MUTOH ValueJet Service Manual page 347

ValueJet 1304 Service manual
Table 9-7 Symptoms, Check Items and Actions for Initial Operation Problems (Continued)
No. Symptom
6 Ink is not discharged
though ink charge is
finished.
Check item
1. Are damper
assembly, ink tube
and SUS pipe joint
screws (K, Y, M, C)
securely tightened?
Is O-ring properly
installed?
2. Does shield part of
damper assembly
have air leak?
3. Is ink tube in ink
system assembly
bent?
4. Does pump motor
rotate during
cleaning operation?
5. When cleaning
operation is
performed, are gears
damaged or poorly
engaged?
9-33
Action
• Remove head cover
and check damper
assembly.
• Remove side cover (L, R)
and cartridge cover, and
check ink tube and SUS
pipe joint screws.
• Replace damper
assembly and check if
cleaning operation
causes ink inflow.
• If ink inflow is
confirmed, execute
initial ink charge.
• Replace ink system
assembly and check if
cleaning operation
causes ink inflow.
• If ink inflow is
confirmed, execute
initial ink charge.
• Reconnect main board
assembly connector
J22, J23.
• Replace pump motor.
• Replace main board
assembly.
Replace maintenance base
assembly.
Reference
"4.2.1
Removing R
Side Cover"
p.4-6
"4.2.3
Removing L
Side Cover"
p.4-10
"4.2.4
Removing
Ink Holder (I/
H) Cover"
p.4-12
"4.6.1
Replacing
Print Head"
p.4-61
"4.7.2
Replacing
Maintenance
Assembly"
p.4-76
"4.3.3
Replacing
Main Board
Assembly"
p.4-29
"4.7.1
Removing
Maintenance
Base
Assembly"
p.4-71
"4.7.1
Removing
Maintenance
Base
Assembly"
p.4-71
AP-74109 Rev 1.1