These printers use the LC51BK cartridge:

Brother DCP 130

Brother DCP 130 C

Brother DCP 330 C

Brother DCP 350 C

Brother DCP 353 C

Brother DCP 540 CN

Brother DCP 560 CN

Brother DCP 750 CW

Brother DCP 770 CW

Brother FAX 1355

Brother Fax 1360

Brother FAX 1460

Brother Fax 1860 C

Brother Fax 1960 C

Brother Fax 2480 C

Brother IntelliFax 1360

Brother IntelliFax 1860 C

Brother IntelliFax 1960 C

Brother IntelliFax 2460 C

Brother IntelliFax 2480 C

Brother IntelliFax 2580 C

Brother MFC 44 CN

Brother MFC 230 C

Brother MFC 240 C

Brother MFC 240 CMFP

Brother MFC 244 CN

Brother MFC 350 C

Brother MFC 440 C

Brother MFC 440 CN

Brother MFC 440 CNMFP

Brother MFC 465 CN

Brother MFC 655 CW

Brother MFC 660 CN

Brother MFC 665 CN

Brother MFC 665 CW

Brother MFC 665 CWMFP

Brother MFC 680 CN

Brother MFC 685 CW

Brother MFC 845 CW

Brother MFC 845 CWMFP

Brother MFC 885 CW

Brother MFC 3360 C

Brother MFC 3360 CMFP

Brother MFC 5460 CN

Brother MFC 5460 CNMFP

Brother MFC 5860 CN

Brother MFC 5860 CNMFP