HP LaserJet 9000 Printer series - Manual (Page 88)

Chapter 5 Problem solving 88
Clearing jams
To clear jams in optional Tray 4
1 Open optional Tray 4.
2 Check for paper in the tray area, and remove any paper from this
area. Carefully check to be sure you have removed all pieces of
torn paper.
3 Close optional Tray 4.
4 Open and close the right door to reset the printer.
1
3
4