Lexmark 56F1X0E Corporate Black Toner Cartridge

Compatible Lexmark models: MS : MS421DN, MS421DW, MS521DN, MS621DN, MS622DE. MX : MX421ADE, MX521ADE, MX521DE, MX522ADHE, MX622ADE, MX622ADHE. . Yield Value: 20000 Monochrome Laser Yields up to 20,000 pages. Unison toner offers great image quality. Backed by the manufacturers limited lifetime warranty. Recycling solution - designed to encourage recycling, helping you divert materials from landfill.