| 摘要 |
The present invention provides an image reading apparatus comprising a transparent plate, a convey means for conveying an original onto the transparent plate, a light source for illuminating the original, a light receiving element for reading an image of the original illuminated by the light source through the transparent plate, the light receiving element being shifted in a first mode in which the original stopped on the transparent plate is read and being kept stationary in a second mode in which the original being shifted by the convey means is read, and a control means for controlling a light amount of the light source in accordance with the first mode or the second mode.
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