Oki IP-6620 Maintenance Manual page 170

[Symptom C]
Cause
The media advance Correct the media advance adjustment value. If media advance
adjustment value is adjustment has been performed automatically, perform it again
incorrect. manually.
- The adjustment value differs depending on the winding mode,
tension or loose.
- Be sure to adjust the media advance adjustment value again after
changing the suction fan power.
- Be sure to adjust the media advance adjustment value again after
changing the pressure roller lever position.
- If the ionizer is set to ON, set it to OFF.
- If automatic adjustment has been performed, perform manual
adjustment.
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 to a more suitable print mode, or set the carriage speed
to SLOW. *1 *2 *3
(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.
(5) If the ionizer is set to ON, set it to OFF.
*1 Adjust the media advance adjustment value again.
*2 Note that the print speed differs depending on the mode selected.
*3 Be sure to adjust the bidirectional adjustment value again after changing the carriage speed.
[Symptom D]
Cause
Print defect caused (1) Set the ionizer to ON. *4
by media static (2) Change to a more suitable print mode, or set the carriage speed
electricity / Ink to SLOW. *1 *2 *3
sprayed over white (3) Use proven media.
portions of the
media.
*1 Adjust the media advance adjustment value again.
*2 Note that the print speed differs depending on the mode selected.
*3 Be sure to adjust the bidirectional adjustment value again after changing the carriage speed.
*4 Set the ionizer to OFF with media where no print defects caused by static electricity occur.
Chapter 5 Troubleshooting (Engine Section and USB Controller Section)
User Solution
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.
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
Reference
Assumed to Check/
Replace
Parts
5-11