4.Internal structure
The automatic document feeder (ADF) consists of the
For further details on the sensors, see 3.6 Sensors position.
Switch back sensor |
| Flap C | Paper feed roller 1 | |
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Paper feed roller 2 | Flap B |
| SB roller ASSY | Separation roller |
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Document rear |
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| Document front |
sensor actuator |
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| sensor actuator 1 | |
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Paper feed roller 3 |
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| Document front |
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| sensor 1 | |
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| Document front |
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| sensor actuator 2 |
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| Eject roller |
Document rear sensor |
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Switch back |
| Paper feed roller 4 Flap A | Document front sensor 2 | |
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sensor actuator |
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Fig.
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.
However, there is the case that the “document glass scanning” is given priority to over by a state of the document cover sensor (described later).
Confidential |