the present invention provides a color image forming apparatus for forming a color image by superimposing a plurality of color toner images on a recording material , which can improve the quality of the toner images on the recording material during the transferring of the plural color toner images . the present invention slightly differentiates a moving speed of an electrophotographic photosensitive member as an image bearing member from a moving speed of a recording material bearing means which supports the recording material and moves with respect to the photosensitive member . whereby , it is possible to adequately transfer the toner images onto the recording material in a superimposed fashion .