Hi Steve Crawford,
Welcome to Microsoft Q&A!
I understand how frustrating it is when your printer cannot be detected at all after reinstalling, especially when it previously worked on this same Windows 11 PC. Besides the basic printer and spooler checks suggested by the Q&A Assist, here’s something else you can try in case they don't work:
1 - Power‑cycle the network
- Turn off PC, printer and your router > wait at least 60 seconds
- Power them on > try adding the printer again
- Make sure printer is set to pairing mode (recheck the manual)
2 - Fully remove Epson printer drivers
- Press Win + R > type
printui /s /t2> press Enter - In Print Server Properties, go to the Drivers tab
- Select
Epson ET‑4850(or simplyEpsondrivers) if any. - Click Remove > Choose Remove driver and driver package
- Close the window and restart the PC > connect the printer again.
3 - Manually add the printer using TCP/IP
- Go to Settings > Bluetooth & devices > Printers & scanners
- Select Add device > let it finish searching > click Add manually
- Choose Add a printer using a TCP/IP address or hostname
- Device type: TCP/IP Device
- Hostname or IP address (shown on the printer’s network/status screen)
- When prompted for a driver:
- Select Windows Update and wait for the list to refresh
- Choose Epson ET‑4850 (or closest ET‑48xx model)
4 - Manually install Epson’s driver package
- Go to Epson Support official website > search for
ET‑4850 - Download the Windows 11 full driver / utilities package
- Double-click to install and restart the PC after.
When a printer previously worked and suddenly cannot be re‑added, the cause is often cached drivers or broken printer ports, not Wi‑Fi itself. If the issue persists, let me know if the printer has an IP address, and whether Windows shows any Epson driver at all. Thanks for your time!
If the answer is helpful, please click "Accept Answer" and kindly upvote it. If you have extra questions about this answer, please click "Comment".
Note: Please follow the steps in our documentation to enable e-mail notifications if you want to receive the related email notification for this thread.