| 摘要 |
PURPOSE:To eliminate the generation of a defective image caused by the stain of the electrification member, etc. the generation of the electrification sound and the generation of the interference fringes and to stably execute uniform electrification by providing all the same electrification-performances and advantages as a contact electrification system and adopting the contact electrification system. In the image forming device applied with an image formation process including a stage which electrifies an image carrier. CONSTITUTION:The electrifying means of the image carrier 4 is the electrifying member 5 which faces the image carrier 4 with a space between them and for which a voltage is applied. The relevant electrifying member 5 controls AC constant current in at least a part of the non-image area of the image carrier 4 electrified by the electrifying member 5, and also detects an AC voltage as it does so. When in the image area, it controls a constant voltage by using an oscillating voltage generated by supersoing the relevant detected AC voltage, or an AC voltage obtained by using an arithmetic processing to the relevant detected AC voltage to. |
