Premium DR-720 Black Drum Unit fully compatible with the Brother DCP-8110DN, DCP-8150DN, DCP-8155DN, HL-5450DN, HL-5470DW, HL-5470DWT, HL-6180DW, HL-6180DWT, MFC-8510DN, MFC-8710DW, MFC-8910DW, MFC-8950DW, MFC-8950DWT. The use of compatible supplies does not void your printer warranty.