Toner Cartridge
56F6000
is compatible in the following Printers:
Lexmark MS421
Lexmark MS421dn
Lexmark MS521
Lexmark MS521dn
Lexmark MS622
Lexmark MS622de
Lexmark MX421
Lexmark MX421ade
Lexmark MX522
Lexmark MX522adhe
Lexmark MX622
Lexmark MX622adhe