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    • 4. 发明授权
    • Electrophotographic image forming apparatus
    • 电子照相成像设备
    • US08837982B2
    • 2014-09-16
    • US13230038
    • 2011-09-12
    • Kenji Matsuda
    • Kenji Matsuda
    • G03G21/16
    • G03G21/1671G03G21/1647G03G21/1676G03G2215/0132G03G2221/163G03G2221/1684
    • An image forming apparatus includes a drum cartridge supporting member supporting a plurality of drum cartridges having photosensitive drums. The drum cartridge supporting member is movable between first and second positions inside and outside a main assembly of the image forming apparatus. A guide portion guides a plurality of developing cartridges having developing rollers for developing electrostatic latent images formed on the corresponding photosensitive drums. The guide portion individually guides the developing cartridges to and from the main assembly. A moving mechanism moves the developing cartridges mounted in the main assembly between a developing position in which the electrostatic latent images are to be developed and a retracted position in which the developing cartridges are retracted from the developing position. When the developing cartridges are in the retracted position, the drum cartridge supporting member is permitted to move between the first and second positions.
    • 图像形成装置包括支撑多个具有感光鼓的鼓盒的鼓盒支撑部件。 鼓盒支撑构件可在图像形成装置的主组件内部和外部的第一和第二位置之间移动。 引导部分引导具有显影辊的多个显影盒,用于显影形成在相应的感光鼓上的静电潜像。 引导部分将显影盒单独引导到主组件和从主组件引导。 移动机构将安装在主组件中的显影盒移动到要显影静电潜像的显影位置和显影盒从显影位置缩回的缩回位置。 当显影盒处于缩回位置时,鼓盒支撑件被允许在第一和第二位置之间移动。