Expand your printing capacity significantly with this hp 331x black toner laserjet cartridge two pack you get two units in this pack so that you always have one spare and each one produces up to 2 400 pages at 5 coverage of bold bright text thanks to powerful compatibility with a variety of hp laserjet pro machines it easily reduces downtime and maintenance requirements while improving overall print quality compared to third party cartridges in addition this hp 331x black toner laserj