Brother HL-4040CN Laser Printer Sensor Board B512237-1

Brother MFC-9840CDW Laser Printer Sensor Board B512238-1

Brother MFC-9840CDW Laser Printer Sensor Board B512243-3

Brother MFC-9840CDW Printer Sensor Yellow End Connector Sensor Board B512238-1

Brother MFC-9840CDW Printer Sensor Board Black Connector End Sensor Board B512

Brother MFC-9840CDW Printer Sensor Board with Cable 3X1 Sensor Board B512236-2

Brother MFC-7340 Laser Printer Sensor Board B512258-1 LV0022

Brother MFC-8890DW Laser Printer Sensor Board B512222-1 LJ9936