Brother MFC-8220 - Document Front Sensor;Document Rear Sensor; Regist Sensor

MFC-8220
SERVICE MANUAL
3-19
2.4.5 Document front sensor /Document rear sensor
It detects that a document is placed on the ADF. (Document front sensor)
It detects that a document is finished to be fed. (Document rear sensor)
Fig. 3-28
2.4.6 Regist sensor
It detects whether paper is fed from the paper tray or the manual feed tray.
Fig. 3-29
Document front sensor
Document rear sensor
Engine PCB ASSY
Regist sensor