| 摘要 |
PURPOSE:To execute a copying by an optical image from the device except an original platen by turning one side of V-shaped mirrors to change an optical path in parallel, and image-forming even the light image from a screen provided at a copying machine in the turning condition to a photosensitive drum. CONSTITUTION:By turning the mirror 92 of one side of mirrors 91 and 92 to change the optical path in parallel, an optical image from a screen 65 can be image-formed to a photosensitive drum 10. Consequently, not only the usual copying by the optical image from an original platen 2 but also the copying by the optical image from a screen part 61 can be executed approximately as well as the usual copying action, and are very convenient in case of using it at a conference or the like. By turning a mirror 92 to position in the optical path to combine mirrors 93 and 150, the optical path of the external part light is secured. For such a reason, in the internal part of a copying machine 1 with a mounting density, it is hardly necessary to modify the other part such as the developer and the mounting efficiency can be improved.
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