HP Designjet 4020 and 4520 Printer Series - User's Guide: English

19. Carefully pull the rest of the paper down and out of the printer. Look to see if there any loose pieces
of paper left in the paper path.
20. Push the front path back into place.
21. Lift the lock lever on the left.
ENWW A paper jam (paper stuck in the printer) [4520] 139
Paper problems