Epson Gemini User Manual page 81

8. Slide the edge guides against the paper stack.
9. Close the paper guide roller.
10. Replace the paper tray cover. (If you pulled out the paper tray extension,
6-8 Maintaining the System
Be sure the roller is positioned so it rests on your paper or you may
experience a paper jam.
slide out the cover extension before you replace the cover.)
paper tray
cover extension