Image forming apparatus
An image forming apparatus, having: an image carrier configured by a positively charged single-layer electrophotographic photosensitive body; a charging device which is based on a contact charging method for charging a circumferential surface of the image carrier while making contact with the circumferential surface of the image carrier; a developing roller which is disposed so as to oppose the image carrier and carry and convey toner on the circumferential surface; and a voltage application unit which applies a developing bias to the developing roller, wherein the frequency of an AC component of the developing bias applied by the voltage application unit is 2.6 to 4.2 kHz.
Kyocera Mita Coporation
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G03G G03G G03G
additional inventional inventional
Shinki Masahito Yoshitaka Masaki Hiroka
Miyaji Ishino Imanaka Kadota Itani