I 9The HP 90A Genuine Black Laserjet Toner Print Cartridge C4096A is a high-quality black toner cartridge specifically designed for use with HP LaserJet Enterprise 600 printers. This genuine HP product ensures crisp and professional-quality black prints with its laser print technology. The unit comes sealed for freshness and is compatible with the specified HP printer model, ensuring reliable and consistent results every time. With a unit quantity of 1, this toner cartridge is a cost-effective and efficient printing solution for business and professional settings.