ADF Unit
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The original is fed by the ADF entrance roller [A] and the pre-scanning (front side) roller [B], scanned on the
exposure glass under the scanning guide plate (front side) [C], and then delivered by the pre-scanning (rear side)
roller [D].
The feeding of the original is detected by transport sensor [E]. If an error occurs, it is reported as a paper jam.
The original is fed by the pre-scanning (rear side) roller [D], scanned by the ADF CIS [F] on the scanning guide
plate (rear side) [G], and then fed out by the exit roller [H].
When the original passes through the ADF entrance roller [A], the feed sensor [B] is detected OFF. If the next
original is set, the original set sensor [F] detects ON and the feed roller clutch [C] is turned ON. Then, the feed
roller [D] and pick-up roller [E] rotate to pick up the next original.
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