Includes: Compatible Toner Cartridge Replacement for Brother TN433BK High Yield (Black, 4-Pack Compatible with: Brother: HL-L8260CDW, HL-L8360CDW, HL-L8360CDWT, HL-L9310CDW, HL-L9310CDWT, HL-L9310CDWTT MFC-L8610CDW, MFC-L8900CDW, MFC-L9570CDW, MFC-L9570CDWT Page Yield Per Cartridge: 4,500 Shelf Life: 24-36 months Average cartridge page yield in accordance with ISO IEC 24735 Color: Black The use of aftermarket replacement cartridges and supplies does not void your printer's warranty