Brother TN-B021 Black Toner Cartridge (Pack of 4) is designed to deliver sharp, crisp, and professional-quality prints for your everyday printing needs. Each cartridge offers a page yield of up to 2,600 pages (ISO/IEC 19752 standard) and provides reliable performance for home, office, and business use. It is easy to install and ensures consistent print quality from the first page to the last. Compatible with a wide range of Brother Toner Box Series printers.Key FeaturesPack of 4 Black Toner CartridgesUp to 2,600 Pages Yield per CartridgeSharp & Clear Black PrintsEasy InstallationReliable & Consistent PerformanceIdeal for Home, Office & Business UseLaser Printing TechnologyCompatible with Brother Toner Box Series PrintersCompatible PrintersBrother HL-B2000DBrother HL-B2080DWBrother DCP-B7500DBrother DCP-B7535DWBrother MFC-B7715DWBrother HL-B2100DBBrother HL-B2180DWBBrother DCP-B7600DBBrother DCP-B7620DWBBrother DCP-B7640DWBBrother MFC-B7810DWB