Oki IP-6620, Maintenance Manual

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OKI Data Infotech Corporation CONFIDENTIAL
Chapter 5 Troubleshooting (Engine Section and USB Controller Section)
5-6
<Black stripes appear on the print.>
[Symptom A]
Cause User Solution
Service Engineer
Inspection
Assumed
Replacement Part
Reference
to Check/
Replace
Parts
The print heads
periphery is
smeared. (1) Check for obstructions such as media lint or ink clot in the nozzle
scanning path including the platen surface, and remove them.
(2) If the media is curled or wrinkled, solve the problem by referring
to the description on the problem, The media is curled or
wrinkled.
(3) Perform the daily maintenance.
* Do not forget to clean the head guard and media edge guards.
* Be sure to perform the print head cleaning.
(4) Clean the print heads surfaces with print sheet mount cleaning.
- Install the last firmware
version.
- Check the connection of
HEAD CABLE,MW
connectors on the
HCB1M and the print
heads.
- Check the connection of
CARRIAGE FFC,MW
connectors on the
HCB1M and the IPB5.
- Check the connection of
ROBOT CABLE,MW
connectors.
- Firmware version
- PCB-ASSY-IPB5-100
- HEAD CABLE,MW
- INKJET HEAD,MW
- ROBOT CABLE,MW
- CARRIAGE FFC,MW
- PCB-ASSY-HCB1M
- ROBOT CABLE,MW
[Symptom B]
Cause User Solution
Service Engineer
Inspection
Assumed
Replacement Part
Reference
to Check/
Replace
Parts
During bidirectional
printing, the order of
ejected ink colors in
the rightward
direction differs form
that in the leftward
dircetion. (1) Change the print mode to be slower. *1 *2 *3
(2) Print in unidirectional mode. *2
(3) Use proven media. - Install the last firmware
version.
- Check the connection of
HEAD CABLE,MW
connectors on the
HCB1M and the print
heads.
- Check the connection of
CARRIAGE FFC,MW
connectors on the
HCB1M and the IPB5.
- Check the connection of
ROBOT CABLE,MW
connectors.
- Firmware version
- PCB-ASSY-IPB5-100
- HEAD CABLE,MW
- INKJET HEAD,MW
- ROBOT CABLE,MW
- CARRIAGE FFC,MW
- PCB-ASSY-HCB1M
- ROBOT CABLE,MW
*1 Adjust the media advance adjustment value again.
*2 Note that the print speed differs depending on the mode selected.
*3 Be sure to adjust the bidirectional adjustment value again after changing the carriage speed.