Random wrinkles appear in the image areas or non-image areas on the sheets.

PAPER

● Wavy edges.

● Cockling.

● Poor formation

● Replacement of paper.

PRESS

● Uneveness of blankets.

● Incorrect alignment of grippers and gripper pads.

● Adjust underlayer of blankets.

● Put grippers and gripper pads in a straight line, set properly their clearance and strength.