Compatible Printers: Lexmark E250, E250d, E250dn, E350, E350d, E350dn, E352, Dell 1720, 1720n Compatible Cartridges: E250A11A, E250A21A, E350H11A, E350H21A Learn how to refill your Lexmark E250-series cartridge to save 80% and benefit the environment. Refilling this cartridge is very clean and easy. Just watch this video and learn how!