| 摘要 |
For use with a copier of the type which includes a document illuminating station, a platen at the illuminating station and instrumentalities for flash illuminating respective documents of different thickness at the illuminating station, there is provided a document feeder which includes a plurality of document feeding instrumentalities. A first feeding instrumentality, which is provided for feeding respective documents of different thickness to the platen, includes a first roller disposable in feeding engagement with the respective documents. In addition, a second feeding instrumentality is provided for feeding such documents from the platen, and a third feeding instrumentality is provided for feeding such documents both to and from the platen. Apparatus is provided for translating the first roller into document feeding engagement with the respective documents in response to inserting such documents into document feeding relationship with respect to the first roller.
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