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Title:
画像形成装置及びプロセスカートリッジ
Document Type and Number:
Japanese Patent JP4458700
Kind Code:
B2
Abstract:
An image forming apparatus and a process cartridge have a wide optimum range of the toner charging amount and produce an excellent gradient and have an image bearing body and a developer carrying body. The electrostatic capacity of the image bearing body per cm2 is not less than 150 pF and not greater than 600 pF.

Inventors:
Yasuyuki Ishii
Shinji Uehara
Tetsuya Kobayashi
Tsuyoshi Nakagawa
Application Number:
JP2001065040A
Publication Date:
April 28, 2010
Filing Date:
March 08, 2001
Export Citation:
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Assignee:
Canon Inc
International Classes:
G03G15/08; G03G5/047; G03G5/147; G03G9/08; G03G13/00; G03G21/00
Domestic Patent References:
JP7281577A
JP8254840A
JP2000056544A
JP2000010404A
JP8076588A
Attorney, Agent or Firm:
Kazunobu Sera
Yoshiyuki Kawaguchi
Mayuko Wakuda



 
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