McDermott, Will & Emery
Image reading apparatus
During reading process, an image reading unit read a white pressing plate (reference member) under a state where no original exists between the white pressing plate and an original glass plate. On the basis of the read image data, it is judged whether dirt is detected on the glass plate or not. If dirt is detected, a page in which a black line appears is determined. Information of the page is displayed on a display section. An original of the page is reread by the image reading unit.
Minolta Co., Ltd.
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Hideaki Taisuke Makoto Hidekazu Katsuaki
Mizuno Akahori Kumagai Takahama Tajima