| 摘要 |
An image duplicating apparatus having optical scanning and image reproducing stages for reproducing images on a sheet medium, a plurality of sheet feeding stages each for feeding a sheet medium to the image reproducing stage, the sheet feeding stages being respectively operative to store sheet media of different sizes, a first size indicating device for indicating the size of the sheet media stored in each of the sheet feeding stages, a first controller for controlling the optical scanning and image reproducing stages so that the image reproducing stage reproduces images on one of the opposite faces of a sheet medium fed from one of the sheet feeding stages, a sheet recovery and supply stage for temporarily storing the sheet medium having images reproduced on one of its faces under the control of the first controller and thereafter supplying the sheet medium for a second time to the image reproducing stage, a second controller for controlling the optical scanning and image reproducing stages so that the image reproducing stage reproduces images on the other face of the sheet medium supplied from the sheet recovery and supply stage, a second size indicating device for indicating the size of the sheet media which can be stored in the sheet recovery and supply stage, and a sheet-feed selecting device for comparing the sizes of sheet media respectively indicated by the first and second size indicating device and automatically selecting the particular one of the sheet feeding stages that stores sheet media of the size identical with the size of sheet media indicated by the second size indicating device.
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