DEVELOPING DEVICE, DEVELOPER THEREFOR, AND IMAGE FORMING METHOD AND APPARATUS, AND PROCESS CARTRIDGE USING THE DEVELOPING DEVICE
    37.
    发明申请
    DEVELOPING DEVICE, DEVELOPER THEREFOR, AND IMAGE FORMING METHOD AND APPARATUS, AND PROCESS CARTRIDGE USING THE DEVELOPING DEVICE 有权
    开发设备,其开发者和图像形成方法和设备,以及使用开发设备的处理盒

    公开(公告)号:US20080304875A1

    公开(公告)日:2008-12-11

    申请号:US12042730

    申请日:2008-03-05

    IPC分类号: G03G15/08

    摘要: A developing device including a developer bearing member configured to feed a developer to an image bearing member; a developer supplying member, which is contacted with the developer bearing member at a first nip while opposed thereto and which is configured to supply the developer to the developer bearing member; and a developer layer forming member, which is contacted with the developer bearing member at a second nip located on the downstream side from the first nip relative to the rotation direction of the developer bearing member to form the layer of the developer on the developer bearing member, wherein the developer is a nonmagnetic one component developer, and the distance between the front edge of the second nip and the rear edge of the first nip relative to the rotation direction of the image bearing member is greater than 0.8 mm and less than 2.0 mm.

    摘要翻译: 一种显影装置,包括构造成将显影剂供给到图像承载部件的显影剂承载部件; 显影剂供应构件,其在与其相对的第一压区处与显影剂承载构件接触并且构造成将显影剂供应到显影剂承载构件; 以及显影剂层形成构件,其在与所述显影剂承载构件的旋转方向相对于所述第一辊隙的下游侧的第二辊隙处与所述显影剂承载构件接触,以在所述显影剂承载构件上形成所述显影剂层 其中显影剂是非磁性单组分显影剂,并且第二辊隙的前边缘和第一辊隙的后边缘之间的距离相对于图像承载部件的旋转方向的距离大于0.8mm且小于2.0mm 。

    IMAGE DEVELOPER USING ONE-COMPONENT DEVELOPER
    38.
    发明申请
    IMAGE DEVELOPER USING ONE-COMPONENT DEVELOPER 有权
    使用单组分开发商的图像开发者

    公开(公告)号:US20080226356A1

    公开(公告)日:2008-09-18

    申请号:US12048865

    申请日:2008-03-14

    IPC分类号: G03G15/08

    CPC分类号: G03G15/0818 G03G2215/0617

    摘要: An image developer using a one-component developer, Including a developing roller visualizing an electrostatic latent image formed on an image bearer with a pulverized toner; and a feed roller feeding the pulverized toner to the developing roller while contacting thereto, wherein the pulverized toner includes a parent toner; a wax; and an external additive comprising an additive having a number-average particle diameter of from 20 to 60 nm and adhering to the surface of the parent toner at an adherence strength of from 50 to 70%, and wherein the following relationships (1) to (3) are satisfied: 4.70

    摘要翻译: 使用单组分显影剂的图像显影剂包括利用粉碎的调色剂使形成在图像载体上的静电潜像可视化的显影辊; 以及将粉碎的调色剂供给到显影辊同时接触的进料辊,其中所述粉碎的调色剂包括母体调色剂; 蜡 以及外加剂,其包含数均粒径为20〜60nm的添加剂,并以50〜70%的粘附强度附着在母体调色剂的表面,并且其中以下关系式(1)〜( 3)满足:<?in-line-formula description =“In-line formula”end =“lead”?> 4.70 <5.70(1)<?in-line- formula description =“In-line Formulas”end =“tail”?> <?in-line-formula description =“In-line Formulas”end =“lead”?> 8.00 <?in-line-formula description =“In-line Formulas”end =“lead”?> 10.25 *对数10 R + 37.5 Z <-6.25 * LOG 10 R + 45.6(3)<αin-line- 公式描述=“在线公式”end =“tail”?>其中R表示显影辊的电阻率,Z表示粉碎调色剂的阻抗。