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US 2002/0172525 A1Published application
Charger and image forming apparatus using the same
AssigneeRicoh Company, Ltd.
InventorKenji Sugiura
Life of this patent
Estimating the term…
Abstract
A charger of the present invention includes a charging member contacting or adjoining an image carrier for charging the image carrier. A conductive facing member faces a portion of the charging member other than a portion of the same that faces the image carrier. Discharge occurs between the charging member and the facing member to thereby remove impurities deposited on the charging member. An image forming apparatus including the charger is also disclosed.
Claims40
A charger comprising:
- a charging member contacting or adjoining an image carrier for charging said image carrier;
- and
- a conductive facing member facing a portion of said charging member other than a portion of said charging member that faces the image carrier;
- wherein discharge occurs between said charging member and said facing member to thereby remove impurities deposited on said charging member.
1 more element
An image forming apparatus comprising:
- an image carrier on which a latent image is to be electrostatically formed;
- and
- a charger for charging said image carrier;
- said charger comprising:
- a charging member contacting or adjoining said image carrier for charging said image carrier;
- and
- a conductive facing member facing a portion of said charging member other than a portion of said charging member that faces said image carrier;
- wherein discharge occurs between said charging member and said facing member to thereby remove impurities deposited on said charging member.
5 more elements
A method of charging an image carrier, comprising the steps of:
- causing a charging member to contact or adjoin the image carrier;
- causing a facing member to face a portion of said charging member other than a portion of said charging member that faces the image carrier;
- and
- causing discharge to occur between said charging member and said facing member for thereby removing impurities deposited on said charging member.
1 more element
Dependencies are inferred from the claim text.