These printers use the TN330 cartridge:

Brother DCP 7030

Brother DCP 7040

Brother DCP 7045 N

Brother HL 2120

Brother HL 2140

Brother HL 2150 N

Brother HL 2170 W

Brother MFC 7320

Brother MFC 7340

Brother MFC 7345 DN

Brother MFC 7345 N

Brother MFC 7440 N

Brother MFC 7450

Brother MFC 7840 W