HP LaserJet 4050 Printer series - Manual (Page 58)

36 Chapter 2: Printing Tasks
EN
4 Load paper into the tray. For correct
orientation, see page 46.
5 Make sure the paper is flat in the tray
at all four corners and below the tabs
on the guides. Slide the tray back into
the printer.
The printer automatically senses the
size of paper loaded if the tray is
adjusted correctly. To print by type and
size of paper, see page 65.