| 摘要 |
An image forming apparatus having an image formation processing unit for forming an image of an original according to information carried by light reflected from the original. A plurality of paper feed cassettes are provided to accommodate plural kinds of output papers having different sizes or having longitudinal and transverse feed directions for papers of the same size. A selected one of the output papers is supplied from the selected paper feed cassette to the image formation processing unit, and the image of the original is thereafter formed on the selected output paper. At least two kinds of the output papers can be preliminarily selected, and simultaneously an enlarging or reducing magnification can be selected. When the original is set in position, a size and a direction of the original are detected, and an optimum one of the plural kinds of the output papers preliminarily selected is determined according to information of the detected size and direction of the original and information of the selected magnification. Thus, the optimum output paper is supplied to the image formation processing unit. Accordingly, an output image can be obtained on the optimum output paper of a desired size and direction with a desired magnification irrespective of the size and direction of the original.
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