For an image forming apparatus, a transfer fixing apparatus and a transfer
fixing method fix a toner image onto a record medium. The fixing
apparatus and the image forming apparatus have a structure to reduce
adverse heat influences impacting on an intermediate transfer member, and
can further reduce vibrations generated to the intermediate transfer
member and to a recording medium onto which a visualized image is
transferred from the intermediate transfer member. Further, a heating
value and a heat distribution in the fixing apparatus can be controlled
to be optimized.