Using The Power Switch Cover - Epson TM-U325D Operator's Manual

5. Replace the DIP switch cover and secure it with the screw.

Using the Power Switch Cover

WARNING:
If an accident occurs when the power switch cover is
attached, unplug the power supply cord from the outlet
immediately; otherwise the printer may be damaged.
You can use the provided power switch cover to protect the power
switch from accidental or improper operation. Attach the cover as
shown in the illustration below.
You can turn the power on or off with the switch cover attached by
inserting a pointed object (like a ball point pen) through either of
the two small holes on the switch cover.
1–20 Setting Up the Printer