The 21,000-Page Use and Return Toner Cartridge from Dell™ is designed to work with Dell Monochrome Laser Printer. It produces high resolution printouts with impressively sharp images and text. This black cartridge features a yield of up to 21,000 pages. Use and Return assures environmentally sound recycling of used toner cartridges. Moreover, this cartridge supports Dell's Toner Management System™ for low toner detection and easy online ordering.