You may need
to disable your product's Wi-Fi features if you change your network
connection type or need to solve a problem with your network
connection.
Note: Before
disabling Wi-Fi features, make a note of your product's SSID
(network name) and password, and any network settings selected for
Epson DocumentScan.
Press and hold the 
Wi-Fi button on the scanner for at
least three seconds to disable the Wi-Fi features. When the
Wi-Fi light and the 
AP mode light turn off, Wi-Fi is
disabled.