How do I use WPS to quickly connect the ET-3850U to my wireless network?
Press the home button, select the network icon, then select Wi-Fi (Recommended) > Start Setup > Push Button Setup (WPS). Follow the instructions on the LCD screen to complete WPS setup, and make sure you select Start Setup within two minutes of activating WPS on your router. (Page 42-43)
From the official Epson EcoTank ET-3850U All-in-One Wireless Printer manual, page 42
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