The 6000-Page Use and Return Black Toner Cartridge from Dell™ is designed to work with the Dell™ Laser Printer 1700 and 1700n. It produces high resolution printouts with impressively sharp images and text. This black cartridge features a yield of up to 6000 pages and supports Dell's Toner Management System™ for low toner detection and easy online ordering. Use and Return assures environmentally sound recycling of used toner cartridges.The part number located on this toner cartridge is: K3756