Contact charger for charging a photosensitive member

Details Contact charger for charging a photosensitive member Contact charger for charging a photosensitive member

1996-09-09

1998-03-17

Lee, S.

Electrophotography

Image formation

Charging

361225, G03G 1502

Patent

active

057298025

ABSTRACT:
An image forming apparatus includes an image bearing device, a charger contactable to the image bearing device for effecting contact charging of the image bearing device, the charger being supplied with a voltage having a DC component and an AC component, and the charger being provided with an electrode for receiving the voltage; wherein the following is satisfied: when an electric field formed between the image bearing device and the electrode is not more than .vertline.E/d.sub.SD .vertline. (V/m), a resistance of the charger per unit area of contact between the image bearing device and the charger is larger than

REFERENCES:
patent: 5485248 (1996-01-01), Yano et al.
patent: 5499080 (1996-03-01), Furuya et al.
patent: 5655188 (1997-08-01), Nagamori et al.

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