Toner cartridges are designed for use with the Lexmark Laser Printers: MX611DE, MX511DE, MX410DE, MX611DHE, MX610DE, MX511DHE, MX510DE, MX310DN, MX511DT. High Yield: 10,000.
Toner cartridges are designed for use with the Lexmark Laser Printers: C540n, C543n, C544n, C544dn, C544dw, C544dtn, X543dn, X544n, X544dn, X544dw, X544dtn.