 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 PCB
harness
Reconnect the low-voltage power supply
PCB harness.
3
Paper feed motor flat cable
failure
Replace the paper feed motor flat cable.
4 Damaged parts in main drive Replace the frame L unit.
5 Damaged fuser unit Replace the fuser unit.
6
Low-voltage power supply PCB
failure
Replace the low-voltage power supply
PCB ASSY.
7 Main PCB failure Replace the main PCB ASSY.
Step Cause Remedy
1
Connection failure of the polygon
motor harness
Reconnect the polygon motor harness.
2 Laser unit failure Replace the laser unit.
3 Main PCB failure Replace the main PCB ASSY.