LD Compatible Toner Cartridge Replacement for HP 90X CE390X High Yield (Black) 100% Satisfaction & LIFETIME Guarantee Fast shipping and award-winning customer service The use of compatible replacement toner cartridges and supplies does not void your printers warranty Page Yield: 24,000* | Shelf Life: 24-36 Months | *Average cartridge page yield in accordance with ISO IEC 24711 For use in HP Enterprise, LaserJet & LaserJet Enterprise 600 M602dn, M602n, M602x, M603dn, M603n, M603xh, M4555f, M4555fskm, M4555h