ProPrint Compatible Brother TN221BK (TN221BK) Black Toner Cartridge LIFE TIME WARRANTY - 100% Quality Guarantee for the life of the cartridge. Best Warranty in the Industry ProPrint Compatible Brother TN221 BK Black Toner Cartridge are High Quality OEM Replacement Cartridge That Provide Up to 60% Savings Compared to the OEM Works with Brother DR221CL Drum Unit (sold separately) Page Yield: 2,500 Pages Black based on 5% Coverage (letter/A4) Compatible with Brother HL-3140cw, HL-3170cdw, MFC-9130cw, MFC-9330cdw, MFC-9340cdw