Speedy Inks Remanufactured Toner Cartridge Replacement for HP 649X CE260X High Yield (Black) Page Yield: 17, 000* | *Average printer cartridge page yield in accordance with ISO 19752 For use in Color LaserJet Enterprise CP4525dn, Color LaserJet Enterprise CP4525n, and Color LaserJet Enterprise CP4525xh Shelf Life: 24-36 Months The use of aftermarket replacement cartridges and supplies does not void your printer's warranty