2-91
Confidential
4.2.10Paper jam
Paper jams in the paper tray 1
<User Check>
• Check that the paper is set in the paper tray correctly.
• Flip over the paper in the paper tray or rotate the paper 180°.
• Adjust the paper guide according to the paper size.
• Check that there is not too much paper set in the paper tray.
• Check that the thickness of the paper is 60 to 120 g/m
2
for paper tray 1.
• Flip through the paper and reset it in the paper tray.
Step
Cause
Remedy
1
Foreign object around the paper
tray
Remove the foreign object.
2
Paper dust cleaning roller
attachment failure
Reattach the paper dust cleaning roller.
3
Paper feed actuator coming off Reattach the paper feed actuator.
4
Registration front actuator
coming off
Reattach the registration front actuator.
5
Connection failure of the
registration front/rear sensor
harness
Reconnect the registration front/rear sensor
harness.
6
Connection failure of the
registration clutch harness
Reconnect the registration clutch harness.
7
Connection failure of the T1
paper feed sensor harness
Reconnect the T1 paper feed sensor harness.
8
Connection failure of the HVPS
flat cable
Reconnect the HVPS flat cable.
9
HVPS flat cable breakage
Replace the HVPS flat cable.
10
Registration front sensor failure Replace the registration front/rear sensor PCB
ASSY.
11
T1 paper feed sensor failure
Replace the T1 paper feed sensor PCB ASSY.
12
Registration clutch failure
Replace the registration clutch.
13
Paper feed motor failure
Replace the paper feed motor.
14
Relay front PCB failure
Replace the relay front PCB ASSY.
15
High-voltage power supply PCB
failure
Replace the high-voltage power supply PCB
ASSY.
16
Damaged gears in the paper
feeding system
Replace the main frame L ASSY.
17
Damaged fuser unit
Replace the fuser unit.
18
Main PCB failure
Replace the main PCB ASSY.