Title:
【発明の名称】画像形成装置
Document Type and Number:
Japanese Patent JP3110539
Kind Code:
B2
Abstract:
An image forming apparatus according to the present invention includes an image bearing member, a latent image forming device for forming an electrostatic latent image on the image bearing member, a developing device for developing the latent image into a toner image with toner charged to a polarity which is the same as the charging polarity of the latent image, and a transfer charger for electrostatically transferring the toner image from the image bearing member onto a transfer material. According to the present invention, the transfer charger is supplied with a voltage having the same polarity as that of a potential of the image bearing member contacted with an end of the transfer material when the end of the transfer material is at a transfer position. Moreover, in the case that a part other than a leading or trailing end of the transfer material is at the transfer position, the transfer charger is supplied with the voltage having an opposite polarity to the image bearing member.
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Inventors:
Toshio Watanabe
Application Number:
JP2927492A
Publication Date:
November 20, 2000
Filing Date:
February 17, 1992
Export Citation:
Assignee:
Canon Inc
International Classes:
G03G15/16; G03G15/14; (IPC1-7): G03G15/14; G03G15/16
Domestic Patent References:
| JP575069A |
Attorney, Agent or Firm:
Masayuki Kishida (2 outside)