Page Yield* per Black Cartridge: 900 For best results, store in a cool, dry place. Use within 36 months of purchase for optimal performance. *at 5% coverage (ISO/IEC standard) Compatible with the following Brother printers: MFC-5890CN, MFC-5895CW, MFC-6490CW & MFC-6890CDW Deliver vivid, crisp text and graphics. Professionally manufactured by LD Products