10,000 Pages Caire(TM) Remanufacturered Lexmark MS410d, MS410dn, MS415dn, MS510dn, MS610de, MS610dn, MS610dte, & MS610dtn Toner Cartridge [MS310: K] High Page Yield: Black 10,000 | Shelf Life: 24-36 Months Consistent Crisp output with Sharp Lines, Solid Shades, and Smooth Edges Built to flawlessly work and compete: For use on MS410d, MS410dn, MS415dn, MS510dn, MS610de, MS610dn, MS610dte, & MS610dtn The use of our replacement toner does not void your printer's warranty. Extended '2 Year 100% Quality Satisfaction' Guarantee