Power Supply Problems - Epson DLQ-3500 Reference Manual

You can also use the self test to determine whether the printer or
the computer is causing the problem. See "Printing a Self Test" on
page 4-29 for instructions on printing a self test. To pinpoint
communication problems, experienced users may want to use the
printer's hex dump mode described in "Printing Hex Dump" on
page 4-30.
To clear a paper jam, see "Clearing a Paper Jam" on page 4-26.

Power supply problems

The control panel lights come on briefly but then go off and
stay off.
Cause
The printer's voltage rating
does not match the voltage of
your electrical outlet.
The printer does not work and the control panel lights are off.
Cause
The printer is turned off.
4-4
Troubleshooting
What to do
Check the printer and the outlet
voltage ratings. If the voltages do not
match, unplug the printer
immediately and contact your dealer.
Warning:
w
Do not reconnect the power
cord to an electrical outlet
with the wrong voltage for
your printer.
What to do
Turn on the printer. The Power light
comes on.