Xerox 7142 Service Manual page 281

RJ-901C/RJ-900C Maintenance Manual
Table 9-9 Symptoms, Check Items and Actions for Initial Operation Problems (Continued)
No. Symptom
6
Check item
4. Does pump motor
rotate during
cleaning operation?
5. When cleaning
operation is
performed, are gears
damaged or poorly
engaged?
6. When cleaning
operation is
performed, is
transmission gear
shaft damaged?
7. Does ink tube have
bend, scratch, or
leak?
8. Check connection of
head cable
connectors on CR
board assembly side
and head side.
• Is head cable inserted
obliquely?
• Is it locked securely?
9-37
Action
• Reconnect main board
assembly connector
J102, J103.
• Replace pump motor.
• Replace main board
assembly.
Replace maintenance base
assembly.
Replace maintenance base
assembly.
• Replace damaged ink
tube and check if
cleaning operation
causes ink inflow after
each replacement.
• If ink inflow is
confirmed, execute
initial ink charge.
Reconnect head cable.
9 Troubleshooting
Reference
"4.3.3
Replacing
Main Board
Assembly"
p.4-21
"4.7.1
Removing
Maintenance
Base
Assembly"
p.4-47
"4.7.1
Removing
Maintenance
Base
Assembly"
p.4-47
"4.7.1
Removing
Maintenance
Base
Assembly"
p.4-47
"4.10.2
Replacing
Ink Tube"
p.4-65
"4.6.1
Replacing
Print Head"
p.4-37
"4.10.1
Replacing
CR Board
Assembly"
p.4-64