Brother HL-5280DW Service Manual

CHAPTER 4 TROUBLESHOOTING
Confidential
4-36
(10) Pickup function of paper tray does not work
Possible cause Step Check Result Remedy
Link lever does
not move
smoothly.
1 Does the link lever work?
Isn't the link lever bent?
Yes Remove the cause of non-
smooth operation of the link
lever.
Replace the link lever.
Pickup roller
holder ASSY
does not move
smoothly.
2 Does the pickup roller holder
ASSY move up and down?
No Replace the pickup roller
holder ASSY.
Main motor
failure
3 Does the main motor work? No Replace the main motor.
Pressure plate
drive cam failure
4 Does the pressure plate drive
cam rotate?
No Replace the main frame L
ASSY.
(11) The new toner is not sensed
Possible cause Step Check Result Remedy
The toner
cartridge is not
set to the main
body correctly.
1 The toner cartridge is not
inserted completely.
Yes Reset the cartridge.
New toner
detection switch
failure
2 Isn't the toner sensed even if
the switch is held?
Yes Replace the switch.
Main PCB
failure
3 Is the problem solved by
replacing the main PCB?
No Replace the main PCB.
(12) Maximum speed is slow
Possible cause Step Check Result Remedy
Two or more
sheets of the
paper in the tray
are pulled to
feed.
1 Does paper double feeding
occur?
Yes Replace the separation pad.
Foreign body
attached to the
tail edge
actuator
2 Is a foreign body caught on the
tail edge actuator?
Yes Remove a foreign body.
Tail edge
actuator failure
3 Is the tail edge actuator
deformed?
Yes Replace the tail edge actuator.
Tail edge sensor
malfunction
4 Is the tail edge sensor turned
ON?
Yes Replace the tail edge sensor.

Brother HL-5280DW Specifications

General

Brand	Brother
Model	HL-5280DW
Category	Printer
Language	English