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    • 9. 发明授权
    • Image-forming method
    • 成像方法
    • US6101358A
    • 2000-08-08
    • US418826
    • 1999-10-15
    • Takashi ImaiAkihiro IizukaYoshifumi IidaHiroshi NakazawaMasanori Ichimura
    • Takashi ImaiAkihiro IizukaYoshifumi IidaHiroshi NakazawaMasanori Ichimura
    • G03G15/09G03G9/08G03G9/10G03G9/107G03G13/09G03G15/08
    • G03G9/107G03G13/09G03G9/08G03G9/10
    • Provided is an image-forming method including a step of forming a layer of a developer on a surface of a developer support member disposed facing a latent image support member, a developing step of developing an electrostatic latent image on the latent image support member using the layer of the developer formed to obtain a toner image, a transferring step of transferring the toner image onto a transfer material and a fixing step of fixing the transferred toner image, wherein the developer support member has therein a development magnetic pole in which a magnetic force of a main pole is 100 mT or more, said developer having a toner and a carrier which has a volume average particle diameter of 50 .mu.m or less, and image formation method is conducted at a process speed of 200 mm/sec or more.In the image-forming method of the invention, high-quality images free from blurring in a half-tone portion adjacent to a solid image can be formed in a high-speed image-forming process using the two-component developer of a small particle diameter without migration of the carrier into the latent image.
    • 提供了一种图像形成方法,包括在面向潜像支撑部件设置的显影剂支撑部件的表面上形成显影剂层的步骤,使用该显影步骤使潜像支撑部件上的静电潜像显影 形成以获得调色剂图像的显影剂层,将调色剂图像转印到转印材料上的转印步骤和固定转印的调色剂图像的定影步骤,其中显影剂支撑构件中具有显影磁极,其中磁力 所述显影剂具有体积平均粒径为50μm以下的调色剂和载体,以200mm / sec以上的处理速度进行图像形成方法。 在本发明的图像形成方法中,可以在使用小粒子的双组分显影剂的高速图像形成处理中形成没有与实心图像相邻的半色调部分中的模糊的高质量图像 直径,而不会使载体迁移到潜像中。