7/13/2019
2.4.5
MP-PE sensor
Detects if there is paper in the MP tray.
2.4.6
Document cover sensor
Document cover sensor
http://slidepdf.com/reader/full/brother-8840d-service-manual
Brother 8840D Service Manual
MFC-8440/8840D/8840DN, DCP-8040/8045D/8045DN
Fig. 3-29
Fig. 3-30
3-19
SERVICE MANUAL
MP-PE sensor PCB ASSY
Feed MP unit
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