HOTCOLOR 6 Pack 61XL High Yield Ink Cartridge (3 Black,3 Tri-Color) for OfficeJet 2620 4630 4632 4635 Envy 4500 4501 4502 4504 4505 5530 5531 Printer 1. What's in the box: 6 Pack -- [ 61XL Black Ink Cartridge CH563WN 3 Pack , 61XL Tri-Color High Yield Ink Cartridge CH564WN 3 Pack ] 2. 61XL ink Cartridges work with: HP ENVY 4500, 4501, 4502, 4504, 4505, 5530, 5531, 5532, 5534, 5535, 5539 Printer ; HP Officejet 2620, 2621, 4630, 4632, 4635 Printer ; HP Deskjet 1000, 1010, 1012, 1050, 1051, 1055, 1056, 1510, 1512, 1514, 1051, 2050, 2510, 2512, 2514, 2540, 2541, 2542, 2543 2544, 2546, 2547, 3000, 3050, 3051, 3052, 3054, 3056, 3510, 3511, 3512 Printer 3. Page Yield: 61XL Black Ink Cartridge Up to 480 pages, 61XL Tri-color Ink Cartridge Up to 330 pages(at 5% coverage) 4. Type: Work as HP 61XL Black Tri-color CH563WN CH564WN Original Ink Cartridge ; Remanufactured by HOTCOLOR (ISO 9001 certified facility);Not made by HP. 5. Guarantee: 365 days quality warranty.If there is any problem,DO NOT hesitate to contact us.