Select the menus on the control panel as described below.
Settings > Network Settings
Prints a network status sheet.
The information for Wi-Fi, Wi-Fi Direct, and so on is printed on two or more pages.
Connect the printer to the network over a wireless LAN. Select your connection method and follow the on-screen instructions.
Makes Wi-Fi settings by entering the SSID and password.
Makes Wi-Fi settings by Push Button Setup (WPS).
Makes Wi-Fi settings by PIN Code (WPS).
Disconnects the connection with the Wi-Fi router.
Changes the Wi-Fi Direct SSID (network name).
Changes the password for the Wi-Fi Direct connection.
Select the frequency band for Wi-Fi Direct connection. Changing the frequency disconnects the connected device.
The availability of these channels and use of the product outdoors over these channels varies by location.
http://support.epson.net/wifi5ghz/
Disables the Wi-Fi Direct function.
Restores the Wi-Fi Direct settings.
Reads the QR code from your iPhone, iPad, or iPod touch to connect using Wi-Fi Direct.
Displays a QR code for connecting mobile device with Wi-Fi Direct.
Makes Wi-Fi Direct settings by entering the SSID and password.
Establish a wireless LAN connection using the wireless LAN information for your computer or mobile device.
Checks the current network connection and prints a report. If there are any problems with the connection, see the report to solve the problem.
Making Wi-Fi Settings from the Control Panel
Connecting a Mobile Device and Printer Directly (Wi-Fi Direct)