Cannot Find Printer on Check Printer Settings Screen During Wired LAN Setup (Windows)-Checking Printer's Wired LAN Settings
Is printer set to allow wired communication?
Make sure the Wired LAN lamp on the printer is lit.
If lamp is not lit:
The printer is not set to allow wired communication. Turn on wired communication on the printer.
Once you have turned on wired communication, redo the network communication setup from the beginning.