Epson PLQ-20 Reference Manual page 23

Position your printer's power cord and interface cable so they
do not interfere with paper feeding. If possible, secure the
cables to a leg of the printer stand.
When maintaining the printer
❏ Unplug the printer before cleaning it, and always clean it with
a piece of damp cloth only.
❏ Do not spill liquid onto the printer.
❏ Except as specifically explained in this guide, do not attempt
to service the printer yourself.
❏ Unplug the printer and refer servicing to qualified service
personnel under the following conditions:
i. If the power cord or plug is damaged.
ii. If liquid has entered the printer.
iii. If the printer has been dropped or the cabinet damaged.
iv. If the printer does not operate normally or exhibits a
distinct change in performance.
❏ Adjust only those controls that are covered by the operating
instructions.
❏ If you plan to use the printer in Germany, observe the
following:
To provide adequate short-circuit protection and
over-current protection for this printer, the building
installation must be protected by a 10- or 16-amp circuit
breaker.
Chapter 2 Safety Instructions 23