Epson 24-PIN DOT MATRIX PRINTER LQ-570+ - Manual (Page 40)

3. Slide the edge guide until you feel it click into place at the
guide mark. You can slide the edge guide to the left in
1 to the size of the left margin
on your paper.
4.
.
While the left edge with the edge guide,
insert the paper until it meets resistance; after a
seconds, the printer loads the paper to the position.
2 - 6 P a p e r H a n d l i n g