Brother BRTWT100CL BROTHER HL-4040CN WT100CL WASTE TONER UNIT. Compatable with these models: DCP-9040CN
DCP-9045CDN
HL-4040CDN
HL-4040CN
HL-4070CDW
MFC-9440CN
MFC-9450CDN
MFC-9840CDW
DCP-9045CDN
HL-4040CDN
HL-4040CN
HL-4070CDW
MFC-9440CN
MFC-9450CDN
MFC-9840CDW