Brother DR-350 Drum Kit for the TN-350 Cartridge Do-It -Yourself-Kit!! Works in the following printer models: Brother DCP-7020 Brother HL-2040 Brother HL-2070N Brother IntelliFax-2820 Brother IntelliFax-2910 Brother IntelliFax-2920 Brother MFC-7220 Brother MFC-7225N Brother MFC-7420 Brother MFC-7820N