| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an image forming apparatus that controls an ink density even when a black image forming unit and a color image forming unit are arranged at different positions. <P>SOLUTION: An image forming apparatus of the present invention includes a color image forming unit that forms a color image and a black image forming unit that forms a black image. The color image is first formed on an intermediate transfer body, and then transferred from the intermediate transfer body to a transfer paper; the black image is transferred from the black image forming unit directly to a transfer paper. Density of the black image is detected and controlled on the intermediate transfer body. <P>COPYRIGHT: (C)2012,JPO&INPIT |
