Brother HL-L5000D Service Manual page 119

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 Paper jams in TT path
<User Check>
• Check that the paper is set in each tray in the TT correctly.
• Flip over the paper or rotate the paper 180°.
• Adjust the paper guide according to the paper size.
• Check that there is not too much paper set.
• Check that the thickness of the paper is 60 to 120 g/m
• Flip through the paper and reset it in each paper tray.
• Install the latest main firmware.
Step
Foreign object in the TT paper
1
feeding path
Twisted TT frame
2
A paper dust cleaning roller
3
attachment failure
A TT paper feed actuator
4
coming off
5
A TT jam actuator coming off
Connection failure of a TT jam
6
sensor harness
Connection failure of a TT paper
7
feed sensor harness
Connection failure of a TT
8
release clutch harness
Connection failure of a TT relay
9
PCB harness
Connection failure of the TT
10
control PCB harness
11
A TT paper feed sensor failure
12
A TT release clutch failure
13
TT balance sensor L/R failure
A TT jam sensor failure
14
15
TT motor failure
16
A TT relay PCB failure
17
TT control PCB failure
18
Main PCB failure
Cause
Remove the foreign object.
Loosen the nine screws shown in
tighten them again.
Reattach the appropriate paper dust cleaning
roller.
Reattach the appropriate TT paper feed
actuator.
Reattach the appropriate TT jam actuator.
Reconnect the appropriate TT jam sensor
harness.
Reconnect the appropriate TT paper feed
sensor harness.
Reconnect the appropriate TT release clutch
harness.
Reconnect the appropriate TT relay PCB
harness.
Reconnect the TT control PCB harness.
Replace the appropriate TT paper feed sensor.
Replace the appropriate TT release clutch.
Replace the TT balance sensor L/R.
Replace the appropriate TT jam sensor PCB
ASSY.
Replace the TT motor.
Replace the appropriate TT relay PCB ASSY.
Replace the TT control PCB ASSY.
Replace the main PCB ASSY.
2-93
2
for paper tray 2 to 5.
Remedy
Fig. 2-8
and
Confidential

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