Xerox 7142 Service Manual

9 Troubleshooting RJ-901C/RJ-900C Maintenance Manual
9-64
9.3.4 Noise Problems
22 2. Does pressure roller
rotate harder when
pressure arm is raised?
If pressure roller collects
media dust on itself, wipe
dust away using a wet soft
cloth.
Operation
Manual
3. Is rough surface of grid
roller partially worn
out?
4. Is grid roller rotation
heavy? Does rattling
occur when it rotates?
If grid roller is contaminated
with media dust, clean roller
with a nylon brush.
Operation
Manual
Table 9-12 Symptoms, Check Items, and Actions for Noise Problems
No. Symptom Check item Action Reference
1 Abnormal noise is
heard when media is
suctioned.
1. Are there any foreign
objects or obstacles
around rotating fin of
suction fan assembly?
Remove obstacles and
foreign objects.
"4.9.1
Replacing
Suction Fan
Assembly"
p.4-62
2. Check damage of
cables and connection
of connectors.
If damaged, replace damaged
part.
-
3. Suction fan assembly
may be defective.
Replace suction fan
assembly.
"4.9.1
Replacing
Suction Fan
Assembly"
p.4-62
4. Main board assembly
may be
malfunctioning.
Replace main board
assembly.
"4.9.1
Replacing
Suction Fan
Assembly"
p.4-62
5. Power board assembly
may be defective.
Replace power board
assembly.
"4.3.4
Replacing
Power Board
Assembly"
p.4-22
Table 9-11 Symptoms, Check Items and Actions for Printing Problems(Continued)
No. Symptom Check item Action Reference

Xerox 7142 Specifications

General

Brand	Xerox
Model	7142
Category	Printer
Language	English