IMAGE FORMING APPARATUS
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United States of America Patent
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Issued Date -
Jul 18, 2024
app pub date -
Mar 21, 2024
filing date -
Oct 7, 2021
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Abstract
An image forming apparatus includes a photosensitive drum, first and second charging members, a development member, and first and second charging voltage applying units. The photosensitive drum includes a surface layer constituting a surface of the photosensitive drum. The second charging voltage applying unit applies a second charging voltage to the second charging member. The surface layer of the photosensitive drum has a volume resistivity of 1.0×109 ohm centimeters (Ω·cm) or more and 1.0×1014 Ω·cm or less. The second charging voltage applying unit applies the second charging voltage such that a second potential difference formed between the second charging member and the surface of the photosensitive drum charged by the first charging member is equal to or higher than a discharge starting voltage.
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