Envelopes
For the HP LaserJet 3050/3052/3055 all-in-one, HP recommends that you print envelopes from the
priority input slot. For the HP LaserJet 3390/3392 all-in-one, HP recommends that you print
envelopes from the single-sheet priority input slot (tray 1) and use the straight-through output path.
See
Loading media into the input trays
for more information.