Brother HL-L9300CDW Service Manual page 62

■
Error code 020F
Print Unable 02
Turn the power off and then back on again.
The main motor other than the official specifications is used.
Step
1 Incorrect specifications of the
main motor
2 Main PCB failure
■
Error code 0300
Print Unable 03
Turn the power off and then back on again.
The Lock signal of the polygon motor of the laser unit cannot be detected.
Error code 0401
Print Unable 04
Turn the power off and then back on again.
BD sensor 1 damaged.
Error code 0402
Print Unable 04
Turn the power off and then back on again.
BD sensor 4 damaged.
Step
1 Connection failure of the polygon
motor harness
2 Laser unit failure
3 Main PCB failure
Cause
Cause
2-42
Remedy
Replace the process drive unit with a
correct one.
Replace the main PCB ASSY.
Remedy
Reconnect the polygon motor harness.
Replace the laser unit.
Replace the main PCB ASSY.
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