HP 16V - Manual (Page 119)

Clearing Paper Jams
4c. Open the rear stacker at
the back of the printer.
Draw out the paper guide.
First push up the top edge
of the paper guide and then
pull out the paper guide.
Caution:
Do not use the lever to pull out the paper guide. The lever or the
paper guide may be damaged.
5-4 User’s Manual