Oki IP-6620 - Page 169

OKI Data Infotech Corporation CONFIDENTIAL
Chapter 5 Troubleshooting (Engine Section and USB Controller Section)
5-10
<Contours of objects are blurred.>
[Symptom A]
Cause
User Solution
Service Engineer
Inspection
Assumed
Replacement Part
Reference
to Check/
Replace
Parts
The ink dries too
slowly.
The ink is ejected
excessively.
(1) Decrease 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) If printing in high density, print in normal density.
(5) Use proven media.
(6) 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 that the nozzles
eject ink correctly.
- Check the carriage
height.
- 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
*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 B]
Cause
User Solution
Service Engineer
Inspection
Assumed
Replacement Part
Reference
to Check/
Replace
Parts
The print heads
positions are
misaligned.
The bidirectional
print position is
misaligned.
(1) Adjust the print heads positions.
(2) Adjust the bidirectional print position.
(3) If bidirectional adjustment has been performed automatically,
perform it again manually.
- 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