BUBU Bird 564XL Ink Cartridges Compatible for HP 564 XL 564XL, High Yield, 4 Color, for HP Deskjet 3520, HP Officejet 4620, HP Photosmart Premium 6520 5520 7510 5510 C410A C309A B8550, 4 Packs Contents: Remanufactured Ink Cartridges for HP 564XL Ink Cartridges Combo Pack (1 Black, 1 Cyan, 1 Magenta, 1 Yellow) Page Yield: Up to 800 pages per black cartridge & 750 pages per color cartridge (5% coverage) Printer Compatibility: HP Officejet 4610 4620 4622, Photosmart 7520 6520 5510 5520 5511 5512 5514 5515 5522 5524 5525 6510 6512 6515 6525 7510 7515 7525 B8500 B8550 B8553 B8558 C3640 C5300 C5324 C5370 C5373 C5380 C5383 C5388 C5390 C5393 C6300 C6324 C6340 C6350 C6375 C6380 C6383 C6388 D5400 D5445 D5460 D5463 D5468 D7500 D7560 C309 C310a C310 C410 C510 B209 B210, Deskjet 3070a 3520 3521 3522 3525 3526 Printer Warranty: a 1-year warranty / Shelf Life: 18-24 months. Any questions, please feel free to contact us for technical support, replacement or refund. SUPPORTRemanufactured Ink Cartridge Replacement for HP 564 have been awarded ISO9001 certification, and we have independent laboratories periodically verify product quality to ensure a smooth user experience.