MUTOH ValueJet 1604 Service Manual page 409

VJ-1604 Maintenance Manual
Table 9-9 Symptoms, Check Items and Actions for Printing Problems (Continued)
No. Symptom
5
Check item
13. When cleaning
operation is
performed, is
transmission gear shaft
damaged?
14. Check head cable
connectors at CR
board assembly side
and print head
assembly side.
• Is head cable inserted
obliquely?
• Is it locked securely?
15. Is print head damaged? Replace damaged print head.
16. CR board assembly
may be defective.
17. Main board assembly
may be damaged.
9-47
Action
Replace maintenance base
assembly.
Reconnect head cable.
Replace CR board assembly.
Replace MAIN board
assembly.
9 Troubleshooting
Reference
"4.9.3
Replacing
Maintenance
Assembly"
p.4-123
"4.8.9
Replacing
Print Head"
p.4-115
"4.8.3
Replacing CR
Board
Assembly"
p.4-107
"4.8.9
Replacing
Print Head"
p.4-115
"4.8.3
Replacing CR
Board
Assembly"
p.4-107
"4.4.7
Replacing
MAIN Board"
p.4-49
Rev.-05