MUTOH ValueJet 1304 Service Manual page 393

VJ-1304 Maintenance Manual
Table 9-9 Symptoms, Check Items and Actions for Printing Problems (Continued)
No. Symptom
12 Many satellites
(unnecessary dots)
Shaggy plotout
Uneven lines (plotted
with stains)
13 Mixed color lines are
not overlaid.
14 Black and other colors
do not align.
CS9050, CS9150
Check item
17. Main board assembly
may be damaged.
1. Is CR belt tension
adjusted to
specification?
2. Is registered head
voltage different from
actual head voltage?
3. Is head slant
inappropriate?
4. Are Bi-Directional
printing positions
aligned correctly?
5. Is CW adjustment
inappropriate?
Check if CR_ENC
assembly and T fence
contact with each other.
9-55
Action
Replace main board
assembly.
Adjust CR belt tension.
Enter correct head voltage.
Adjust head slant.
Align Bi-Directional printing
positions.
Perform CW adjustment.
• If they contact with each
other, adjust CR_ENC
assembly and T fence
positions.
• If problem remains even
after position
adjustment, replace CR
board assembly and T
fence.
9 Troubleshooting
Reference
"4.3.3
Replacing
Main Board
Assembly"
p.4-26
"7.7 CR
Belt Tension
Adjustment"
p.7-70
"(1) Head
Rank" p.5-57
"7.7 CR
Belt Tension
Adjustment"
p.7-70
"5.7.6 Uni-
D / Bi-D Low
and High
Adjustment"
p.5-36
"5.7.6 Uni-
D / Bi-D Low
and High
Adjustment"
p.5-36
"4.10.1
Replacing CR
Board
Assembly"
p.4-84
"4.5.4
Replacing T
Fence" p.4-50
Rev.-01