Xerox 7142 Service Manual - page 297

RJ-901C/RJ-900C 　 Maintenance Manual

9 Troubleshooting

9-53

8

9

10

11

2. Have you started 

printing immediately 

after initial charge?

Printing just after initial 

charge may cause following 

symptoms.

• Printed line blurs.

• White lines appear.

In such cases, perform 

cleaning two or three times 

and check printout again.

If symptoms remain even 

after cleaning, leave machine 

unused for 1 hour or more. 

Then perform cleaning again 

and check printout.

Operation 

Manual

3. Is suction fan run 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

Table 9-11  Symptoms, Check Items and Actions for Printing Problems(Continued)

No.

Symptom

Check item

Action

Reference