To get your Epson printer back online, first ensure it�s powered on and properly connected via Wi-Fi or USB. Check for error messages on the display panel. On your computer, go to printer settings and disable �Use Printer Offline.� Restart the printer, computer, and router. If needed, reinstall or update the printer driver from Epson�s website. Use Epson�s diagnostic tools for troubleshooting. Ensuring a stable connection and correct settings typically resolves most offline printer issues quickly.

https://sites.google.com/view/epson-printer-offline-1-/home