| 摘要 |
An image forming device includes a photoconductor, a charging device which charges a surface of the photoconductor, an exposing device which forms an electrostatic latent image on the charged surface of the photoconductor, a developing device which develops the electrostatic latent image by toner, a transfer device which transfers a developed toner image onto printing paper, a toner trapping member which traps the toner remaining on the photoconductor after a transfer process, and a potential control device. The potential control device controls a voltage to be impressed to the remaining toner trapping member so that a potential difference between a potential to be impressed to the remaining toner trapping member and a surface potential of the photoconductor corresponding to the remaining toner trapping member becomes substantially the same potential difference in a paper non-transport period and a paper transport period.
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