How do I set up Wi-Fi Direct mode on the Epson ET-2800 to connect without a router?

Press the home button, select Wi-Fi Setup, then select Wi-Fi Direct and press OK twice. You can connect using the Epson Smart Panel app, or for iOS devices scan the QR code with the camera app, or for other devices select the Wi-Fi network name shown on the LCD and enter the displayed password. Wi-Fi Direct mode supports up to 8 devices. (Pages 36-37)