| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an image forming apparatus that transfers a toner image on a toner image carrier belt to a member to be transferred by an electric field power, the image forming apparatus maintaining high efficiency of transfer from the toner image carrier belt to the member to be transferred and forming a uniform, high quality image on the member to be transferred. Ž<P>SOLUTION: The image forming apparatus 1 includes: an intermediate transfer belt 311 extended by a counter roller 321 and a drive roller 312 and rotary driven; a secondary transfer roller 322 disposed in pressure-contact with the counter roller 321 via the intermediate transfer belt 311; an electrode member 323 opposed with a predetermined gap left from the counter roller 321; and a power source 324 that applies a voltage that has predetermined frequency and amplitude, to the electrode member 323. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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