Epson Stylus Pro 4880 User Manual page 221

7. Adjust the right side of the paper with the line marked with
an arrow mark, and also adjust the bottom edge of the paper
with the line marked with your paper size on the paper tray.
If your paper size is Letter, A4, or B4, set the paper edge to
LTR/A4/B4. If your paper size is not listed above, set the paper
edge to OTHERS.
8. Close the top cover.
Paper Handling
221