MUTOH ValueJet 1604 Service Manual page 411

VJ-1604 Maintenance Manual
Table 9-9 Symptoms, Check Items and Actions for Printing Problems (Continued)
No. Symptom
7 Blocky printing
8 quality.
9 Blocky image printing.
10
CR line seems dotted.
White or black lines
appear in printing.
Check item
2. Have you started
printing immediately
after initial charge?
3. Is suction fan run as
normal when checked
through "Test: Fan" of
self-diagnosis
function?
9-49
Action
Printing just after initial
charge may cause following
symptoms.
• Printed line blurs.
• White lines appear.
In such cases, perform
cleaning two or three times
and check printout again.
If symptoms remain even
after cleaning, leave machine
unused for 1 hour or more.
Then perform cleaning again
and check printout.
If symptoms still remains,
refer to Operation Manual to
contact the technical support.
• Check connection of
following MAIN board
assembly connectors.
• Suction fan relay 1 - 4
assembly: J25 - 29
• Replace suction fan
assembly.
• Replace cable of suction
fan that does not operate
normally.
9 Troubleshooting
Reference
Operation
Manual
"4.6.8
Replacing
Suction Fan"
p.4-77
Rev.-05