LD Remanufactured Toner Cartridge Replacement for HP 644A Q6460A (Black) 100% Satisfaction & LIFETIME Guarantee Includes a brand new electronic smart chip The use of remanufactured cartridges and printing supplies does not void your printers warranty Page Yield: 12,000* |Shelf Life: 24-36 Months | *Average printer cartridge page yield in accordance with ISO 19752 For use in LaserJet & Color LaserJet 4730, 4730x mfp, 4730xm mfp, 4730xs mfp, CM4730, CM4730f, CM4730fm, CM4730fsk