MUTOH ValueJet 1604 Service Manual page 399

VJ-1604 Maintenance Manual
Table 9-7 Symptoms, Check Items and Actions for Initial Operation Problems (Continued)
No. Symptom
7 Machine makes no
operations after
turned ON.
8 After turned ON,
machine displays
"Initializing" and
resets itself.
9 Machine does not
perform initialization
even if media is set.
10 Machine does not
start operation even if
front cover is closed.
11 Machine does not stop
even if front cover is
opened.
Check item
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?
2. Check panel cable
connectors at
operation panel unit
assembly and MAIN
board assembly.
• Is panel cable
inserted obliquely?
• Is it locked securely?
3. Is "Set Paper"
displayed on LCD
with pressure arm
lowered?
4. Is P_REAR sensor
assembly judged as
normal when
checked through
"Test 4: Sensor" of
self-diagnosis
function?
5. Is DC cable assembly
connected correctly
between power board
assembly and MAIN
board assembly?
9-37
Action
• Check MAIN board
assembly connector
J38, J40.
• Replace cover sensor
assembly.
Reconnect following
connectors.
• Main board
assembly: J5
• Operation panel unit
assembly: J1
• Check MAIN board
assembly connector
J30.
• Replace lever sensor
assembly.
• Check MAIN board
assembly connector
J42.
• Replace P_REAR
sensor Assembly.
• Reconnect DC cable
assembly.
• Replace DC cable
assembly.
9 Troubleshooting
Reference
"4.4.7
Replacing
MAIN
Board" p.4-
49
"4.3.2
Replacing
Maintenance
Cover
Sensor" p.4-
31
"4.4.7
Replacing
MAIN
Board" p.4-
49
"4.4.7
Replacing
MAIN
Board" p.4-
49
"4.6.6
Replacing
Lever Up
Sensor" p.4-
68
"4.4.7
Replacing
MAIN
Board" p.4-
49
"4.6.5
Replacing
P_REAR
Sensor
Assembly"
p.4-66
"4.4.2
Replacing
Power Board
Assembly"
p.4-41
Rev.-05