Epson TM-C3400 Reference Manual page 196

5
Check [EPSON Network Utility] in the [Utilities] tab.
[EPSON Network Utility] may be used on other EPSON printers. In that case, uncheck it.
6
Click [OK].
7
The uninstallation confirmation screen is displayed. Click [Yes].
8
The confirmation screen to delete the personal setting information is dis-
played.
Click [Yes] to delete it, or click [No] to leave it.
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