HP Color LaserJet Enterprise M751n Laser Printer - Manual (Page 153)

● 13.A3.XX Jam in tray 3
● 13.A4.XX Jam in tray 4
1. Open the tray and remove any jammed or
damaged sheets of paper. Verify that the tray is
not overfilled and that the paper guides are
adjusted correctly.
2. Release two tabs at the back of the tray, and then
pull the tray completely out of the printer.
3. Remove any paper from the feed rollers inside the
printer. First pull the paper to the left to release it,
and then pull it forward to remove it.
ENWW Clear paper jams 143