The Q-Connect HP 89A Compatible Laserjet Toner Cartridge in Black is a genuine original product by HP, specifically designed for HP printers. With a manufacturer warranty of 3 years, this unit offers reliable and high-quality printing performance. The black toner cartridge is compatible with the HP 89A model and is perfect for producing professional and crisp black prints. This unit is a convenient and efficient option for those looking to keep their workspace stocked with quality printing supplies.