These printers use the TN-920UXXL cartridge:

Brother HL EX-415 DW

Brother HL L-5210 DW

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-5715 DW

Brother MFC L-5915 DW

Brother MFC L-6810 DW

Brother MFC L-6915 DW