Brother MFC-8460N Servise Manual page 70

The automatic document feeder (ADF) consists of the pick-up roller, separation roller, paper feed
rollers 1/2/3/4, eject roller, ADF motor, switch back sensor, document rear sensor and document
front sensors 1/2.
For further details on the sensors, see
Paper feed rolle r 2
Document rea r
sensor actuator
Paper feed rolle r 3
Document rea r senso r
The duplex scanning mechanism allows you to use the following two types of scanning, "ADF
scanning" and "document glass scanning". These two scanning methods are switched depending
on whether the document front sensor 1 detects the document or not when starting scanning.
Section 3.2.6.
Flap C
Switch back senso r
Flap B
Switch back
Paper feed rolle r 4
sensor actuator
Fig. 3-4
3 -4
Paper feed rolle r 1
SB rolle r ASSY
Separation rolle r
Document front sensor 2
Flap A
Pic k -up rolle r
Document fron t
sensor actuator 1
Document fron t
sensor 1
Document fro nt
sensor actuator 2
Ejec t rolle r
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