Premium Remanufactured 50F1H00 (Lexmark #501H) High Yield Black Toner fully compatible with the Lexmark MS310, MS310d, MS310dn, MS410, MS410d, MS410dn, MS510, MS510dn, MS610, MS610de, MS610dn, MS610dte, MS610dtn, MX310dn, MX410de, MX510de, MX511de, MX511dhe, MX511dte, MX610de, MX611de, MX611dhe, MX611dte. The use of compatible supplies does not void your printer warranty.