Brother DCP-7080 Service Manual page 98

 Paper jams in the manual feed slot
<User Check>
• Check that the paper is set in the manual feed slot correctly.
• Flip over the paper in the manual feed slot or rotate the paper 180°.
• Adjust the paper guide according to the paper size.
• Check that multiple sheets of paper are not set.
• Check that the thickness of the paper is 60 to 163 g/m
Step
Foreign object around the
1
manual feed slot
Connection failure of the
2 registration front/rear sensor
PCB harness
Registration front actuator
3
coming off
Connection failure of the
4
registration clutch harness
Connection failure of the HVPS
5
flat cable
HVPS flat cable breakage
6
Registration front sensor failure Replace the registration front/rear actuator
7
Registration clutch failure
8
Main motor failure
9
High-voltage power supply PCB
10
failure
Damaged gears in the feeding
11
system
Fuser unit failure
12
Main PCB failure
13
Cause
Remove the foreign object.
Reconnect the registration front/rear sensor
PCB harness.
Reattach the registration front actuator.
Reconnect the registration clutch harness.
Reconnect the HVPS flat cable.
Replace the HVPS flat cable.
holder ASSY.
Replace the registration clutch.
Replace the main motor.
Replace the high-voltage power supply PCB
ASSY.
Replace the main frame L ASSY.
Replace the fuser unit.
Replace the main PCB ASSY.
2-63
2
.
Remedy
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