How do I enable Wi-Fi Direct mode on the ET-3850?
Press the home button, select the network icon and press OK, then select Wi-Fi Direct. Scroll down and select Start Setup. The product information will display on the LCD screen. Open the Epson Smart Panel app on your device or manually select the Wi-Fi network name (SSID) and enter the password shown on the screen. Select Complete on the LCD screen when finished.
From the official Epson EcoTank ET-3850 All-in-One Printer manual, page 40
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