MUTOH ValueJet 1604 Service Manual page 425

VJ-1604 Maintenance Manual
Table 9-10 Symptoms, Check Items, and Actions for Noise Problems (Continued)
No. Symptom
3
4 Abnormal noise is
heard during media
feeding.
Check item
5. Does the cable
connected to CR board
assembly on carriage
contact with CR
cover?
6. Is abnormal noise
heard from CR driven
pulley bearing?
7. Is CR belt tension
adjusted to
specification?
8. Is abnormal noise
heard from CR motor
assembly?
1. Is PF speed reduction
belt slipping between
PF speed reduction
pulleys?
2. Is abnormal noise
heard from PF motor
assembly?
3. Is rough surface of
grid roller partially
worn out?
4. Is grid roller rotation
heavy? Does rattling
occur when it rotates?
9-63
Action
• If they contact with each
other, adjust the cable
position.
• If problem remains even
after position
adjustment, replace the
cable.
Replace it.
Adjust CR belt tension.
Replace CR motor assembly.
Replace PF speed reduction
belt.
Replace PF motor assembly.
If grid roller is contaminated
with media dust, clean roller
with a nylon brush.
9 Troubleshooting
Reference
"4.7.8
Replacing
CR_FFC" p.4-
100
"4.7.6
Replacing CR
Driven Pulley"
p.4-97
"7.7 CR
Speed
Reduction Belt
Tension
Adjustment"
p.7-32
"4.7.2
Replacing CR
Motor
Assembly"
p.4-88
"4.6.2
Replacing PF
Motor
Assembly"
p.4-62
"4.6.2
Replacing PF
Motor
Assembly"
p.4-62
Operation
Manual
Rev.-05