Patent ID: 6112037
Filing Date: 2000-08-29
Classification: G03G

Abstract:
A color image forming apparatus, comprising:a carrier belt which runs along a transport path of a recording medium to transport the recording medium;a plurality of image-forming sections aligned in the transport path, each of the plurality of image-forming sections forming a toner image of a corresponding color included in an image signal;a plurality of transfer units each of which is disposed to oppose a corresponding one of said plurality of image-forming sections, each of said plurality of transfer units transferring the toner image of the corresponding color to the recording medium;a fixing unit which fixes the toner image to the recording medium; anda controller that detects a number of colors in the image signal, said controller setting one set of speeds from a plurality of sets of speeds in accordance with the number of colors, each set of speeds including a speed of said carrier belt, a speed at which each of said image-forming sections forms a respective toner image of a corresponding color, and a speed of said fixing unit,wherein the speed of said carrier belt, the speed at which each of said image-forming sections forms a respective toner image of a corresponding color, and the speed of said fixing unit of any one respective set of speeds are substantially equal to each other, andwherein the speed of said carrier belt, the speed at which each of said image-forming sections forms a respective toner image of a corresponding color, and the speed of said fixing unit of the any one respective set of speeds are substantially different from the speed of said carrier belt, the speed at which each of said image-forming sections forms a respective toner image of a corresponding color, and the speed of said fixing unit of any other respective set of speeds.