Oki IP-6620 Maintenance Manual page 173

<Clogged nozzles cannot be cleared.>
[Symptom A]
Cause
Damaged media If the media is damaged with some sections coming out from the
edges. 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.
Adhesive coming off Feed the media to beyond the risen area.
the vinyl causing the
media to rise.
Media wrinkling and Set the suction fan level to HIGH.
rising. Decrease the printheater temperature.
Media adhering to Set the suction fan level to LOW or OFF to make it advance again.
the platen. 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.
5-14
Chapter 5 Troubleshooting (Engine Section and USB Controller Section)
User Solution
OKI Data Infotech Corporation CONFIDENTIAL
Service Engineer
Inspection Replacement Part
- Install the last firmware - Firmware version
version. - CAPPING UNIT,MW
- Check that the nozzles - INKJET HEAD,MW
eject ink correctly. - WIPING UNIT,MW
- Check the carriage - CLEANING LIQUID
height. SET
- Check the cap position. - SUBTANK
- Check that ink is sucked ASSY,MW
when performing the FILL - SUPPLY-TUBE-
CAP or PH.RECOVERY ASSY(MW)
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.
Reference
Assumed to Check/
Replace
Parts