MUTOH ValueJet Service Manual page 360

Table 9-9 Symptoms, Check Items and Actions for Printing Problems (Continued)
No. Symptom
5 No printing.
Particular color is
missing.
AP-74109 Rev 1.1
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.
9-46
ValueJet 1304 Service manual
Action
Replace maintenance base
assembly.
Reconnect head cable.
Replace CR board assembly.
Replace main board
assembly.
Reference
"4.7.1
Removing
Maintenance
Base
Assembly"
p.4-71
"4.6.1
Replacing
Print Head"
p.4-61
"4.10.1
Replacing CR
Board
Assembly"
p.4-91
"4.6.1
Replacing
Print Head"
p.4-61
"4.10.1
Replacing CR
Board
Assembly"
p.4-91
"4.3.3
Replacing
Main Board
Assembly"
p.4-29