Amazon.com: AZ Supplies Compatible Toner Cartridge Replacement for Lexmark 56F1X00 56F0XA0 EXTRA HIGH YIELD BLACK COMPATIBLE MS421dn-421dw-521dn-621dn MX421ade-521de-522adhe-622adhe Extra High Yield Black 2 Packs : Office Products
Renewed Lexmark MS421DN MS421 Laser Printer 36S0200 With Existing Toner & 90 days warranty