Oki IP-6620 Maintenance Manual page 171

<Vertical banding appears at the printout edges.>
[Symptom A] [Symptom B]
Cause
When, on the platen, Shift the media so that the contacting point between the media edge
the contacting point and the media edge guard on the platen does not come close to the
between a media vacuum hole.
edge and the media
edge guard is near a
platen's vacuum
hole, the printer may
suck the ejected ink
partially between the
media and the
media edge guard.
As a result, vertical
banding may
appear.
5-12
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. - PCB-ASSY-IPB5-100
- Check the connection of - HEAD CABLE,MW
HEAD CABLE,MW - INKJET HEAD,MW
connectors on the - ROBOT CABLE,MW
HCB1M and the print - CARRIAGE FFC,MW
heads. - PCB-ASSY-HCB1M
- Check the connection of - ROBOT CABLE,MW
CARRIAGE FFC,MW
connectors on the
HCB1M and the IPB5.
- Check the connection of
ROBOT CABLE,MW
connectors.
Reference
Assumed to Check/
Replace
Parts