Dell K4971 high capacity black laser toner for use in Dell 3000cn/3100cn printers. Approximate page yield 4000. OEM: 593-10067 Manufactured to Dell's exacting standards to ensure optimum performance with their machines, the 3000CN Black Toner Cartridge is quick and easy to install and provides high quality results. Producing clear images and sharp, precise text, this cartridge has a print yield of approximately 30,000 pages making it an economical choice for everyday small office use. The cartridge also supports Dell's Toner Management System for low toner detection.