GUCOCO 4 Pack Compatible Ink Cartridge for HP 564XL 564 XL Use for HP Photosmart 5520 6510 6515 5510 6520 7520 7525 D7560 B8550 C6380 C6324 DeskJet 3520 3522 3070A Officejet 4620 Premium C309A C410 Package Contents: 4 Pack (1 Black, 1 Cyan, 1 Magenta, 1 Yellow) compatible ink replacement for 564XL multipack (Non-original). Page Yield:25ml1350PagesperBlackand15ml 750PagesperColourInkCartridgeat5% coverage. Compatible with: HP Photosmart 5510 5511 5512 5514 5515 5520 5522 5524 5525 6510 6512 6515 6520 6525 7510 7515 7520 7525 B8500 B8550 B8553 B8558 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 C310 C410 C510 B209 B210 Series Officejet 4620 4622 Deskjet 3070a 3520 3521 3522 3526 Printer. GUCOCO compatible replacement for 564 XL 564XL ink cartridges have been awarded ISO9001 certification, and we have independent laboratories periodically verify product quality to ensure a smooth user experience. The services we provide includes 1-year limited warranty and 18-24 months product Shelflife guaranteed. Please contact me if you have any problem, we will solve it for you. (Contact Us: Your Amazon Buyer Account &gt; Click Your Account &gt; Your Orders &gt; Find your order and click Contact Seller)