| 摘要 |
An image processing apparatus, according to the present invention can include a forming portion capable of forming a mark on a bearing member, a light projecting portion capable of irradiating a light onto the bearing member, a light receiving portion capable of receiving a reflection light from the bearing member and from the mark, and outputs a received light signal in accordance with the received light amount, a judging portion capable of judging the existence or non-existence of a mark on the bearing member based on the received light signal, an evaluating portion capable of evaluating a reflection state of the bearing member and an adjusting portion capable of adjusting a light receiving sensitivity of the light receiving portion at a time of a judgment by the judging portion, in accordance with an evaluation of the evaluating portion.
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