- 专利标题: Image forming apparatus
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申请号: US15159960申请日: 2016-05-20
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公开(公告)号: US09864322B2公开(公告)日: 2018-01-09
- 发明人: Mayumi Yoshihara , Koichi Kato
- 申请人: Mayumi Yoshihara , Koichi Kato
- 申请人地址: JP Tokyo
- 专利权人: Ricoh Company, Ltd.
- 当前专利权人: Ricoh Company, Ltd.
- 当前专利权人地址: JP Tokyo
- 代理机构: Oblon, McClelland, Maier & Neustadt, L.L.P.
- 优先权: JP2015-116862 20150609; JP2016-025773 20160215
- 主分类号: G03G21/08
- IPC分类号: G03G21/08 ; G03G15/04 ; G03G15/00 ; G03G5/06 ; G03G5/147
摘要:
An image forming apparatus includes an image bearer; a charging member to charge the surface of the image bearer; an irradiating member to irradiate the surface of the image bearer to form an electrostatic latent image on the surface of the image bearer; an developing member to develop the electrostatic latent image with a toner to form a visible toner image on the surface of the image bearer; and a transferring member to transfer the toner image onto a transfer material. The image bearer includes a charge generation layer including an asymmetrical disazo pigment and a metal-free phthalocyanine pigment, and a charge transport layer. The irradiating member forms the electrostatic latent image at an irradiation energy greater than a half decay exposure of the image bearer and not greater than 2.5 times of the half decay exposure. The image bearer is not discharged every image forming process.
公开/授权文献
- US20160363886A1 IMAGE FORMING APPARATUS 公开/授权日:2016-12-15