LD Remanufactured Toner Cartridge Replacement for HP 29X C4129X High Yield (Black) 100% Satisfaction &amp; LIFETIME Guarantee Fast shipping and award-winning customer service For use in HP LaserJet 5000, 5000dn, 5000gn, 5000n, 5100, 5100dtn, 5100se &amp; 5100tn The use of remanufactured cartridges and printing supplies does not void your printers warranty Page Yield: 10,000* | Shelf Life: 24-36 Months | *Average printer cartridge page yield in accordance with ISO 19752