An object of the present invention is to produce an image scanning apparatus for preventing occurrence of a black line in the scanning of a sheet of document. A light source 23 is moved between positions A and B when a sheet of a document is scanned while being transported. Accordingly, a scanning position is moved in a sub-scanning direction. Thus, movement of the scanning position makes it possible to prevent or to inhibit the occurrence of a black line on the scanned image.

 
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> IMAGE PROCESSING APPARATUS AND METHOD THEREOF

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