Genuine Dell 5100cn Toner Set (BK/C/M/Y) 4-Pack bundle includes Black, Cyan, Magenta and Yellow toner cartridges Up to 9000 pages for Black and 8000 pages for Cyan / Magenta / Yellow toner cartridges Produces high resolution printouts with sharp images and text Designed to work with Dell 5100cn Color Laser Printer Black and color toner yield based on testing in accordance with ISO/IEC 19798. Yields vary with usage and environmental conditions.