Oki IP-6620 Maintenance Manual page 166

[Symptom C]
Cause
The media advance (1) Adjust the media advance adjustment value.
adjustment value is (2) Check that the media is correctly stretched between the paper roll
incorrect. and the pressure roller.
* If the media is loose when performing the media advance
adjustment, the value will be incorrect.
- 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 setting.
- 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 the print mode to be slower. *1 *2
(4) Change the suction fan power. *1
(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.
[Symptom D]
Cause
The ink dries too (1) Increase the temperature of all three heaters by 5°C. *1
slowly. * Before starting the print, ensure that the heater temperatures have
(Mottling or bleeding been decreased to the target temperature.
occurs.) (2) Change to a more suitable print mode, or set the carriage speed
to SLOW. *1 *2 *3
(3) Print in unidirectional mode. *2
(4) Use proven media.
(5) With the RIP software, apply the profile with a low ink amount to
be ejected.
* Note that the hue may change if the ejected ink amount
decreases.
*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.
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
5-7