Media Feed Problems - MUTOH ValueJet 1604 Service Manual

9 Troubleshooting
9.3.2

Media Feed Problems

Table 9-8 Symptoms, Check Items and Actions for Media Feed Problems
No. Symptom
1 Media comes off
during media set
initialization or
printing.
2 Media runs obliquely
or meanders during
media set
initialization or
printing.
3 Media crinkles during
media set
initialization or
printing.
4 Media jams during
media set
initialization or
printing.
5 Media is torn during
media set
initialization or
printing.
Rev.-05
Check item
1. Are P_REAR sensor
assembly and
P_EDGE sensor
assembly detected as
normal when
checked through
"Test 4: Sensor" of
self-diagnosis
function?
2. Is suction fan run as
normal when
checked through
"Test 6: Fan" of self-
diagnosis function?
3. When pressure lever
is moved backward
and forward, does
pressure assembly
move smoothly in
synchronization with
it?
4. Does pressure roller
drag when pressure
lever is raised?
9-40
VJ-1604 Maintenance Manual
Action
• Check following
connectors.
• Main board
assembly: J42, J9 -
J11
• CR board assembly:
J208, J201 - J203
• Replace P_REAR
sensor assembly and
P_EDGE sensor
assembly.
• Check connection of
following MAIN board
assembly connectors.
• Suction fan relay
assembly: J25 - J29
• Replace suction fan
assembly.
• Replace cable of
suction fan that does
not operate normally.
Lubricate pressure cam.
If pressure roller collects
media dust on itself, wipe
dust away using a wet soft
cloth.
Reference
"4.4.7
Replacing
MAIN
Board" p.4-
49
"4.8.3
Replacing
CR Board
Assembly"
p.4-107
"4.6.5
Replacing
P_REAR
Sensor
Assembly"
p.4-66
"4.8.11
Replacing
P_EDGE
Sensor
Assembly"
p.4-119
"4.6.8
Replacing
Suction Fan"
p.4-77
"8.5
Lubrication/
Bonding"
p.8-6
Operation
Manual