Epson LX-300+II Reference Manual page 89

The Paper Out and Pause lights are on and the printer beeps
three times.
Cause
No paper is loaded.
The printer sounds like it is printing, but nothing is printed.
Cause
The ribbon cartridge may
not be installed properly
or the ribbon may be worn
out.
The printer makes a strange noise, beeps five times, and stops
printing abruptly.
Cause
The paper or ribbon may
be jammed.
The printer may have
overheated.
The printer beeps five times and all the lights flash.
Cause
An error has occurred.
What to do
Load paper in the printer.
What to do
See "Replacing the Ribbon Cartridge" on
page 105.
What to do
Turn off the printer and check for a paper
jam or a ribbon jam.
Let the printer cool. Then try to print
again. If it still does not print correctly,
see "Where To Get Help" on page 104.
What to do
Turn off the printer and turn it on again.
If the problem persists, check for a paper
jam or ribbon jam. (If an error occurs
when you switch between single sheets
and continuous paper, make sure the
paper release lever is set correctly.)
Maintenance and Troubleshooting
89