Epson 24-PIN DOT MATRIX PRINTER LQ-570+ - Manual (Page 110)

I
When using an optional interface, the printer does not print or the
printout is not what you expect.
You may be trying to use an interface card or cable with the
wrong Check the
to
you can use card or cable with printer.
The computer and printer may not match.
Make sure the settings on and printer match.
switch the interface
connector
k
turned
When you send data, the platen does not and the paper does
not feed.
When you insert single-sheet paper, the platen does rotate and
paper does not feed.
position.
Troubleshooting 6-7