公开(公告)号：US06226486B1

公开(公告)日：2001-05-01

申请号：US09088699

申请日：1998-06-02

申请人： Yoshikuni Itou ,  Masahiro Inoue ,  Yoichi Kimura ,  Yuji Bessho

发明人： Yoshikuni Itou ,  Masahiro Inoue ,  Yoichi Kimura ,  Yuji Bessho

IPC分类号： G03G1500

CPC分类号： G03G15/0131 ,  G03G15/167 ,  G03G2215/0119

摘要： An image forming apparatus includes an image bearing member for carrying a toner image; a recording material conveyer belt for electrostatically carrying and feeding a recording material; a roller, provided on a side of the recording material conveyer belt not carrying the recording material in a separation position where the recording material is separated from the recording material conveyer belt, for supporting the recording material conveyer belt; a transfer charger for electrostatically transferring the toner image from the image bearing member onto the recording material at a transfer position; a discharge, provided across the recording material conveyer belt from the roller at the separation position, for discharging the recording material upon separation thereof from the recording material conveyer belt; wherein the roller is electrically grounded through an element in which a voltage is generated when the current is supplied thereto.

摘要翻译： 图像形成装置包括用于承载调色剂图像的图像承载部件; 用于静电携带和馈送记录材料的记录材料输送带; 设置在记录材料输送带的不在记录材料与记录材料输送带分离的分离位置的记录材料输送带的一侧的辊，用于支撑记录材料输送带; 转印充电器，用于在转印位置将调色剂图像从图像承载部件静电转印到记录材料上; 在分离位置处从记录材料输送带横跨记录材料输送带排出的排出物，用于在记录材料从记录材料输送带分离时排出记录材料; 其中当电流被供给时，通过其中产生电压的元件将所述辊电接地。

公开(公告)号：US5937245A

公开(公告)日：1999-08-10

申请号：US990918

申请日：1997-12-15

申请人： Masahiro Inoue ,  Yoichi Kimura ,  Yoshikuni Itou

发明人： Masahiro Inoue ,  Yoichi Kimura ,  Yoshikuni Itou

IPC分类号： G03G15/00 ,  G03G15/02 ,  G03G15/045 ,  G03G15/24

CPC分类号： G03G15/0216 ,  G03G2215/022

摘要： An image forming apparatus includes an image bearing member, latent image forming device for forming an electrostatic image on the image bearing member, the latent image forming device having a charging member contactable to the image bearing member to electrically charge the image bearing member, and the charging member being supplied with a voltage which includes an oscillation component, a developing device for developing the electrostatic latent image with toner into a toner image, the developing device being capable of removing residual toner from the image bearing member, a transfer device for transferring the toner image from the image bearing member onto a transfer material, and a frequency control device for controlling a frequency of the oscillation component so that the frequency is higher when at least a part of such an area of the image bearing member as is going to be a non-image area is charged than when such an area of the image bearing member as is going to be an image area is charged.

摘要翻译： 图像形成装置包括图像承载部件，用于在图像承载部件上形成静电图像的潜像形成装置，所述潜像形成装置具有可与图像承载部件接触以对图像承载部件充电的充电部件， 充电构件被提供有包括振荡部件的电压，用于将具有调色剂的静电潜像显影成调色剂图像的显影装置，所述显影装置能够从图像承载部件去除残留调色剂，转印装置 从图像承载部件到转印材料的调色剂图像，以及用于控制振荡分量的频率的频率控制装置，使得当图像承载部件的至少一部分将成为时，频率更高 与图像承载部件的这样的区域相比，非图像区域将被充电 区域充电。