To print on both sides automatically (HP LaserJet 3390/3392 all-in-one)
Insert enough paper into one of the trays to accommodate the print job. If you are loading
special paper such as letterhead, load it in one of the following ways:
For tray 1, load the letterhead paper with the front side up, bottom-edge first.
For all other trays, load the letterhead paper with front side down, and the top edge at the
back of the tray.
Do not load paper that is heavier than 105 g/m
(28 lb bond). This could lead
to a jam in the all-in-one.
Open the printer driver (see
Gaining access to the printer drivers
For Windows, on the Finishing tab, click Print on Both Sides.
Click OK. The product is now ready to print on both sides of the paper.