Oki IP-6620, Maintenance Manual

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OKI Data Infotech Corporation CONFIDENTIAL
Chapter 5 Troubleshooting (Engine Section and USB Controller Section)
5-7
[Symptom C]
Cause User Solution
Service Engineer
Inspection
Assumed
Replacement Part
Reference
to Check/
Replace
Parts
The media advance
adjustment value is
incorrect. (1) Adjust the media advance adjustment value.
(2) 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.
- 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.
- Install the last firmware
version.
- Check the connection of
HEAD CABLE,MW
connectors on the
HCB1M and the print
heads.
- Check the connection of
CARRIAGE FFC,MW
connectors on the
HCB1M and the IPB5.
- Check the connection of
ROBOT CABLE,MW
connectors.
- Firmware version
- PCB-ASSY-IPB5-100
- HEAD CABLE,MW
- INKJET HEAD,MW
- ROBOT CABLE,MW
- CARRIAGE FFC,MW
- PCB-ASSY-HCB1M
- ROBOT CABLE,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) 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 User Solution
Service Engineer
Inspection
Assumed
Replacement Part
Reference
to Check/
Replace
Parts
The ink dries too
slowly.
(Mottling or bleeding
occurs.) (1) Increase the temperature of all three heaters by 5°C. *1
* Before starting the print, ensure that the heater temperatures have
been decreased to the target temperature.
(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.
- Install the last firmware
version.
- Check the connection of
HEAD CABLE,MW
connectors on the
HCB1M and the print
heads.
- Check the connection of
CARRIAGE FFC,MW
connectors on the
HCB1M and the IPB5.
- Check the connection of
ROBOT CABLE,MW
connectors.
- Firmware version
- PCB-ASSY-IPB5-100
- HEAD CABLE,MW
- INKJET HEAD,MW
- ROBOT CABLE,MW
- CARRIAGE FFC,MW
- PCB-ASSY-HCB1M
- ROBOT CABLE,MW
*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.