MUTOH ValueJet 1604 Service Manual page 398

9 Troubleshooting
Table 9-7 Symptoms, Check Items and Actions for Initial Operation Problems (Continued)
No. Symptom
6
Rev.-05
Check item
9. Is head cable broken?
10. Is print head
assembly damaged?
11. Is CR board
assembly damaged?
12. Check connection of
CR cable connectors
on CR board
assembly side and
MAIN board
assembly side.
• Is head cable inserted
obliquely?
• Is it locked securely?
13. Is CR cable broken?
14. Main board assembly
may be defective.
9-36
VJ-1604 Maintenance Manual
Action
Replace head cable.
Replace print head
assembly.
Replace CR board
assembly.
Reconnect following
connectors.
• CR board assembly
connector: J201 - J205
• Main board assembly
connector: J9 - J11
Replace CR cable.
Replace MAIN board
assembly.
Reference
"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
"4.8.3
Replacing
CR Board
Assembly"
p.4-107
"4.4.7
Replacing
MAIN
Board" p.4-
49
"4.7.8
Replacing
CR_FFC"
p.4-100
"4.4.7
Replacing
MAIN
Board" p.4-
49