The Lexmark No. 100 Ink Cartridges are designed for use with most multi-function printers. They will work with the Lexmark Impact S305, Interact S605, Interpret S405, Intuition S505, S605, S815, S816, Pinnacle Pro901, Platinum Pro905, Prestige Pro805, Prevail Pro705 and Prospect Pro205. The three pack of printer ink cartridges includes one each of cyan, magenta and yellow. Designed with Vizix print technology, they deliver a true image every time. Use the colored ink to print flyers, cards, labels, brochures, business cards and pictures. They will deliver an approximate page yield of 200 pages. The return program cartridges are sold at a discount, versus the prices of regular cartridges. The program is designed for customers to use the cartridge once then return it to Lexmark for re-manufacturing or recycling. Save money on printing costs by using this service.