HP Color LaserJet CP3505 Printer series - Manual (Page 79)

2. Slide out the tray extender and, if necessary, open the additional tray extender.
3. Set the paper-width guides.
4. Load as many as 10 envelopes in the center of tray 1 with the side to be printed on facing down,
with the stamp area farthest from the printer, and the short edge toward the printer. Slide the
envelopes into the printer as far as they will go without forcing them.
ENWW Load media 67