Image forming apparatus and charging method
Number of patents in Portfolio can not be more than 2000
United States of America
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Mar 15, 2022
Grant Date -
N/A
app pub date -
Dec 3, 2020
filing date -
Dec 3, 2020
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
According to one embodiment, an image forming apparatus includes a photoreceptor, a charging member, an application unit, and a control unit. An image is formed on the photoreceptor. The charging member is in contact with or close to a surface of the photoreceptor. The application unit applies a voltage to the charging member. The control unit performs control so that a current flowing through the charging member and the photoreceptor becomes a constant current when the photoreceptor is in an unused state, measures a voltage when the constant current flows and stores the measured voltage as a reference voltage, and controls the application unit to apply a voltage obtained by adding correction according to a value indicating a usage amount of the photoreceptor to the reference voltage.
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