Brother HL-3040CN Service Manual page 117

■ Paper jam in the back cover and paper eject section
Step Cause
1 Foreign object
around fuser unit
Paper eject rear
2
actuator top failure
3 Paper eject front
actuator failure
4 Paper eject rear
actuator failure
5 Eject front sensor
PCB failure
6 Eject rear sensor
PCB failure
Check
Is there a foreign object
around the fuser unit?
Does the paper eject
rear actuator top move
smoothly?
Is it damaged?
Does the paper eject front
actuator move smoothly?
Is it damaged?
Does the paper eject rear
actuator move smoothly?
Is it damaged?
Is the problem solved by
replacing the eject front
sensor PCB ASSY?
Is the problem solved by
replacing the eject rear
sensor PCB ASSY?
3-53
Result Remedy
Yes Remove the foreign
object.
No Replace the paper eject
rear actuator top.
No Replace the paper eject
front actuator.
No Replace the fuser unit.
Yes Replace the eject front
sensor PCB ASSY.
Yes Replace the eject rear
sensor PCB ASSY.
Confidential