Hp C6656Aa And C6657Aa No.56 And 57 Ink Cartridge Combo PackDescriptionSpecificationsShipping Black 450 pages,Colour 400 pages (estimated page yield provided based on 5% coverage or at ISO 2471 pattern normal) Colour HI5657T 883585053438 Compatible with the following: 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 1350, HP PSC 2110, HP PSC 2210, HP PSC 2310, HP PSC 2410, HP PSC 2510, HP