HP Color LaserJet 3800 Printer series - Manual (Page 77)

5. Load the media into the tray. If this is special paper such as letterhead, load it face-up with the top
edge toward the front of the tray.
NOTE If you are duplex printing, see Using 2-sided (duplex) printing for loading
instructions.
6. Make sure that the stack of media is flat and that the media is below the height tabs.
7. Slide the tray back into the printer.
ENWW Configuring trays 63