Office World Compatible Ink Cartridge Replacement for HP 564XL 564 XL for HP DeskJet 3520 3522 Officejet 4620 Photosmart 5520 6510 6515 6520 7520 7525 (2 Large Black,1 Cyan,1 Magenta,1 Yellow, 5-Pack) Less expensive, same Great quality. Excellent print value. What's in the Box: HP 564 XL 564XL Ink Cartridge(2 large Black, 1 Cyan, 1 Magenta, 1 Yellow, Not include PhotoBlack) 5 Pack Compatibility: HP Photosmart 5520 6520 7520 5510 6510 7510 5514 5515 7515 6515 7525 5525 C6380 C6350 D5460 D7560 B8550 Photosmart Premium C309A C410 C310A Officejet 4620 Deskjet 3520 3521 3522. Approximate page yield: ~800 pages per black, ~750 pages per color at 5% coverage. 1-Year Product Warranty. Any issues or concerns, just find out your order, click contact seller and send us an e-mail. Our sales support team will get back to you within 24 hours.