Top Dog Compatible Replacement for Brother DR350 Drum Unit (12,000 Yield) for use with Brother HL-2040 Brother HL-2070N Brother MFC-7220 Brother MFC-7225N Brother MFC-7420 Brother MFC-7820N Brother DCP-7020 Brother IntelliFax-2820 Brother IntelliFax-2910 Brother IntelliFax-2920 Printers