Crooked or shingled folds in the pre-fold accumulation area on the DI900, DI950 FastPac Inserting Systems

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Products affected: DI900™ and DI950™

Issue

Crooked or shingled folds in the pre-fold accumulation area.
DI900-crunchDI900-crooked

 

Jams and crooked folds may start in a different area of the machine than where the issue is initially discovered. Check upstream areas of the machine for possible sources of the problem.

DI900-diagram_500x176

 

Cause

Belts are coming off the roller.

Resolution

Open up the cover to properly remove jams. Belts can come off their roller if you remove jams improperly by pulling paper out.

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UPDATED: 04 November 2020