These printers use the TN-229C cartridge:

Brother HL L-3220 CDW

Brother HL L-3280 CDW

Brother HL L-3295 CDW

Brother HL L-3300 CDW

Brother HL L-3320 CDW

Brother HL L-8245 CDW

Brother MFC L-3720 CDW

Brother MFC L-3765 CDW

Brother MFC L-3780 CDW

Brother MFC L-8395 CDW