The Genuine HP 78A CE278A Black LaserJet Toner Cartridge is a new OEM product designed for use in HP printers. This genuine/original toner cartridge is specifically compatible with HP LaserJet Pro M1536dnf MFP, HP LaserJet P1566, and HP LaserJet Pro P1606dn printers. With a sleek black color and laser print technology, this unit offers high-quality printing results. The package includes one toner cartridge, making it a reliable and efficient choice for all your printing needs.