Epson Stylus Color 1520 User Manual page 52

3. Open the printer cover and set the thickness lever to the 0
position when you print on plain paper, ink jet paper,
transparencies, or transfer paper.
Set it to the + position when you print on envelopes, ink jet
cards, or heavy paper.
4. Lock the output tray in an upright position on the two
upper posts.
5. If you'll be printing on paper that is 14.3 inches (364 mm)
wide or less, slide the right edge guide all the way left until
it stops.
3-7
Printing on Special Media
0 position
+ position