These printers use the TN-920 cartridge:
Brother DCP L-5510 DN
Brother HL EX-415 DW
Brother HL L-5210 DN
Brother HL L-5210 DW
Brother HL L-5210 DWT
Brother HL L-5215 DW
Brother HL L-6210 DW
Brother HL L-6210 DWT
Brother HL L-6217 DW
Brother HL L-6310 DW
Brother HL L-6415 DW
Brother HL L-6415 DWT
Brother MFC EX-915 DW
Brother MFC L-5710 DN
Brother MFC L-5710 DW
Brother MFC L-5715 DW
Brother MFC L-5717 DW
Brother MFC L-5915 DW
Brother MFC L-6810 DW
Brother MFC L-6915 DW