Oki IP-6620 - Page 173

OKI Data Infotech Corporation CONFIDENTIAL
Chapter 5 Troubleshooting (Engine Section and USB Controller Section)
5-14
<Clogged nozzles cannot be cleared.>
[Symptom A]
Cause
User Solution
Service Engineer
Inspection
Assumed
Replacement Part
Reference
to Check/
Replace
Parts
Damaged media
edges.
If the media is damaged with some sections coming out from the
edge guards, it may contact the heads nozzle surfaces and cause
nozzles to clog.
Cut any damaged sections with a pair of scissors or a cutter before
installing the media.
- Install the last firmware
version.
- Check that the nozzles
eject ink correctly.
- Check the carriage
height.
- Check the cap position.
- Check that ink is sucked
when performing the FILL
CAP or PH.RECOVERY
operation.
- Check the wiping unit
operation.
- Check the wiping position.
- Check the operation of
the subtank sensor.
- Fill the system with ink
again.
- Clean the ink system with
cleaning liquid.
- Firmware version
- CAPPING UNIT,MW
- INKJET HEAD,MW
- WIPING UNIT,MW
- CLEANING LIQUID
SET
- SUBTANK
ASSY,MW
- SUPPLY-TUBE-
ASSY(MW)
Adhesive coming off
the vinyl causing the
media to rise.
Feed the media to beyond the risen area.
Media wrinkling and
rising.
Set the suction fan level to HIGH.
Decrease the printheater temperature.
Media adhering to
the platen.
Set the suction fan level to LOW or OFF to make it advance again.
Setting media advance mode to BACK & FWD LOW may also
prevent the media from adhering to the platen.
Daily maintenance.
Check that the daily maintenance has been executed and that it is
performed periodically.