3-4
3.2.1 Scanner Mechanism
This mechanism consists of the document guide base, ADF & document tray ASSY and scanner
unit.
The ADF (automatic document feeder) unit contains a separation roller ASSY, document feed
roller ASSY, document ejection roller, ADF motor, and document front and rear sensors.
The scanner unit consists of a scanner top cover, CCD unit, CCD drive mechanism, CCD HP
sensor, and scanner base.
For details about the sensors, refer to Subsection 3.2.3.
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