Lexmark MS421DW Toner Cartridges

The Lexmark MS421DW uses black toner in three sizes: compatible 56F1000 (standard, about 6,000 pages), 56F1H00 (high yield, about 15,000 pages) and 56F1X00 (extra high yield, about 20,000 pages). The compatible drum 56F0Z00 is rated at about 60,000 pages. The same supplies also fit the MS421DN, MS521DN and MS621DN. Same-day shipping on most orders.