HP Deskjet 3511 e-All-in-One Printer - Manual (Page 23)

❑ Remove all paper from the main input tray.
d. Load envelopes.
❑
Insert one or more envelopes into far-right side of the input tray. The side to be printed on should
face up. The flap should be on the left side and facing down.
❑ Slide stack of envelopes down until it stops.
❑ Slide paper-width guide to the right against stack of envelopes until it stops.
Load media 21
Paper basics