Oki IP-6620 - Page 163

OKI Data Infotech Corporation CONFIDENTIAL
Chapter 5 Troubleshooting (Engine Section and USB Controller Section)
5-4
<White stripes appear on the print.>
[Symptom A]
Cause
User Solution
Service Engineer
Inspection
Assumed
Replacement Part
Reference
to Check/
Replace
Parts
Media feed is not
adjusted properly.
Adjust the media advance adjustment value.
* 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.
- Install the last firmware
version.
- Check that the nozzles
eject ink correctly.
- 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.
- Firmware version
- PRINT HAED
- CAP, MW
- WIPING UNIT,MW
The media advance
accuracy is poor, or
is not stable.
(1) Check that the media was installed properly in the conditions
below.
- 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.