Several Epson printer users encounter the issue of Epson printer not found on network issues. To deal with it, you need to reset the product network settings to bring back to the factory defaults. For Windows, you can uninstall the product software. After that, initialize the router by following the instruction in router documentation. Lastly, download the product software from the Epson website by using the instructions on the start here sheet. If you have replaced the router, then you need to reinstall the product software to connect to the new router. https://prompthelp.us/blog/connect-your-epson-printer-to-computer/