Hp C6656Aa No.56 Ink Cartridge BlackDescriptionSpecificationsShipping 450 pages (estimated page yield provided based on 5% coverage or at ISO 2471 pattern normal) HI56 808736234405 Compatible with the following: HP PHOTOSMART 2410, HP PHOTOSMART 2510, HP PHOTOSMART 7150, HP PHOTOSMART 7260, HP PHOTOSMART 7450, HP PHOTOSMART 7550, HP PHOTOSMART 7660, HP PHOTOSMART 7760, HP PHOTOSMART 7960, HP PSC 1210, HP PSC 1315, HP PSC 1318, HP PSC 1350, HP PSC 2110, HP PSC 2210, HP PSC 2310, HP PSC