HP 1510 series - Page 29

4. Insert one or more envelopes into far-right side of the input tray and slide the stack of envelopes
down until it stops.
The side to be printed on should face up. The flap should be on the left side and facing down.
5. Slide the paper-width guide to the right against the stack of envelopes until it stops.
ENWW Load media 25