Epson LQ-1070+ User Manual page 30

By holding down a certain button while you turn on the
printer, you can perfom the self test in draft or LQ mode, or
you can print out a list of the current DIP-switch settings.
These buttons are listed below
LOAD/EJECT
LF/FF
ALT
The self test begins by printing on the first and last lines of
page 1. The printer then print the character samples on page 2
If you select LQ mode, the printer print the self test in every
font, in turn.
1. h4ake sure the printer is turned off and that the paper-release
lever is in the sin&sheet position.
2. While holding down the appropriate button, turn on the
printer. The printer beeps and the platen turns for a few
seconds, signaling that the printer is in self-test mode.
1-10 Setting Up the Printer
Draft mode self test
LQ mode self test
DIP-switch setting list