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    • 1. 发明申请
    • Image forming apparatus and image forming method
    • 图像形成装置及图像形成方法
    • US20080069618A1
    • 2008-03-20
    • US11899019
    • 2007-09-04
    • Masahito IshinoNorio TomiieKatsuya OtaChikara IshiharaYuki Matsui
    • Masahito IshinoNorio TomiieKatsuya OtaChikara IshiharaYuki Matsui
    • G03G21/12
    • G03G21/0005G03G5/08214G03G5/10G03G9/09708G03G15/0806G03G2215/0602
    • The invention provides an image forming apparatus that, even when a dynamic friction coefficient of a latent image carrier has a value more than a predetermined value, can prevent a toner in the cleaning device from excessively charging and an air gap from occurring while efficiently recovering a residual toner while efficiently recovering a residual toner, and thereby can effectively prevent the black spots due to the leakage current from the cleaning device from occurring; and an image forming method therewith. There are provided an image forming apparatus that includes a cleaning device provided with a rotation member for cleaning a surface of a latent image carrier with a titanium oxide contained in a toner and an image forming method therewith, wherein a dynamic friction coefficient of the latent image carrier is set to a value in the range of 0.3 to 0.7 and a specific resistance of the titanium oxide is set to a value in the range of 1×100 to 1×102 Ω·cm.
    • 本发明提供了一种图像形成装置,即使当潜像载体的动态摩擦系数具有超过预定值的值时,也能够防止清洁装置中的调色剂过度充电,同时有效地回收气隙 残留调色剂,同时有效地回收残留调色剂,从而可以有效地防止由于来自清洁装置的泄漏电流而产生的黑斑; 及其图像形成方法。 提供了一种图像形成装置,其包括:清洁装置,其具有用于利用调色剂中包含的氧化钛清洁潜像载体的表面的旋转构件及其图像形成方法,其中潜像的动摩擦系数 载流子的值设定在0.3〜0.7的范围内,氧化钛的电阻率设定为1×10-6〜1×10-2的范围内的值。 。厘米。
    • 2. 发明授权
    • Cleaning device and method for an electrophotographic photoconductor
    • 电子照相感光体的清洁装置和方法
    • US07773933B2
    • 2010-08-10
    • US11810635
    • 2007-06-06
    • Masahito IshinoNorio TomiieKatsuya OtaYuki MatsuiChikara Ishihara
    • Masahito IshinoNorio TomiieKatsuya OtaYuki MatsuiChikara Ishihara
    • G03G21/00
    • G03G21/0011G03G9/09708G03G9/09725
    • The present invention provides an image forming apparatus and an image forming method capable of preventing excessive charging in the toner within the cleaning device for effectively preventing generation of the black spots derived from the leak current. In the image forming apparatus comprising a cleaning device having a cleaning blade for scraping out the toner on a latent image carrier body surface and the image forming method using the same, the toner contains a titanium oxide as an additive agent, and with the premise that the fluorescence X ray intensity of the titanium oxide added to the toner before use is X1, and the fluorescence X ray intensity of the titanium oxide added to the toner within the cleaning device is X2, X1 and X2 satisfy the following relationship formula (1): X2/X1≧1.2  (1).
    • 本发明提供一种图像形成装置和图像形成方法,其能够防止清洁装置内的调色剂中的过度充电,以有效地防止由漏电流产生的黑斑。 在包括具有用于刮除潜像载体主体表面上的调色剂的清洁刮板的清洁装置的图像形成装置和使用该清洁装置的图像形成方法中,调色剂含有氧化钛作为添加剂,并且以 添加到使用前的调色剂中的氧化钛的荧光X射线强度为X1,添加到清洁装置内的调色剂中的氧化钛的荧光X射线强度为X2,X1和X2满足下列关系式(1) :X2 /X1≥1.2(1)。
    • 3. 发明申请
    • Image forming method and image forming apparatus
    • 图像形成方法和图像形成装置
    • US20070292177A1
    • 2007-12-20
    • US11810635
    • 2007-06-06
    • Masahito IshinoNorio TomiieKatsuya OtaYuki MatsuiChikara Ishihara
    • Masahito IshinoNorio TomiieKatsuya OtaYuki MatsuiChikara Ishihara
    • G03G21/00
    • G03G21/0011G03G9/09708G03G9/09725
