These printers use the TN227C cartridge:
Click On a Printer to View it's Cartridges
          Brother DCP-L 3510 CDW
          Brother DCP-L 3550 CDW
          Brother HL-L 3210 CW
          Brother HL-L 3230 CD
          Brother HL-L 3230 CDW
          Brother HL-L 3270 CDW
          Brother HL-L 3290 CDW
          Brother MFC L-3750 CW
          Brother MFC-L 3710 CW
          Brother MFC-L 3730 CDN
          Brother MFC-L 3750 CDW
          Brother MFC-L 3770 CDW
          Konica-Minolta Bizhub C-257 I