The Set Of Toner Cartridge for the Dell 3100 is designed to work with the Dell Laser Printer 3100cn aswell. These cartridges, when used in conjunction with the Black, Yellow and Magenta cartridges, can produce high resolution color printouts with sharp images and text. It offers a yield of approximately 4000 pages1 and supports Dell’s Toner Management System for low toner detection and easy online ordering. Product Highlights High resolution produces sharp images and text Offers a yield of approximately 4000 pages Supports the Dell’s Toner Management System for low toner detection and easy online ordering Designed to work with the Dell™ Color Laser Printer 3100cn