Epson TM-U230 Developer's Manual page 27

Confidential
Names of parts
Ethernet interface terms are given below.
10 BASE-T Ethernet LED (green) LED (red)
interface
Do not press the
connector
LEDs.
Ethernet test switch
The Ethernet test switch has the following functions.
Setting Initialization
Holding down this switch for 5 seconds or more when the printer is powered up returns all
settings to their factory default values.
Status Sheet Test Printing
Holding down this switch for 3 seconds or more while the printer is online causes the printer
status sheet to be printed out.
Switch
Holding down this switch
when the printer is powered
up returns all settings to
their default values.
Names of parts
TM-U230 Developer's Guide
Installation 1-19