Using The Power Switch Cover; Self Test; Running The Self Test - Epson TM-T88 Operator's Manual

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. Continued usage may lead to fire or shock.
You can use the enclosed power switch cover to make sure that the
power switch is not accidentally pressed. If you want to use this
cover, install it as shown in the illustration below.

Self Test

The self test lets you know if your printer is operating properly. It
checks the control circuits, printer mechanisms, print quality, ROM
version, and DIP switch settings.
This test is independent of any other equipment or software.

Running the self test

1. Make sure the printer is turned off and the printer covers are
closed properly.
1-10 Setting Up the Printer