Epson 24-PIN DOT MATRIX PRINTER LQ-570+ - Manual (Page 31)

3.
Move the left edge guide until it locks in place next to the
guide mark. Then adjust the right edge guide to match the
width of your paper.
Caution:
the self test using at least mm (8.2 wide
print prints directly on
4.
Insert a sheet of paper between the edge guides until it meek
resistance. After a few seconds, the printer loads the paper
to the loading position andbegins printing the self test.
Setting Up the Printer 1-11