HP Color LaserJet CP3505 Printer series - Manual (Page 77)

3. Slide out the tray extender and, if necessary, open the additional tray extender.
4. Slide the width guides slightly wider than the print media.
5. Place print media into the tray with the side to be printed down, and the top, short edge in first.
NOTE: If you are printing on two sides, see Print on both sides of the paper (duplex printing)
on page 95 for loading instructions.
ENWW Load media 65