Epson FX-2190 Reference Manual page 190

7. Adjust the right paper guide so that it matches your paper's
width and lock it in place. Make sure the position of the guide
allows the paper to move up and down freely.
If you are loading envelopes, push back the envelope levers
as shown below.
8. Push back the paper set levers to clamp the paper or envelopes
against the guide rollers.
The cut-sheet feeder automatically loads paper when the printer
receives data.
If the first line on your page appears too high or low, you can
adjust its position using the Micro Adjust function. See
"Adjusting the top-of-form position" on page 64 for more
information.
184 Options and Consumables