Raspberry Pi 2 Zero W Makes Label Printer Air-Print Compatible | Tom's Hardware
Hawking Technology Wireless Multifunction w/AirPrint Support USB Print Server with 3 Port USB Hub add-on (HMPS1A3) - Newegg.com
AirPrint for Windows PC - Resolve
StarTech 1 Port USB Wireless-N 150Mbps AirPrint Server - 802.11b/g/n WiFi iOS Printing - Wireless iPad Printing - Network Print Server - PM1115UA at TigerDirect.com