HP Indigo Troubleshooting – Paper Jams

Q. Is it normal for FlexBind® sheets to jam in my Indigo press?

A. No, FlexBind® products have been developed with the printer in mind and all products have received a 3 star rating from RIT for runnability.  Below are some recommendations for troubleshooting paper jams with FlexBind®.


There are several causes for paper jamming in a press.  Many have nothing to do with the FlexBind® hinge.  Below is a list of possible causes for paper jams in the HP Indigo.  (Note: Click here for tips on running a landscape FlexBind® sheet)


Jam Description Troubleshooting
Paper will not feed
  1. Fan the stack thoroughly before placing in the feed drawer.
  2. Make sure the gripping rollers are functioning and free from debris.
  3. Check that the drawer guides have not shifted and are firmly against the paper stack.
The paper feeds but stops before entering the press or kicks into the miss-feed tray
  1. Make sure that the stack is properly fanned and that the press is not grabbing multiple sheets.
  2. Verify that the press environmental conditions are within the HP guidelines.
  3. Verify that the GSM and caliper of the substrate are correct.
  4. Verify the sheet dimensions exactly.
The paper feeds and duplex prints properly, but stops at the exit of the press as it is entering the stacker.
  1. Check that the sheet length is measured and entered exactly.
  2. Run the press in Heavy Substrate mode
  3. Since portrait FlexBind® products are grain long, some of the timing sensors will give false errors.  Try changing the value for sheet length by –0.5 mm increments.
The paper is dropped in the perfector and jams the press
  1. Verify the sheet dimensions (length and width).  This is by far the most common cause of perfecting jams
  2. Check the suction tips of the perfector arms
  3. Adjust the “push” (sometimes called buckle) into the gripper in the perfector.  The setting is under Diagnostics/ Substrate/ Perfector and Conveyor tab.  Increasing the value will increase the depth the sheet is pushed into the gripper before printing the second side.