These printers use the LC3037BK cartridge:

Brother HL L-6000 DW

Brother HL L-6100 DW

Brother MFC J-5845 DW

Brother MFC J-5845 DW XL

Brother MFC J-5945 DW

Brother MFC J-6545 DW

Brother MFC J-6545 DW XL

Brother MFC J-6945 DW

Brother MFC J-6947 DW

Canon HL-J6000 DW

Canon MFC-J5845DW

Canon MFC-J5845DW XL

Canon MFC-J5945DW

Canon MFC-J6545DW

Canon MFC-J6545DW XL

Canon MFC-J6945DW