Best Buy: HP Photosmart 5520 Wireless All-In-One Printer CX042A
main circuit board off a HP Photosmart 5520 e-all-in-one Printer DE2 | eBay
HP Photosmart 5520 All-In-One Printer - Color Inkjet, Up to 4800 x 1200 dpi, 23 ppm (Mono), 22 ppm (Color), Duplex Printing, 64MB Memory, USB 2.0, 802.11b/g, Scan, Copy, (CX042A#B1H) at TigerDirect.com
HP Photosmart 5520 Maintenance - iFixit Repair Guide
HP Photosmart 5520 Review | Trusted Reviews
Amazon.com : HP Photosmart Plus e-All-in-One Printer (CN216A#B1H) : Inkjet Multifunction Office Machines : Office Products