A color misregistration correction method executed in an image forming apparatus including a plurality of image forming units that include image carriers and form toner images of different colors on the image carriers by using developing devices, an intermediate transfer belt to which the toner image on the image carrier is transferred, a plurality of primary transfer sections that are each provided facing a corresponding one of the plurality of image carriers and form a transfer nip by being urged toward the image carrier from an inner peripheral surface side of the intermediate transfer belt, and a crimping/release mechanism that switches between a crimping position where the transfer nip is formed and a release position where the intermediate transfer belt and the image carrier are separated from each other by moving at least one of the primary transfer sections according to a combination of the image forming units used for image formation,
- the color misregistration correction method comprising performing color misregistration adjustment when the combination of the image forming units used for image formation is changed.