| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an image forming apparatus which can reduce the frequency of replacement of a black toner cartridge without adversely affecting the size of an apparatus main body. <P>SOLUTION: The image forming apparatus includes a black image forming station and one or more non-specific color image forming stations for forming images of colors other than black. The photosensitive drum 103K of the black image forming station is located vertically downward of the photosensitive drum 103Y, 103M, and 103C of the non-specific color image forming stations. The capacity of the black toner cartridge 100K of the black image forming station is made larger than those of the toner cartridges of the non-specific color image forming stations. <P>COPYRIGHT: (C)2006,JPO&NCIPI |
