V4INK174; New Compatible Replacement Brother 1PK TN780+1PK DR720 Toner Cartridge for Brother HL-6100 Series:HL-6180DW/6180DWT MFC-8950DW/8950DWT Style: New Compatible (Replacement) Guarantee: One-Year Warranty/Shelf Time: 18M Color: Black Page Yield:12000 @5% coverage ISO/IEC 19752 (letter/A4) Compatible for Brother TN780 Toner Cartridge-8000 Page Yield for HL-5440DN 5445D 5450DN 5470DW 5470DWT, HL-6180DW 6180DWT, DCP-8110DN 8150DN 8155DN 8250DN, MFC-8510DN 8515DN 8520DN 8710DW 8910DW 8950DW 8950DWT series.