Diagnostic aids 3-71
7462
4. As the image is scanned on both sides, the document sheet is fed and ejected by the ADF feed-out roll
assembly and ADF exit roll assembly that are driven by the ADF transport motor.
Names and functions of components
ADF
Sensor (ADF long media)
The document length in the slow scanning direction is detected by this sensor.
Sensor (ADF width 1), Sensor (ADF width 2), Sensor (ADF width 3), Sensor (ADF
width 3)
The document length in the fast scanning direction is detected by the combination of these three sensors
detecting the position of the tray on which the document is set.
Sensor (ADF document set)
A sensor that detects the presence or absence of a document on the ADF document tray.
ADF Document Set LED
An LED that illuminates when a document is set on the ADF Document Tray.
Switch (ADF top door interlock)
A switch that detects whether the ADF top door assembly is open.
ADF controller card assembly
Feed motor
Transport motor
Pick roll
Exit roll assembly
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