Oki IP-6620 Maintenance Manual page 163

<White stripes appear on the print.>
[Symptom A]
Cause
Media feed is not Adjust the media advance adjustment value.
adjusted properly. * The media advance adjustment value differs depending on the
winding mode, loose or tension.
- Be sure to adjust the media advance adjustment value again after
changing the winding mode (loose or tension).
- Be sure to adjust the media advance adjustment value again after
changing the pressure roller lever position.
- Be sure to adjust the media advance adjustment value again after
changing the suction fan setting of the media preset.
The media advance (1) Check that the media was installed properly in the conditions
accuracy is poor, or below.
is not stable. - The installed media is installed parallel to the printer.
- The operation panel shows the media type correctly.
- The media winding mode is optimal for the installed media.
- If the media is curled or wrinkled, see the description on the
problem, The media is curled or wrinkled.
(2) Adjust the pressure on the media with the pressure roller lever. *1
(3) Change the print mode to be slower. *1 *2
(4) Check that the media is correctly stretched between the paper roll
and the pressure roller.
* If the media is loose when performing the media advance
adjustment, the value will be incorrect.
*1 Adjust the media advance adjustment value again.
*2 Note that the print speed differs depending on the mode selected.
5-4
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. - PRINT HAED
- Check that the nozzles - CAP, MW
eject ink correctly. - WIPING UNIT,MW
- 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.
Reference
Assumed to Check/
Replace
Parts