Epson PLQ-20 Reference Manual page 142

5. Bring the leading edge of the paper up over the front of the
printer and insert it into the front slot until it meets resistance.
The printer loads the roll paper automatically.
You are now ready to print. When you finish printing,
advance the paper by holding the F2 button for a few seconds
(in PR2 mode), or pressing the F1/Eject button (in ESC/P or
IBM PPDS mode). Then cut the roll paper where it comes out
from the printer.
Chapter 7 Options and Consumables 142