Xerox 7142 Service Manual - page 251
RJ-901C/RJ-900C Maintenance Manual
9 Troubleshooting
9-7
1
6. CR board assembly
may be damaged.
Replace CR board
assembly.
"4.10.1
Replacing CR
Board
Assembly"
p.4-64
7. Check presence of
media from "Sen:
PaperRear AD" of
self-diagnosis
function.
When "No media" is
displayed even if media
is set, replace P_REAR
sensor.
"4.9.2
Replacing
P_REAR
Sensor
Assembly"
p.4-63
8. Main board
assembly may be
damaged.
Replace main board
assembly.
"4.3.3
Replacing
Main Board
Assembly"
p.4-21
2
Media skew
error
Media is
running
obliquely.
1. Set media again and
check reappearance.
If this error is caused by
user's inappropriate
media setting, instruct
correct media setting
procedure.
-
2. Is suction fan
judged as normal
when checked
through "Test: Fan"
of self-diagnosis
function?
- Check connection of
following main board
assembly connectors.
•
Suction fan 1 cable:
J128
•
Suction fan 2 cable:
J127
•
Suction fan L cable:
J126
•
Replace suction fan
assembly.
•
Replace cable of
suction fan that does
not operate
normally.
"4.9.1
Replacing
Suction Fan
Assembly"
p.4-62
3. Is shielding material
secured at specified
position?
Remount it at specified
position.
-
4. Check pressure
lever operation.
Apply grease (G501) to
pressure cam and make
adjustment.
"8.4
Lubrication/
Bonding"
p.8-6
Table 9-3 Symptoms and Check Items for Errors with Message(Continued)
No.
Message
Event/
symptom
Check item
Action
Reference