Speedy Inks Remanufactured Toner Cartridge Replacement forHP 649X (1 Black, 1 Cyan, 1 Magenta, 1 Yellow, 4-Pack) Page Yield: Black 17, 000* | Color 11, 000* | *Average printer cartridge page yield in accordance with ISO 19754 For use in Color LaserJet Enterprise CP4025dn, Color LaserJet Enterprise CP4025n, Color LaserJet Enterprise CP4525dn, Color LaserJet Enterprise CP4525n, and Color LaserJet Enterprise CP4525xh 0 Shelf Life: 24-36 Months The use of aftermarket replacement cartridges and supplies does not void your printer's warranty