These printers use the TN221C cartridge:
Click On a Printer to View it's Cartridges

          Brother DCP 9015 CDW
          Brother DCP 9020 CDW
          Brother HL 3140 CW
          Brother HL 3150 CDN
          Brother HL 3150 CDW
          Brother HL 3170 CDW
          Brother HL 3180 CDW
          Brother MFC 9130 CW
          Brother MFC 9140 CDN
          Brother MFC 9142 CDN
          Brother MFC 9330 CDW
          Brother MFC 9340 CDW