Premium Compatible 60F1X00 (Lexmark #601X) Extra High Yield Black Toner Cartridge fully compatible with the Lexmark MX510, MX510de, MX511, MX511de, MX511dte, MX511dhe, MX610, MX610de, MX611, MX611de, MX611dhe, MX611dte. The use of compatible supplies does not void your printer warranty.
