| 摘要 |
A image forming apparatus includes a plurality of photoreceptors and laser scanning optical units corresponding to the photoreceptors. Each of laser scanning optical units includes a laser light source, a deflector disposed so as to be rotatable about an axis parallel to the conveyance direction of a transfer belt, a first mirror that reflects a laser beam deflected for scanning by the deflector in a direction opposite to the direction of disposition of the photoreceptor, in a direction parallel to the conveyance direction of the transfer belt and a second mirror that reflects the laser beam reflected by the first mirror, toward the photoreceptor.
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