Enjoy the legendary quality and reliability of HP LaserJet printing with the HP 49X LaserJet Toner Cartridge. You can count on great results every time because HP cartridges and HP printers are designed together. HP’s specially formulated toner and all-in-one cartridge components are precisely matched to provide consistently outstanding results. And with HP’s Smart Printing technology[1] sharp, professional printing is easy, reliable and cost-effective.