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    • 3. 发明专利
    • Image forming apparatus
    • 图像形成装置
    • JP2010152009A
    • 2010-07-08
    • JP2008328733
    • 2008-12-24
    • Fuji Xerox Co Ltd富士ゼロックス株式会社
    • KAMIWAKI SATOSHIFURUKI MANABUUCHIDA MASAHIROIKEDA MASAFUMI
    • G03G15/08G03G15/06
    • PROBLEM TO BE SOLVED: To provide an image forming apparatus that reduces degraded toner in developer. SOLUTION: The image forming apparatus includes: an image holder; an independent member disposed parallel to the image holder in the direction of a surface on which a latent image is formed by a latent image forming section, the surface having a potential independent of the surface potential of the image holder; and a developing roll disposed adjacent to the image holder and independent member and having a potential different from those of the image holder and independent member, the developing roll having a developing section that conveys developer to a developing area facing the surface of the image carrier, except a predetermined end; a first non-developing section that conveys the developer to a first non-developing area facing the end; and a second non-developing section that conveys developer to a second developing area facing the independent member. COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供一种降低显影剂中的降色调色剂的图像形成装置。 图像形成装置包括:图像保持器; 在由潜像形成部形成潜像的表面的方向上平行于图像保持器设置的独立部件,该表面具有与图像保持器的表面电位无关的电位; 以及与图像保持器和独立构件相邻并且具有与图像保持器和独立构件的电位不同的电位的显影辊,显影辊具有将显影剂输送到面向图像载体的表面的显影区域的显影部分, 除了预定的一端; 将显影剂传送到面向端部的第一非显影区域的第一非显影部分; 以及将显影剂输送到面向独立构件的第二显影区域的第二非显影部分。 版权所有(C)2010,JPO&INPIT
    • 4. 发明专利
    • Image forming apparatus
    • 图像形成装置
    • JP2010151976A
    • 2010-07-08
    • JP2008328301
    • 2008-12-24
    • Fuji Xerox Co Ltd富士ゼロックス株式会社
    • IKEDA MASAFUMIFURUKI MANABUUCHIDA MASAHIROKAMIWAKI SATOSHI
    • G03G15/08G03G21/00
    • PROBLEM TO BE SOLVED: To provide an image forming apparatus, reducing deteriorated toner in a developer. SOLUTION: A charger is adapted to apply electric charges to the middle part and a first end on the surface of an image support including the first end, the central part and a second end. A developing device includes: a developing roll having a developing part for carrying the developer to a developing area facing the middle part, a first non-developing part for carrying the developer to a first non-developing area facing the first end part, and a second non-developing part for carrying the developer to a second non-developing area facing the second end part; a first storing part adjacent to the developing roll for carrying the stored developer in a first direction along the axis of rotation to supply the developer to the developing roll; and a second storing part provided adjacent to the first storing part to carry the developer in a second direction reverse to the first direction. COPYRIGHT: (C)2010,JPO&INPIT
    • 解决的问题:提供一种图像形成装置,减少显影剂中的劣化的调色剂。 解决方案:充电器适于对中间部分施加电荷,并且包括第一端,中心部分和第二端的图像支撑体的表面上的第一端。 显影装置包括:显影辊,具有用于将显影剂携带到面向中间部分的显影区域的显影部分,用于将显影剂携带到面向第一端部部分的第一非显影区域的第一非显影部分,以及 用于将显影剂携带到面向第二端部的第二非显影区域的第二非显影部分; 与显影辊相邻的第一存储部分,用于沿沿着旋转轴线的第一方向承载存储的显影剂,以将显影剂供应到显影辊; 以及第二存储部分,设置成与第一存储部分相邻,以沿与第一方向相反的第二方向承载显影剂。 版权所有(C)2010,JPO&INPIT
    • 5. 发明专利
    • Image forming method, image forming device, and developer cartridge
    • 图像形成方法,图像形成装置和开发者盒
    • JP2009098198A
    • 2009-05-07
    • JP2007266886
    • 2007-10-12
    • Fuji Xerox Co Ltd富士ゼロックス株式会社
    • YOSHINO SUSUMUNINOMIYA MASANOBUKAMIWAKI SATOSHI
    • G03G9/09G03G9/087G03G9/10G03G15/01
    • PROBLEM TO BE SOLVED: To provide an image forming method which keeps the developability and transferability of a deep color toner and a light color toner stable for a long period of time, and has high gradation reproduction performance in a highlighted area, and to provide an image forming device and a developer cartridge. SOLUTION: The image forming method uses a deep color toner, a light color toner which is cognate in color to the deep color toner, and a carrier. In this case, an equation (1) of Dtx/Dcx≥Dty/Dcy is satisfied, wherein Dtx represents the volume average particle size of the deep color toner, Dcx represents the volume average particle size of the carrier contained in a developer including the deep color toner, Dty represents the volume average particle size of the light color toner, and Dcy represents the volume average particle size of the carrier contained in the developer including the light color toner. Furthermore, an image forming device and a developer cartridge are provided. COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供一种使深色调色剂和浅色调色剂的显影性和可转印性长时间稳定并且在突出显示区域中具有高灰度再现性能的图像形成方法,以及 以提供图像形成装置和显影剂盒。 解决方案:图像形成方法使用深色调色剂,与深色调色剂相关的浅色调色剂和载体。 在这种情况下,满足Dtx /Dcx≥Dty/ Dcy的式(1),其中Dtx表示深色调色剂的体积平均粒径,Dcx表示包含在包含该色调剂的显影剂中的载体的体积平均粒径 深色调色剂,Dty表示浅色调色剂的体积平均粒度,Dcy表示包含在含有浅色调色剂的显影剂中的载体的体积平均粒度。 此外,提供了图像形成装置和显影剂盒。 版权所有(C)2009,JPO&INPIT