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3.1.12 Scratched Images and Stained Paper Edges
Scratched images or soiled paper edges appear.
CNT008
Cause:
When a relatively stiff, thick paper is delivered, the entrance guide plate for the
transfer unit is warped toward the intermediate transfer belt due to the stiffness of
the paper. The edge of the entrance guide plate comes into contact with the toner
on the belt to cause images to be scratched and paper edges to be soiled.
This may occur if:
• Paper with a thickness equivalent to Paper Weight 7 is used
• Paper with its grain parallel to the paper feed direction is used. For example,
A3/DLT long grain paper is delivered, A4/LT short grain paper is delivered from
its long edge, or A4/LT long grain paper is delivered from its short edge.
• Paper is stored at low temperature or humidity
Solution:
Change the direction of paper grain for paper delivery.
Note:
• When storing paper at low humidity, wrap the paper in coated paper or a plastic
sheet.
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