| 摘要 |
A copying apparatus includes an automatic original conveyer, an original size detection sensor, a scanning optical system for transferring an image from an original to a photosensitive element, and a control portion for transmitting electrical command signals to the separate elements and control operation of the conveyer in accordance with an operaional program. When a smaller-size original is detected by the size detection sensor, control signals are generated to the conveyer which shorten the conveying distance and reduce the exchange time so as to copy smaller size originals more rapidly, thereby significantly improving the productivity of the copier over the prior art.
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