| 摘要 |
An electrophotographic copying machine comprising a document supporting glass plate for supporting an original document thereon, an optical system for scanning the document on the document supporting glass plate, a photoreceptor drum for recording the image of the document scanned by the optical system, and timing rollers for feeding copying paper to which the image on the photoreceptor drum is transferred. The document supporting glass plate defines a reference position with respect to a direction of scanning by the optical system. The timing rollers are controllable such that the image present on the photoreceptor drum when the optical system scans the reference position is transferred to a central position of the copying paper with respect to a copying paper feed direction.
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