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