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Confidential
4.2 Troubleshooting for Paper Feeding Problems
End users can solve problems related to paper feeding as long as they follow the User Check
items. If the problem still cannot be solved, implement each procedure according to the step
numbers in the tables below.
4.2.1 No paper is fed from machine paper tray
Fig. 2-9
<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
2
(paper tray 1).
• Check that the MP tray, LT 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
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.
2
Attachment failure of the T1
roller holder ASSY
Reattach the T1 roller holder ASSY correctly.
3
Connection failure of the paper
feed motor harness
Reconnect the paper feed motor harness.
4
Connection failure of the T1
paper feed sensor harness
Reconnect the T1 paper feed sensor harness.
5
Connection failure of the HVPS
flat cable
Reconnect the HVPS flat cable.
6
Connection failure of the T1
pickup clutch harness
Reconnect the T1 pickup clutch harness.
7
T1 paper empty actuator coming
off
Reattach the T1 paper empty actuator.
8
Abrasion of the paper pick up
roller
Replace the PF kit 1.
9
T1 pickup clutch failure
Replace the T1 pickup clutch.
10
T1 paper empty sensor failure
Replace the T1 paper empty sensor.
11
Damaged plate gear
Replace the T1 plate gear.
12
Paper feed motor failure
Replace the paper feed motor.
13
High-voltage power supply PCB
failure
Replace the high-voltage power supply PCB
ASSY.
14
Panel PCB failure
Replace the panel PCB ASSY.
15
Damaged gears in the paper
pickup system
Replace the main frame L ASSY.
16
Damaged fuser unit
Replace the fuser unit.
17
Main PCB failure
Replace the main PCB ASSY.
Paper dust cleaning roller