The HP 49A Q5949A Black LaserJet Toner Cartridge is a genuine original product by HP designed for use in various HP LaserJet printers such as 1160, 1320, 1320N, 3390, and 3392. It features a black print technology and is compatible with specific HP LaserJet models. The toner cartridge comes in a single unit box and is essential for high-quality printing results. With the HP brand guaranteeing authenticity and reliability, this product offers long-lasting performance for your printing needs.