HOTCOLOR 4PK 564 XL Black Ink Cartridges Remanufactured for HP 564XL Black Ink Cartridge (CN684WN) 1. Page Yield: 564XL Black up to 800 pages per black cartridge (5% coverage) 2. What's in the box : 4 Pack Remanufactured Ink Cartridges for HP 564XL Black( NOT Photo Black 3. Remanufactured HP 564 XL ink cartridges work with: HP Photosmart 5510 5511 5512 5514 5515 5520 5522 5524 5525 6510 6512 6515 620 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 4. Type: Work as HP 564XL Black Original Ink Cartridge (CN684WN) ; Remanufactured by HOTCOLOR (ISO 9001 certified facility) 5. Guarantee: 120 days quality warranty.If there is any problem,DO NOT hesitate to contact us.