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Confidential
4.2 Troubleshooting for Paper Feeding Problems
Problems related to paper feeding are end user recoverable if following the User Check items.
If the same problem occurs again, follow each procedure in the order of the number described
in the Step column in the tables below.
4.2.1 No paper feeding from 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 163 g/m
2
.
• Flip through the paper and reset it in the paper tray.
• Clean the paper pick up roller.
Fig. 2-8
Step
Cause
Remedy
1
Dirt on the paper dust cleaning
roller of the paper tray
Refer to the figure below to clean the
paper dust cleaning roller and inside of the
paper dust cleaning roller cover.
2
T1 roller holder ASSY
attachment failure
Reattach the T1 roller holder ASSY
correctly.
3
Connection failure of the paper
feed motor flat cable
Reconnect the paper feed motor flat
cable.
4
Connection failure of the T1
paper feed sensor harness
Reconnect the T1 paper feed sensor
harness.
5
Connection failure of the T1
clutch harness
Reconnect the T1 clutch harness.
6
Abrasion of the paper pick up
roller
Replace the PF kit 1.
7
T1 paper feed sensor failure
Replace the T1 paper feed sensor PCB
ASSY.
8
Paper feed motor flat cable
failure
Replace the paper feed motor flat cable.
9
Paper feed motor failure
Replace the paper feed motor.
10
Damaged gears in the paper
feed drive system
Replace the frame L unit.
11
Damaged fuser unit
Replace the fuser unit.
12
Main PCB failure
Replace the main PCB ASSY.
Paper dust cleaning roller
Paper dust cleaning roller cover
Hooks
<Front side>