| 摘要 |
An apparatus includes: a latent image carrier which is freely rotatable in a predetermined sub scanning direction; a latent image carrier gear which is attached to an end portion of the latent image carrier; a drive motor which applies drive rotation force upon the latent image carrier via the latent image carrier gear and which rotates the latent image carrier; a line head which forms on the latent image carrier a line latent image which extends in a main scanning direction which is approximately orthogonal to the sub scanning direction; an exposure controller which provides an image signal to the line head and controls writing of the line latent image; a phase detector which detects the phase data regarding the latent image carrier gear; and a timing controller which adjusts the write location of the line latent image on the latent image carrier based on the phase data detected by the phase detector.
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