Confirm the following:
The devices are turned on.
You can access the Internet and other computers or network devices on the same network from the devices you want to connect to the printer.
If your printer and network devices still do not connect after confirming the above, try the following.
Turn off the wireless router. Wait for about 10 seconds, and then turn it on.
Configure network settings from a computer on the same network as the printer by downloading and running the software from the following website.
https://support.epson.com (U.S. and Canada)
https://epson.sn > Setup (Other regions)
If the problem continues to occur, check the IP address of the printer listed in the Network Connection Report and contact your router manufacturer.