Speedy Inks Compatible Toner Cartridge Replacement for Lexmark 501H 50F1H00 High Yield (Black, 4-Pack) For use in: MS310d, MS410d, MS410dn, MS510dn, MS610dn, MS610dtn, MS610de, MS610dte, MS310dn, MS312dn, MS315dn, MS415dn Page Yield: 5002 | Pack of 4 Shelf Life: 24-36 Months Color: Black The use of aftermarket replacement cartridges and supplies does not void your printer's warranty