Xerox 7142 Service Manual - 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