MUTOH ValueJet 1604 Service Manual page 413

VJ-1604 Maintenance Manual
Table 9-9 Symptoms, Check Items and Actions for Printing Problems (Continued)
No. Symptom
7 Blocky printing
8 quality.
9 Blocky image printing.
10 CR line seems dotted.
White or black lines
appear in printing.
Check item
11. Does pump motor
rotate during cleaning
operation?
12. When cleaning
operation is
performed, does
transmission gear
rotate properly?
13. When cleaning
operation is
performed, are gears
and transmission gear
shaft damaged?
14. Is spring of ink system
assembly detached or
damaged?
15. Is ink tube in ink
system assembly bent?
16. Is registered head
voltage different from
actual head voltage?
9-51
Action
• Reconnect MAIN board
assembly connector J22.
• Replace pump motor
assembly.
• Replace MAIN board
assembly.
Replace maintenance base
assembly.
Replace maintenance base
assembly.
• If the part is detached,
remount it.
• If the part is damaged,
replace ink system
assembly.
• Replace ink system
assembly and check if
cleaning operation
causes ink inflow.
• If ink inflow is
confirmed, execute
initial ink charge.
Enter correct head voltage.
9 Troubleshooting
Reference
"4.4.7
Replacing
MAIN Board"
p.4-49
"4.9.3
Replacing
Maintenance
Assembly"
p.4-123
"4.4.7
Replacing
MAIN Board"
p.4-49
"4.9.3
Replacing
Maintenance
Assembly"
p.4-123
"4.9.3
Replacing
Maintenance
Assembly"
p.4-123
"4.10.1
Replacing Ink
ID Board
Assembly"
p.4-133
"4.10.1
Replacing Ink
ID Board
Assembly"
p.4-133
"(1) Head
Rank" p.5-56
Rev.-05