HOTCOLOR 10Pack 564XL Ink Cartridges (2 Black,2 Cyan,2 Magenta,2 Yellow,2 Photo Black) for HP Photosmart B209a B8550 C309 C310a C410a C510a C6340 C6350 C6380 Printer 1.Page Yield: Black is 600 pages per cartridge at 5% coverage. Tri-color is 440 pages per color at 5% coverage. 2.This package contains: 2 Black+2 Photo Black+2 Cyan+2 Magenta+2 Yellow 4.Cleaned, fully inspected and refilled with new ink 5.Black(CN684WN)/Photo Black(CB322WN)/Cyan(CB323WN)/ Magneta(CB324WN)/ Yellow(CB325WN)