Speedy Inks Remanufactured Ink Cartridge Replacement for HP 564XL CN684WN High-Yield (Black, 3-Pack) Page Yield: 550* | *Average cartridge page yield in accordance with ISO IEC 24711 Color: Black CN684WN | 3 Pack 100% Quality Satisfaction Guarantee Shelf Life: 12-18 Months The use of aftermarket replacement cartridges and supplies does not void your printer's warranty