Oki IP-6620 Maintenance Manual page 168

[Symptom C]
Cause
The print heads are (1) Check that the media was installed properly in the conditions
scratched by the below.
media. - 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) Check for obstructions such as media lint or ink clot in the nozzle
scanning path including the platen surface, and remove them.
(3) Perform the daily maintenance.
* Do not forget to clean the head guard and media edge guards.
* Be sure to perform print head cleaning.
(4) Clean the print heads surfaces with print sheet mount cleaning.
(5) Set the suction fan parameter of the preset to a stronger setting.
*1
(6) If the ionizer is set to ON, set it to OFF.
*1 Adjust the media advance adjustment value again.
[Symptom D]
Cause
The pressure roller Clean the pressure roller.
is dirty.
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. - PRINT HAED
- Check that the nozzles
- CAP，MW
eject ink correctly.
- WIPING UNIT,MW
- 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.
Service Engineer
Inspection Replacement Part
- Install the last firmware - Firmware version
version. - PINCH ROLLER,
- Check that the pinch roller MW
is not damaged. - 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
5-9