DISCUSS: Wireless Printers Ask for a Passphrase

To connect a wireless printer to a Wi-Fi home network requires setting matching security settings on the printer just like on home computers. When a home network utilizes WEP or WPA, for example, you must configure the correct key or passphrase through the printer menus. If you don't do this, and forget the settings, you'll be in the position our message board member 'seaskittle' currently faces.
→ Discuss - Wireless Printer Prompts for Passphrase