The present invention provides an image forming apparatus which can develop a latent image formed on a latent image bearing member (7) with first toner or with second toner different from the first toner, the apparatus comprises a fixing means (20) for fixing toner image, and including a heat member (4) heated by a heat source (6) and contacted with the toner image. The temperature of the heat member (4) in a stand-by condition for forming the image with the first toner differs from a temperature of the heat member (4) in a stand-by condition for forming the image with the second toner.