    • The present invention provides an image forming apparatus and an image forming method capable of preventing excessive charging in the toner within the cleaning device for effectively preventing generation of the black spots derived from the leak current. In the image forming apparatus comprising a cleaning device having a cleaning blade for scraping out the toner on a latent image carrier body surface and the image forming method using the same, the toner contains a titanium oxide as an additive agent, and with the premise that the fluorescence X ray intensity of the titanium oxide added to the toner before use is X1, and the fluorescence X ray intensity of the titanium oxide added to the toner within the cleaning device is X2, X1 and X2 satisfy the following relationship formula (1): X2/X1≧1.2   (1)
    • 本发明提供一种图像形成装置和图像形成方法,其能够防止清洁装置内的调色剂中的过度充电,以有效地防止由漏电流产生的黑斑。 在包括具有用于刮除潜像载体主体表面上的调色剂的清洁刮板的清洁装置的图像形成装置和使用该清洁装置的图像形成方法中,调色剂含有氧化钛作为添加剂,并且以 添加到使用前的调色剂中的氧化钛的荧光X射线强度为X1,添加到清洁装置内的调色剂中的氧化钛的荧光X射线强度为X2,X1和X2满足下列关系式(1) :<?in-line-formula description =“In-line Formulas”end =“lead”?> X2 / X1> = 1.2(1)<?in-line-formula description =“In-line Formulas”end = 尾巴“?>
    • 4. 发明申请
    • Image forming apparatus and image forming method
    • 图像形成装置及图像形成方法
    • US20080056786A1
    • 2008-03-06
    • US11895949
    • 2007-08-28
    • Masahito IshinoChikara IshiharaYuki MatsuiKatsuya OtaNorio Tomiie
    • Masahito IshinoChikara IshiharaYuki MatsuiKatsuya OtaNorio Tomiie
    • G03G21/00
    • G03G21/0011G03G21/0058
    • The invention provides an image forming apparatus that, even when a downward transfer method is adopted, can prevent a toner in a cleaning device from excessively charging and an air gap from occurring, and thereby can effectively suppress occurrence of black spots due to a leakage current from the cleaning device, and an image forming method therewith. Provided are an image forming apparatus includes a latent image carrier for transferring a toner carried on a surface thereof from downward to a transfer body; and a cleaning device provided with a rotation member for cleaning the surface of the latent image carrier, a resistance of an elastic layer formed on an outer periphery part of the rotation member being set to a value in the range of 1×102 to 1×107Ω, and an image forming method.
    • 本发明提供了一种图像形成装置,即使采用向下传送方式,也可以防止清洁装置中的调色剂过度充电,并且产生气隙,从而可以有效地抑制由于泄漏电流引起的黑点的发生 从该清洁装置及其图像形成方法。 提供一种图像形成装置,包括:潜像载体,用于将其表面上承载的调色剂从下方传送到转印体; 以及设置有用于清洁潜像载体的表面的旋转构件的清洁装置,形成在旋转构件的外周部上的弹性层的电阻被设定为1×10 2范围内的值, / SUP>至1×10 7Ω,以及图像形成方法。
    • 10. 发明授权
    • Image forming apparatus with toner collecting roller
    • 具有调色剂收集辊的图像形成装置
    • US07773921B2
    • 2010-08-10
    • US12019744
    • 2008-01-25
    • Masashi FujishimaKiyotaka KobayashiYuki MatsuiYukihiro MoriSayo UemuraAkihiro Watanabe
    • Masashi FujishimaKiyotaka KobayashiYuki MatsuiYukihiro MoriSayo UemuraAkihiro Watanabe
    • G03G15/09
    • G03G15/0815G03G2215/0607
    • An image forming apparatus includes a latent image carrying member, a two-component developer carrying member holding on an outer surface a developer containing carrier beads and toner particles, the two-component developer carrying member having a first magnetic element mounted therein, a toner carrying member carrying a thin toner layer on an outer surface, a toner collecting roller for collecting the toner particles scattered and suspended in the vicinity of the two-component developer carrying member and the toner carrying member, the toner collecting roller having a second magnetic element mounted therein, and a housing accommodating the two-component developer carrying member, the toner carrying member and the toner collecting roller. The toner collecting roller is located face to face with the two-component developer carrying member with the first and second magnetic elements disposed to face each other with oppositely directed polarities.
    • 图像形成装置包括潜像承载构件,保持在外表面上的包含载体珠和调色剂颗粒的显影剂的双组分显影剂承载构件,所述双组分显影剂承载构件具有安装在其中的第一磁性元件,载体 在外表面上承载薄调色剂层的构件,用于收集散布并悬浮在双组分显影剂承载构件附近的调色剂颗粒的调色剂收集辊和调色剂承载构件,调色剂收集辊具有安装的第二磁性元件 和容纳双组分显影剂承载构件的壳体,调色剂承载构件和调色剂收集辊。 调色剂收集辊与双组分显影剂承载构件面对面地定位,其中第一和第二磁性元件被设置为具有相反方向的极性彼此面对。