| 摘要 |
An image forming apparatus having a latent image carrier, a first developing unit having a plurality of developing units and provided so as to face the latent image carrier at a predetermined developing position, and a second developing unit provided so as to face the latent image carrier at a developing position different from that for the first developing unit, wherein even if the first developing unit malfunctions, the second developing unit is used to form an image, if possible.
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