Muton ValuejetVJ-1604, Maintenance Manual

Page: 383 / 422

VJ-1604 Maintenance Manual 9 Troubleshooting
9-61 Rev.-00
12 17. Main board assembly
may be damaged.
Replace MAIN board
assembly. "4.4.7
Replacing
MAIN Board"
p.4-49
13 Mixed color lines are
not overlaid. 1. Is CR belt tension
adjusted to
specification?
Adjust CR belt tension. "7.6 CR
Speed
Reduction Belt
Tension
Adjustment"
p.7-27
2. Is registered head
voltage different from
actual head voltage?
Enter correct head voltage. "(1) Head
Rank" p.5-50
3. Is head slant
inappropriate?
Adjust head slant. "7.6 CR
Speed
Reduction Belt
Tension
Adjustment"
p.7-27
4. Are bi-directional
printing positions
aligned correctly?
Align bi-directional printing
positions. "5.7.5 Uni-
D/Bi-D Low/
High
Adjustment"
p.5-33
5. Is CW adjustment
inappropriate?
Perform CW adjustment. "5.7.5 Uni-
D/Bi-D Low/
High
Adjustment"
p.5-33
14 Black and other colors
do not align. 1. Check if CR_ENC
assembly and T fence
contact with each
other.
• 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.
"4.8.3
Replacing CR
Board
Assembly"
p.4-106
"4.7.4
Replacing T
Fence" p.4-91
Table 9-11 Symptoms, Check Items and Actions for Printing Problems (Continued)
No. Symptom Check item Action Reference