Troubleshooting For Paper Feeding Problems; No Paper Is Fed From Machine Paper Tray - Brother DCP-L5500D Service Manual

4.2 Troubleshooting for Paper Feeding Problems

End users can solve problems related to paper feeding as long as they follow the User Check
items. If the problem still cannot be solved, implement each procedure according to the step
numbers in the tables below.

4.2.1 No paper is fed from machine paper tray

<User Check>
• Check that the paper is set in the paper tray correctly.
• Check that there is not too much paper set in the paper tray.
• Flip over the paper in the paper tray or rotate the paper 180°.
• Check that the thickness of the paper is 60 to 120 g/m
• Check that the MP tray, LT or TT is not set as the paper tray.
• Flip through the paper and reset it in the paper tray.
• Clean the paper pick up roller.
• Install the latest main firmware.
Step
Dirt on the paper dust cleaning
1
roller of the paper tray
Attachment failure of the T1
2
roller holder ASSY
Connection failure of the paper
3
feed motor harness
Connection failure of the T1
4
paper feed sensor harness
Connection failure of the HVPS
5
flat cable
Connection failure of the T1
6
pickup clutch harness
T1 paper empty actuator coming
7
off
Abrasion of the paper pick up
8
roller
9 T1 pickup clutch failure
10 T1 paper empty sensor failure
11 Damaged plate gear
12 Paper feed motor failure
High-voltage power supply PCB
13
failure
14 Panel PCB failure
Damaged gears in the paper
15
pickup system
16 Damaged fuser unit
17 Main PCB failure
Cause
Refer to the figure below to clean the paper
dust cleaning roller.
Reattach the T1 roller holder ASSY correctly.
Reconnect the paper feed motor harness.
Reconnect the T1 paper feed sensor harness.
Reconnect the HVPS flat cable.
Reconnect the T1 pickup clutch harness.
Reattach the T1 paper empty actuator.
Replace the PF kit 1.
Replace the T1 pickup clutch.
Replace the T1 paper empty sensor.
Replace the T1 plate gear.
Replace the paper feed motor.
Replace the high-voltage power supply PCB
ASSY.
Replace the panel PCB ASSY.
Replace the main frame L ASSY.
Replace the fuser unit.
Replace the main PCB ASSY.
Paper dust cleaning roller
Fig. 2-10
2-82
2
(paper tray 1).
Remedy
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