Laser cartridge HP W1335A COMPATIBLE with: HP LaserJet M438/ M443/ M442dn/ M440dn/ M440n/ M440nda Colour: Black Page yield: 7.400 copies For verision: V3.82.01.15 (2022-11-30) https://www.youtube.com/watch?v=lQWaqW2TybE ATTENTION: Compatible cartridges will not work on devices designed for the HP+ service (devices with the "e" version): The HP+ program is a program that allows the user to purchase a printer at a lower price that will not allow the use of all compatible cartridges on the market.