Oki IP-6620 Maintenance Manual page 159

< The media is curled or wrinkled >
Symptom
Outside the (1) Use the printer within the operating temperature/humidity range.
operating * Note that some media may wrinkles even within the operating
temperature/humidit temperature and humidity range.
y range (2) Use proven media.
The media storage If there is a difference between the media storage conditions and the
conditions are not printer operating conditions, leave the media for a while in the new
the same as the environment before printing.
printer operating * The time depends on the media type and the storage conditions.
conditions.
The media was not Check that the media was installed properly in the conditions below.
installed properly. - The 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.
- Check that the leading edge of the media output from the printer is
installed straight to the TUR unit paper tube.
The media wrinkled (1) If the media wrinkles while the printer is warmed by the heaters,
because of the install the media only after the printer is warmed up by the
heater temperatures heaters.
(2) Change the heater temperature. Decrease all three heaters in
increment of 5°C.*
(3) Use proven media.
(4) If the media is still wrinkled, feed the media until you reach a
portion without wrinkles.
(5) If the media wrinkles between each print job, change the media
advance mode.
1
* When the heaters temperatures are changed, adjust the media
advance adjustment value again.
The media is curled. (1) Do not use media curled in the vertical direction (vertical to the
media).
(2) Do not use media curled in the horizontal direction (from the right
edge to left edge) if it is so curled that the media edge guards and
the suction fan cannot flat the media.
(3) Use proven media.
The suction fan Set the suction fan parameter of the preset to a stronger setting.
parameter of the
preset is LOW.
Wrinkles caused by (1) Remove the media and install it again.
media advance (2) Use proven media.
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User Solution
1
OKI Data Infotech Corporation CONFIDENTIAL
Chapter 4 Troubleshooting (General)
Service Engineer
Inspection Replacement Part
- Check that the pinch roller PINCH ROLLER, MW
is not damaged.
- Check that the pinch roller
spring is not missing.
Reference
Assumed to Check/
Replace
Parts