| 摘要 |
This specification discloses a light beam printer which is provided with a plurality of electrophotographic photosensitive medium scanned by light beams and in which toner images of different colors are transferred onto a transfer medium in superposed relationship with each other. Each of the light beams depicts a curved movement locus on each of the photosensitive mediums, and the directions of curvature of the movement locuses correspond to each other and the amounts of curvature of the movement locuses are substantially equal to each other.
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