Epson FX-2190 Reference Manual page 46

9. Slide the edge guides on the paper guide to the center.
10. Reattach the front cover as shown below.
11. Turn on the printer.
12. Remove any slack in the paper by pressing the LF/FF button.
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13. If necessary, follow the steps in "Adjusting the top-of-form
position" on page 64 to adjust the current position of the
paper.
40 Paper Handling
Caution:
Always remove any slack from the paper; otherwise print
quality may deteriorate.