IMAGE FORMING APPARATUS

An image forming apparatus includes an image carrying member, a charging device, an exposure device, a developing device, a development voltage power supply, and a control section. The developing device includes a development container for containing a non-magnetic one-component developer composed o...

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Bibliographic Details
Main Authors OKAMOTO, Sueaki, TAMAKI, Tomohiro, ISHINO, Masahito, NAKAUE, Takahisa
Format Patent
LanguageEnglish
Published 25.01.2024
Subjects
CINEMATOGRAPHY
ELECTROGRAPHY
ELECTROPHOTOGRAPHY
HOLOGRAPHY
MAGNETOGRAPHY
PHOTOGRAPHY
PHYSICS
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Summary:An image forming apparatus includes an image carrying member, a charging device, an exposure device, a developing device, a development voltage power supply, and a control section. The developing device includes a development container for containing a non-magnetic one-component developer composed only of a toner, a developer carrying member having an outer circumferential surface on which a toner layer is formed, and a toner supply member that supplies the toner to the developer carrying member. The control section performs control so that, as a cumulative drive time of the developing device increases, a supply voltage Vsdc becomes larger than a reference supply voltage and a development voltage Vdc becomes smaller than a reference development voltage, thus executing control to vary the development voltage Vdc and the supply voltage Vsdc so as to increase a potential difference Vsdc−Vdc between the supply voltage Vsdc and the development voltage Vdc.
Bibliography:Application Number: US202318350630