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Patent Searching and Data


Title:
IMAGE FORMING DEVICE
Document Type and Number:
Japanese Patent JP3036939
Kind Code:
B2
Abstract:

PURPOSE: To reduce the influences of the defect, etc., of a photosensitive drum, and to form an image by setting the surface layer of a contact electrifying system electrifying member at a prescribed resistance value.
CONSTITUTION: The surface layer 5a of the contact electrifying system electrifying member 5 is formed in such a manner that a low-resistance conductive pigment and a high-resistance conductive pigment are mixed in binder resin. Thus, such phenomenum as that only a conductive pigment flocculates in the binder resin so that the resistance distribution of the surface layer is made uniform, and its resistance value becomes the prescribed one.


Inventors:
Fumihiro Arahira
Naoki Fuei
Tetsuya Kuribayashi
Application Number:
JP35035291A
Publication Date:
April 24, 2000
Filing Date:
December 09, 1991
Export Citation:
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Assignee:
Canon Inc
International Classes:
G03G15/02; (IPC1-7): G03G15/02
Domestic Patent References:
JP166675A
JP4264470A
Attorney, Agent or Firm:
Kazuo Chikajima