These printers use the TN439M cartridge:
Click On a Printer to View it's Cartridges
Brother HL L-9310 CDW
Brother HL L-9310 CDWT
Brother HL L-9310 CDWTT
Brother HL L-9570 CDW
Brother HL L-9570 CDWT
Brother MFC L-9570 CDW
Brother MFC L-9570 CDWT