Box is open. Bag is still sealed.The HP 78A CE278A Black Genuine LaserJet Toner Cartridge is an original product by HP designed for use with specific HP LaserJet printers. It is a black toner cartridge suitable for high-quality printing with a laser print technology. This genuine cartridge is compatible with models like HP LaserJet Pro P1566, LJ P1566 P1606 M1536, and HP LaserJet Pro P1606. Produced in the United States, this unit is made to ensure reliable and excellent printing results for your documents and images.