Compatible with: Dell Laser H815dw, Dell Laser S2810dn, Dell Laser S2815dn Compatible with Dell Part Numbers: KNRMF, F9G3N, 593-BBML Page Yield* Per Cartridge: 3,000 For best results, store in a cool, dry place. Use within 3 years of purchase for optimal performance.*at 5% coverage (ISO/IEC standard) Dell is a registered trademark of Dell and is not affiliated with and does not endorse LD Products. Professionally manufactured by LD Products