The LEXMARK CX410 3.0K 80C1HM0 Magenta Toner Cartridge by Lexmark. Guaranteed to perform in all Lexmark CX310 machines. Free shipping on two units! Each LEXMARK CX410 4.0K 80C1HM0 Magenta Toner Cartridge by Lexmark is for use in all Lexmark CX410 machines. Warranty is one year. Thank you for supporting U.S. businesses and the environment, together we will both save your office money and keep empty toner cartridges out of the landfills.