LD Compatible Toner Cartridge Replacement for HP 11X Q6511X High Yield (Black) Page Yield: 20,000* | Shelf Life: 24-36 months | *Average cartridge page yield in accordance with ISO IEC 24711 We offer lightning fast shipping on all printing supply and inkjet photo paper orders The use of LD replacement ink and toner cartridges does not void your printers warranty This compatible toner cartridge is not re-manufactured; it is a brand new toner specially engineered to meet the highest standards of quality and reliability. For use in the following HP LaserJet printers: 2420, 2420d, 2420dn, 2420n, 2430, 2430dtn, 2430n and 2430tn