| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an image forming apparatus, which is provided with a detection means capable of generally and highly precisely detecting the moving speed of an image carrier such as a photoreceptor drum and a photoreceptor belt and an intermediate transfer belt made of polyamide or the variation of the moving speeds. <P>SOLUTION: In the image forming apparatus provided with an optical sensor 6 as a speed detection means of detecting the speed of an image carrier 1 by detecting the wavelength of the diffused and reflected light of the light which has been applied, at the time when the optical sensor 6 detects the moving speed of the image carrier 1, a toner image with a coating weight of ≥0.05 mg/cm<SP>2</SP>is formed on the image carrier 1 at least by one round. <P>COPYRIGHT: (C)2006,JPO&NCIPI |
