Brother HL-3040CN Service Manual page 110

■ Error code E1
Print Unable E1
Turn off and on.
Program error
< >
User Check
- Turn the power off and on.
Step
1 Main PCB failure
■ Error code E2
Print Unable E2
Turn the power off and then back on again.
Temperature error of heat roller (It is detected that the edge temperature is higher than 280°C.)
Step
1 Fuser unit failure
2 Eject front sensor PCB failure
3 Main PCB failure
■ Error code E3
Print Unable E3
Turn the power off and then back on again.
Drum motor origin sensor failure
Step
1 Drum motor origin sensor PCB
failure
Engine PCB failure
2
3 Main PCB failure
Cause
Cause
Cause
3-46
Remedy
Replace the main PCB ASSY.
Remedy
Replace the fuser unit.
Replace the eject front sensor PCB ASSY.
Replace the main PCB ASSY.
Remedy
Replace the drum motor origin sensor
PCB ASSY.
Replace the engine PCB ASSY.
Replace the main PCB ASSY.
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