Confirm your router uses Wi-Fi 4 (802.11 b/g/n). The printer's standard connectivity is Wi-Fi 4 and Wi-Fi Direct.
Use the Epson Smart Panel App for setup. Most features require an internet connection to the printer. Wi-Fi Direct may require printer software installation.
Check the operating environment: 50° to 95°F (10° to 35°C) and 20% to 80% relative humidity (no condensation).