Xerox 7142 Service Manual page 248

9 Troubleshooting
Table 9-2 Events and Check Items for Operation Status Messages
No. Message
1 Cover open
2 Set media
Event/ Check item
symptom
Front cover is 1. Is cover sensor
open. assembly loose?
Media holding 1. Does cover sensor
lever is turned assembly turns ON/
backward. OFF correctly as
front cover opens
and closes?
2. Is cover sensor
assembly cable
connected securely?
3. Does pressure lever
move smoothly?
4. Is lever sensor
assembly fitted
correctly?
5. Is sensor of lever
sensor assembly
contaminated?
6. Is lever sensor
cable connected
securely?
7. Panel unit assembly
may be damaged.
8. Panel cable may be
damaged.
RJ-901C/RJ-900C Maintenance Manual
Tighten cover sensor
assembly screws.
Adjust cover sensor
assembly height.
Correctly connect cover
sensor assembly cables
to main board assembly
connector J117.
Lubricate pressure cam.
Adjust lever sensor
assembly position.
Clean sensor face using
a swab.
Correctly connect lever
sensor assembly cables
to main board assembly
connector J132.
Replace panel unit
assembly.
Replace panel cable.
9-4
Action Reference
"4.8.3
Replacing
Cover Sensor
Assembly"
p.4-60
"7.7 Head
Alignment
Adjustment(
Horizontal
Height)" p.7-
26
"4.3.3
Replacing
Main Board
Assembly"
p.4-21
"8.4
Lubrication/
Bonding"
p.8-6
"4.5.4
Replacing T
Fence" p.4-33
"4.5.3
Replacing
Lever
Sensor" p.4-
32
"4.5.3
Replacing
Lever
Sensor" p.4-
32
"4.2.2
Removing
Operation
Panel Unit"
p.4-8
"4.2.2
Removing
Operation
Panel Unit"
p.4-8