| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an image forming apparatus capable of eliminating the influence of paper vibration being the problem in a scanning type sensor, thereby inexpensively and highly precisely performing the shading compensation of a density sensor 9 with a saved space. <P>SOLUTION: The density sensor 9 is installed inside a both-sides transportation path 67, the shading compensation of the paper is carried out in a white part and paper transportation is stopped only when the white part is read. <P>COPYRIGHT: (C)2006,JPO&NCIPI |
