Epson Stylus Pro 3880 User Manual page 150

4. Raise and pull out the output tray extension while pulling it out.
Note:
Make sure to raise the output tray until the triangle mark on the output tray matches with the
triangle mark on the right side of the printer.
5. Pull out the output tray extension according to the paper size. If you do not extend it properly,
the printout may fall.
Epson Stylus Pro 3880 User's Guide
Paper Handling 150