The Genuine HP LaserJet Q5945YC Black Toner Cartridge is specifically designed for HP LaserJet 4345 mfp and M4345 mfp printers. As an original HP product, it ensures high-quality printing with crisp black text. With an expiration date of 04/01/2023, this genuine toner cartridge will provide reliable and consistent printing performance for extended periods. Designed for laser print technology, this unit is a genuine product from HP, making it a trusted choice for professional printing needs.