| 摘要 |
When a monochromatic original is read, a control is effected to transfer a charge accumulated in a monochromatic photodiode array to a rear stage, and not to accumulate charges in respective color photodiode arrays. When a color original is read, a control is effected to transfer charges accumulated in the respective photodiode arrays and not to accumulate a charge in the monochromatic photodiode array.
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