HP 56 Inkjet Print Cartridge (Black)…Compatible with: HP Deskjet 5160, 5550, 5551, 5650, 5652, 5850, 9600, 9650, 9680 Printers HP Deskjet 450ci/cbi/wbt mobile printer HP Photosmart 7150, 7260, 7350, 7450, 7550, 7660, 7760, 7960 Printers HP PSC 1110, 1210, 1315, 1350, 2110, 2150, 2210, 2310, 2410, 2450, 2510, 2550 All-in-Ones HP Officejet 4110, 4255, 4256, 5510, 56082, 5610, 6110 All-in-Ones