| 摘要 |
An image forming apparatus includes an image forming portion that superposes images on an intermediate transfer member by rotations of the intermediate transfer member to form a color image on the intermediate transfer member, a transfer portion that transfers the image formed on the intermediate transfer member in the image forming portion to a sheet, a fixing portion that fixes the image onto the sheet, and a switchback portion that switches back the sheet so as to return the sheet to the transfer portion for forming the image on a second face of the sheet, after the image has been formed on a first face of the sheet. The sheet is returned through a return path at a return speed equal to or lower than a delivery speed of the sheet in the transfer portion, when the image for the second face of the sheet is the color image.
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