| 摘要 |
An image forming apparatus for forming a multicolor toner image by superposing a plurality of monochromatic toner images on a transfer material is disclosed which comprises: a plurality of toner image carriers on which monochromatic toner images of different colors are respectively formed, toner-image-carrier driving means for driving all the toner carriers to rotate in a predetermined period, and position-shift correction quantity detecting means for detecting the position shift quantity of each monochromatic toner image in the multicolor toner image or a value correlated thereto and outputting position-shift correction quantity corresponding to the detected result, wherein the toner-image-carrier driving means controls the period of rotational driving of each toner image carrier in conformity with the position-shift correction quantity. <IMAGE> |
