No Paper Is Fed From Lt - Brother DCP-L5500D Service Manual

4.2.2 No paper is fed from LT

<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, T1 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 a paper dust cleaning
1
roller of the paper tray
Attachment failure of a roller
2
holder ASSY
Connection failure of the paper
3
feed motor harness
Connection failure of an LT
4
paper feed sensor harness
Connection failure of an LT
5
control PCB flat cable
Connection failure of an LT
6
release clutch harness
Connection failure of an LT
7
pickup clutch harness
An LT paper empty actuator
8
coming off
Abrasion of a paper pick up
9
roller
10 An LT release clutch failure
11 An LT pickup clutch failure
An LT paper empty sensor
12
failure
13 Damaged a plate gear
14 Damaged fuser gear
15 Damaged an LT/TT connector
16 Paper feed motor failure
17 An LT control PCB failure
18 Panel PCB failure
Damaged LT drive gear system
19
of the machine
20 Damaged fuser unit
21 Main PCB failure
Cause
Clean the appropriate paper dust cleaning
roller. (Refer to
Reattach the appropriate roller holder ASSY
correctly.
Reconnect the paper feed motor harness.
Reconnect the appropriate LT paper feed
sensor harness.
Reconnect the appropriate LT control PCB flat
cable.
Reconnect the appropriate LT release clutch
harness.
Reconnect the appropriate LT pickup clutch
harness.
Reattach the appropriate LT paper empty
actuator.
Replace the appropriate PF kit.
Replace the appropriate LT release clutch.
Replace the appropriate LT pickup clutch.
Replace the appropriate LT paper empty
sensor PCB ASSY.
Replace the appropriate plate gear.
Replace the fuser gear.
Replace the appropriate LT/TT connector.
Replace the paper feed motor.
Replace the appropriate LT control PCB ASSY.
Replace the panel PCB ASSY.
Replace the main frame L ASSY.
Replace the fuser unit.
Replace the main PCB ASSY.
2-83
2
(paper tray 2 to 4).
Remedy
Fig. 2-10.)
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