The Lexmark MS 421dw is a reliable monochrome laser printer designed for small to medium-sized business environments. Offering fast print speeds of up to 40 pages per minute and automatic duplex printing, it helps streamline office tasks efficiently. Our selection includes premium toner cartridges and photoconductor drums specifically designed for the Lexmark MS 421dw. By using high-quality products, you can ensure optimal print quality and prolong the life of your printer. Explore our range of toner and drum options today to keep your Lexmark MS 421dw performing at its best.