| 摘要 |
An image forming apparatus including a plurality of image bearing members for respectively bearing images of different colors, a transfer material bearing member for bearing a transfer material, wherein selectable is a mode for transferring, to the transfer material borne by the transfer material bearing member, an image of predetermined color from a predetermined image bearing member only, selected among the plurality of image bearing members. A deforming device for deforms the conveying surface of the transfer material bearing member for the transfer material, the deforming device being adapted, when such mode is selected, to deform the conveying surface in such a manner that the predetermined image bearing member alone comes into contact with the transfer material borne by the transfer material bearing member, wherein the deforming device is adapted to contact the transfer material bearing surface of the transfer material bearing member thereby deforming the conveying surface.
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