1. An image forming apparatus comprising: an image bearing member for bearing a toner image; a toner image forming unit for forming the toner image on said image bearing member; a primary transferring unit for transferring the toner image on said image bearing member to an intermediate transferring member; a transferring and fixing unit for transferring the toner image on said intermediate transferring member to a recording material and heating the toner image on the recording material; an executing unit for executing a cooling process for cooling said image bearing member; and a control unit for controlling the cooling process, when an image forming job for forming the image on the recording material is input, to change a temperature of said image bearing member at a time for starting the image formation of the image forming job based on input image forming job information.