Paper Feeding Problems; No Feeding; Double Feeding - Brother HL-4040CN, HL-4050CDN, HL-4070CDW Service Manual

3.

PAPER FEEDING PROBLEMS

Problems related to paper feeding are end user recoverable if following the User Check items.
If the same problem occurs again, follow each procedure in the order of the number described
in the Step column in the tables below.
3.1

No Feeding

Step
1 Plate gear
damaged
2 T1 edge actuator
malfunction
3 Disconnection of
the paper feed
solenoid harness
4 Paper feed/belt
cleaner motor
failure
3.2

Double Feeding

Step
1 Paper feeding kit
Cause
Is the plate gear
damaged?
Does T1 edge actuator
move smoothly?
Is the harness of the
paper feed solenoid
disconnected?
Is the problem solved by
replacing the paper feed/
belt cleaner motor?
Cause
Is the surface of the
separation pad worn out?
Check
Result
Yes
No
Yes
Yes
Check
Result
Yes
1-38
Remedy
Replace the paper tray.
Re-assemble T1 edge
actuator.
Reconnect the harness.
Replace the paper feed/
belt cleaner motor.
Remedy
Replace the paper
feeding kit.
Confidential