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 
icon is displayed on the LCD when the mode button is pressed.
If icon is not displayed:
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.
