Muton ValuejetVJ-1604, Maintenance Manual

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9 Troubleshooting VJ-1604 Maintenance Manual
Rev.-00 9-62
15 Poor accuracy of
segment length in head
travel direction (main
scan direction). 1. Is working
environment
appropriate?
Use machine under specified
environment. "3.5
Choosing a
Place for the
Printer" p.3-6
2. Is CR belt tension
adjusted to
specification?
Adjust CR belt tension. "7.6 CR
Speed
Reduction Belt
Tension
Adjustment"
p.7-27
3. Is T fence
contaminated?
• Clean T fence.
• If T fence is still
contaminated or
damaged, replace T
fence.
"4.7.4
Replacing T
Fence" p.4-91
4. Internal process of
MAIN board assembly
may be abnormal.
Initialize parameters and
reenter or modify them.
Then, check machine
operation again. "5.11.1
Parameter
Initialization
Menu" p.5-47
16 Poor linearity in head
scan direction
(straightness) 1. Is suction fan run as
normal when checked
through "Test 6: Fan"
of self-diagnosis
function?
• Check connection of
following MAIN board
assembly connectors.
• Suction 1 - 4 cable:
J25 - J29
• Replace suction fan
assembly.
• Replace cable of suction
fan that does not operate
normally.
"4.6.8
Replacing
Suction Fan"
p.4-76
2. Is PF driving pulley
loose?
Replace PF motor assembly. "4.6.2
Replacing PF
Motor
Assembly"
p.4-61
3. Is PF speed reduction
belt tension adjusted to
specification?
Adjust PF speed reduction
belt tension. "(2)
Confirming
Completion of
Installation to
Plotter" p.7-14
Table 9-11 Symptoms, Check Items and Actions for Printing Problems (Continued)
No. Symptom Check item Action Reference