Brother DR720 Drum Unit - DR 720 - DR-720 - For use in Brother DCP-8110DN, DCP-8150DN, DCP-8155DN, DCP-8250DN, HL-5440D, HL-5450DN, HL-5470DW, HL-5470DWT, HL-6180DW, HL-6180DWT, MFC-8510DN, MFC-8520DN, MFC-8710DW, MFC-8810DW, MFC-8910DW, MFC-8950DW, MFC-8950DWT Laser Printers.