Compatible with: Lexmark MS Series: MS517dn, MS617dn Lexmark MX Series: MX517de, MX617de Page Yield* Per Cartridge: 20,000 For best results, store in a cool, dry place. Use within 3 years of purchase for optimal performance.*at 5% coverage (ISO/IEC standard) All LD compatible and remanufactured cartridges are quality tested to ensure long-lasting use and bold, vivid print on every page Color: Black Please contact us first with any product issues. We want all of our customers to be happy because happiness matters.