| 摘要 |
An optical scanning apparatus includes a light source to emit a laser beam; an optical element disposed opposite the light source to split the laser beam into a plurality of laser beams, each of the split laser beams guidable to a corresponding scanning target selected from a plurality of scanning targets when forming a latent image thereon by controlling activation of the light source based on image data while shifting a scanning timing for each of the plurality of scanning targets when forming the latent image thereon; and a control unit, using a processing device, that switches the light source off for a specific scanning target on which an image is not to be written for a given image forming operation based on specific image data so that the specific scanning target is not scanned even when the specific scanning target enters its scanning timing.
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