MUTOH ValueJet VJ-1604, Maintenance Manual

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VJ-1604 Maintenance Manual 9 Troubleshooting
9-41 Rev.-00
7 Machine makes no
operations after
turned ON. 1. Is "Sen: Cover open"
displayed on LCD
with printer cover
closed?
Or, is cover sensor
assembly function
detected as normal
when checked
through "Test 4:
Sensor" of self-
diagnosis function?
• Check MAIN board
assembly connector
J38, J40.
• Replace cover sensor
assembly.
"4.4.7
Replacing
MAIN
Board" p.4-
49
"4.3.2
Replacing
Maintenance
Cover
Sensor" p.4-
31
8 After turned ON,
machine displays
"Initializing" and
resets itself. 2. Check panel cable
connectors at
operation panel unit
assembly and MAIN
board assembly.
• Is panel cable
inserted obliquely?
• Is it locked securely?
Reconnect following
connectors.
• Main board
assembly: J5
• Operation panel unit
assembly: J1
"4.4.7
Replacing
MAIN
Board" p.4-
49
9 Machine does not
perform initialization
even if media is set. 3. Is "Set Paper"
displayed on LCD
with pressure arm
lowered?
• Check MAIN board
assembly connector
J30.
• Replace lever sensor
assembly.
"4.4.7
Replacing
MAIN
Board" p.4-
49
"4.6.6
Replacing
Lever Up
Sensor" p.4-
67
10 Machine does not
start operation even if
front cover is closed. 4. Is P_REAR sensor
assembly judged as
normal when
checked through
"Test 4: Sensor" of
self-diagnosis
function?
• Check MAIN board
assembly connector
J42.
• Replace P_REAR
sensor Assembly.
"4.4.7
Replacing
MAIN
Board" p.4-
49
"4.6.5
Replacing
P_REAR
Sensor
Assembly"
p.4-65
Table 9-9 Symptoms, Check Items and Actions for Initial Operation Problems (Continued)
No. Symptom Check item Action Reference