Image forming apparatus with charging member supplied with first

Details Image forming apparatus with charging member supplied with first Image forming apparatus with charging member supplied with first

1995-07-19

1997-10-14

Grimley, Arthur T.

Electrophotography

Internal machine environment

Particle or contaminant control

399168, 399176, G03G 1500, G03G 1502

Patent

active

056781369

ABSTRACT:
An image forming apparatus includes an image bearing member; a charging member for charging the image bearing member at a charging position, the charging member being contactable to the image bearing member; wherein the charging member is adapted to be supplied with a first DC voltage of a predetermined polarity for forming an image on the image bearing member and contains ion conduction material, and wherein the charging member is adapted to be supplied with a second voltage of a polarity opposite from the predetermined polarity when such an area of the image bearing member as is going to a non-image area of the image bearing member is at the charging position.

REFERENCES:
patent: 4360262 (1982-11-01), Genthe
patent: 5331383 (1994-07-01), Nou et al.
patent: 5371578 (1994-12-01), Asano et al.
patent: 5443873 (1995-08-01), Itani et al.

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