Speedy Inks Compatible Toner Cartridge Replacement for Okidata 44315304 (Black) For use in: Oki C610cdn, Oki C610dn, Oki C610dtn, & Oki C610n Page Yield: 8000 | Color: Black Shelf Life: 24-36 Months The use of aftermarket replacement cartridges and supplies does not void your printer's warranty