| 摘要 |
An object of the present invention is to provide an image forming apparatus that has an image bearing member a flexible charging member for forming a nip portion between itself and the image bearing member and charging the image bearing member, the charging member being applied with a voltage when the charging member at least charges the image bearing member for an image formation, the charging member being provided with a foamed layer on a surface thereof and the nip portion being provided with electrically conductive particles developing device for developing an electrostatic image formed on the image bearing member with a developer, the developing device executing a developing operation and, at the same time, executing a collecting operation for collecting a residual developer on the image bearing member wherein the voltage is a superposed voltage with a direct current voltage and an alternating current voltage having a peak to peak voltage which is less than the alternating current voltage applied when the charging potential of the image bearing member converges.
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