Xerox 7142 - Page 254

9 Troubleshooting RJ-901C/RJ-900C Maintenance Manual
9-10
4 b) Does not go up/
down:
Connector may be
poorly connected.
Check connection of
following connectors.
• CR board
assembly: J212
• CR board
assembly: J201 -
J205
• Main board
assembly: J110 -
J114
"4.10.1
Replacing CR
Board
Assembly"
p.4-64
"4.3.3
Replacing
Main Board
Assembly"
p.4-21
6. CR cable may be
broken, solenoid
assembly may be
defective, or each
board assembly may
be defective.
a) Replace CR cable
with new one.
If solenoid goes up/
down, replace CR cable.
"4.10.3
Replacing CR
Tape Wire"
p.4-68
b) Replace solenoid
assembly with new
one. (Check by
connecting
connectors directly)
If solenoid goes up/
down, replace solenoid
assembly.
"4.6.2
Replacing
Cutter
Holder
Assembly"
p.4-41
c) Replace CR
board assembly.
After replacement,
adjust sensor reflection
amount from "Sen:
PaperEdge AD" of
"Test: Sensor" of self-
diagnosis function.
"4.10.1
Replacing CR
Board
Assembly"
p.4-64
d) Replace main
board assembly.
Before replacing main
board, back up
parameters and recover
to new main board
assembly. Then start
operation check.
"4.3.3
Replacing
Main Board
Assembly"
p.4-21
Table 9-3 Symptoms and Check Items for Errors with Message(Continued)
No. Message Event/
symptom
Check item Action Reference