Laser Tek Services HP Compatible CF380X / 312X Black HY toner cartridge 2 Pack for HP LJ Pro: MFPM476nw, M476dn, M476dw Package Contains 2 Black High Yield Cartridges For use in the following printer models: HP Color LaserJet Pro: MFPM476nw, M476dn, M476dw Page Yield: 4400 pages at 5% coverage Product Comes with a 1 year 100% Satisfaction Guarantee! Laser Tek Services offers free technical support for any questions you may have. Manufactured by ISO and STMC certified facility. 100% Guarantee on all of our products!| The Use of Laser Tek Services compatible products will not void your printers warranty.