| 摘要 |
An image forming apparatus comprising a drum having a photoconductive surface, (b) latent image forming means for irradiating the photoconductive surface with information carrying light of a variable intensity for forming latent images on the photoconductive surface, an image developing stage comprising at least two developing units of different types each for developing the latent images on the photoconductive surface into visible images, selecting means for selecting one of the developing units, and control means for regulating the intensity of the light depending on the developing unit selected by the selecting means.
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