HP Designjet 4500 Printer series - Manual (Page 268)

13. Remove any paper that you see there.
14. Remove any paper trapped between the roll and the small plastic rollers.
15. Go behind the printer and find the three vertical slits at the rear of the roll module.
16. If you can see paper through the slits, try to remove it by pushing it upwards or downwards.
254 Chapter 17 The problem is... (paper topics) ENWW
The problem is... (paper
topics)