Sotek 4 Pack High Capacity Replacement 564xl Ink Cartridge Compatible Photosmart 5520 6520 6510 7510 7520 7515 C6380 C310a (1 Black 1 Cyan 1 Magenta 1 Yellow) Ink Level Indication Color: Black, Cyan, Magenta, Yellow Page Yield: 800 pages per black cartridge & 750 pages per color cartridge ISO9001 Certified,1-Year Warranty and 100% satisfaction guarantee Work for : Photosmart 7515 e-All-In-One Photosmart B8550 Photosmart C5300 Photosmart C5373 Photosmart C5388 Photosmart C6300 Photosmart C6350 Photosmart C6383 Photosmart D5445 Photosmart D5468 Photosmart Premium C309 Series Photosmart eStation C510 Series Photosmart 7520 e-All-In-One Photosmart B8553 Printer