Image forming apparatus

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 8879929
SERIAL NO

13216284

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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An image forming apparatus includes a photosensitive member; a corona charger, provided with an opening, for electrically charging the photosensitive member; a sheet-like shielding member for shielding the opening of the corona charger; a moving device for moving the shielding member in a longitudinal direction of the photosensitive member; a potential sensor for detecting a potential of a portion of the photosensitive member chargeable by the corona charger; and a controller for detecting, on the basis of a result of detection of the potential of the portion of the photosensitive member by the potential sensor, whether or not a charging operation capable of electrically charging the photosensitive member by the corona charger is performed in a state in which the shielding member is located between the opening of the corona charger and the photosensitive member.

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Patent Owner(s)

  • CANON KABUSHIKI KAISHA

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ariizumi, Osamu Matsudo, JP 43 428

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