The new OEM HP LaserJet CE278AD / 78A One Single Black Toner Cartridge is a high-quality replacement product designed specifically for HP printers. This toner cartridge is compatible with models such as LJ P1566, P1606, and M1536, providing crisp and professional-looking black prints. With a print technology of laser, this unit offers reliable performance and long-lasting results. Easy to install and use, this black toner cartridge is a convenient and efficient choice for all your printing needs.