Originally Posted by
tech51
You have a problem with the grippers that pull the paper down for folding.
The paper is either slipping out of them, or the wiring to the gripper solenoid is broken (it runs in a guide to to the grippers and breaks where it flexes).
My my first step is to polish every guide plate and cover with furniture polish to prevent static and allow the paper to move smoothly.
Secondly check the wiring.
I have also had customers pull the grippers off completely, so make sure they are actually there!
Hope this helps
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