1 m 1 c and 1 bk and manufacture the image forming apparatus at low costs further in the present embodiment the uppermost surface 8 a of the intermediate transfer belt 8 is disposed at a position higher than the nipping portion heating and pressurizing portion of the fixing device 16 and lower than the delivery rollers 21 which are delivery means whereby both of the height on the fixing device side and the height on the intermediate transfer belt side are well balanced thereby the height of the main body of the image forming apparatus can be made small and also the angle of inclination of the lower belt surface primary transfer surface 8 b of the intermediate transfer belt 8 can be set to a great angle further in the present embodiment toner containers 30 a 30 b 30 c and 30 d fig3 for supplying the toners to the developing devices 4 a 4 b 4 c and 4 d respectively are disposed laterally of the intermediate transfer belt 8 as viewed in a plan view as shown in fig3 to 5 the toners consumed in the respective image forming portions 1 y 1 m 1 c and 1 bk are contained in the toner containers 30 a.