| 摘要 |
An optical detection apparatus includes a detector configured to detect image data in a predetermined reading area on a conveying path to convey the sheet, a first illuminator configured to intermittently emit an excitation light to a first illumination area including the reading area of the detector, a second illuminator configured to continuously emit an excitation light to a second illumination area which is continued with the first illumination area on the upstream of the first illumination area on the conveying path and which does not include the reading area of the detector, and a control unit configured to control the detector to detect image data of the sheet according to the emitting operation of the first illuminator.
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