MUTOH ValueJet VJ-1604, Maintenance Manual

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9 Troubleshooting VJ-1604 Maintenance Manual
Rev.-00 9-48
3 Missing dots in
printing. 1. Perform cleaning
twice consecutively.
Operation
Manual
2. Is ink tube filled with
ink?
Perform drop ink charge. Operation
Manual
3. Perform "Check 4:
Adjustment" -> "Adj
1: NozzleChk" of
printer self-diagnosis
or "Test Print".
If the nozzle check patterns
are printed correctly, refer to
the action in check item No.
4. "5.7.7 Test
Printing
Menu" p.5-39
4. Does pump motor
rotate during cleaning
operation?
• Reconnect MAIN board
assembly connector J22.
• Replace Pump motor
assembly.
• Replace MAIN board
assembly.
"4.4.7
Replacing
MAIN Board"
p.4-49
5. Are gears and
transmission gear shaft
damaged or poorly
engaged during
cleaning operation?
Replace maintenance base
assembly.
4 Nozzle plugging or ink
splash is not eliminated
even after cleaning. 1. Is spring of ink system
assembly detached or
damaged?
• If the part is detached,
remount it.
• If the part is damaged,
replace ink system
assembly.
"4.10.1
Replacing Ink
ID Board
Assembly"
p.4-125
2. Check cleaning wiper
condition.
• Wipe cleaning wiper
surface with accessory
polynit wiper. After
wiping cleaning wiper,
perform cleaning twice
consecutively.
• If cleaning wiper is
sticky with ink, replace it
with a new one.
Operation
Manual
"4.9.2
Replacing
Cleaner Head"
p.4-121
Table 9-11 Symptoms, Check Items and Actions for Printing Problems (Continued)
No. Symptom Check item Action Reference