Cannot Find Printer on Check Printer Settings Screen During Wireless LAN Setup (Windows)-Checking Printer's IP Address
Is printer's IP address specified correctly?
If printer's IP address is not specified correctly, the printer may not be found. Make sure whether printer's IP address is not used for another device.
To check the printer's IP address, print out the network settings information.
If the IP address is not specified correctly:
See If an error screen appears: and specify the IP address.