Image forming apparatus and method
    2.
    发明授权
    Image forming apparatus and method 有权
    图像形成装置及方法

    公开(公告)号:US07177585B2

    公开(公告)日:2007-02-13

    申请号:US10682964

    申请日:2003-10-14

    IPC分类号: G03G15/00

    摘要: An image forming apparatus registers both sides of sheets with great precision in a sheet transportation direction in both-side image formation. The image forming apparatus includes: photoconductive drums holding toner images; an intermediate transfer belt temporarily holding the toner images; a secondary transfer roll that transfers the toner images to a sheet in a transfer unit; a registration roll rotating toward the transfer unit being in sheet feeding timing; a fixing unit fixing the toner images transferred to a first side of the sheet; reversion transportation paths reversing the sheet and again transporting the sheet to the transfer unit; a first sensor detecting the image of the first side of the sheet; and a second sensor that detects the toner images held in the intermediate transfer belt.

    摘要翻译: 图像形成装置在双面图像形成中以片材输送方向非常精确地对纸张的两面进行记录。 图像形成装置包括:保持调色剂图像的感光鼓; 临时保持调色剂图像的中间转印带; 二次转印辊,其将调色剂图像转印到转印单元中的纸张; 朝向转印单元转动的定位辊处于供纸定时; 固定单元,其固定传送到所述片材的第一侧的调色剂图像; 反转输送路径反转纸张并再次将纸张传送到转印单元; 检测片材的第一面的图像的第一传感器; 以及第二传感器,其检测保持在中间转印带中的调色剂图像。

    Double-faced image formation system
    4.
    发明授权
    Double-faced image formation system 失效
    双面成像系统

    公开(公告)号:US06904262B2

    公开(公告)日:2005-06-07

    申请号:US10689524

    申请日:2003-10-21

    CPC分类号: G03G15/231 G03G2215/2093

    摘要: The invention provides a double-faced image formation system that prevents transfer and adhesion of a lubricant to an image retaining conveyer and an intermediate transfer part. The system is provided with, on a return path for reversing and conveying a sheet having toner images fixed on one side thereof, a front face electrifying unit and a rear face electrifying unit. Oil adhered on the rear face of the sheet in a fixation unit by the rear face electrifying unit is electrified to a negative polarity, and the oil adhered on the rear face is made impossible to transfer to an intermediate transfer belt. The oil adhered on the front face of the sheet in the fixation unit by the front face electrifying unit is electrified to a positive polarity, and the oil adhered on the front face is made impossible to transfer to a secondary transfer conveyance belt.

    摘要翻译: 本发明提供一种双面成像系统,其防止润滑剂向图像保持输送机和中间转印部分的转印和粘附。 该系统设置在用于反转和输送具有固定在其一侧上的调色剂图像的片材的返回路径上,前表面带电单元和后表面带电单元。 通过背面带电单元在固定单元中附着在片材的后表面上的油被带电为负极性,并且不能将附着在后表面上的油转移到中间转印带。 通过前面带电单元粘附在定影单元中的片材的前表面上的油被带电为正极,并且不能将附着在正面上的油转移到二次转印传送带。

    Primary transfer device and image forming apparatus having the same
    6.
    发明授权
    Primary transfer device and image forming apparatus having the same 有权
    一次转印装置及其成像装置

    公开(公告)号:US08045869B2

    公开(公告)日:2011-10-25

    申请号:US12558027

    申请日:2009-09-11

    IPC分类号: G03G15/16

    CPC分类号: G03G15/1625 G03G15/1685

    摘要: A primary transfer device includes a primary transfer roll that is capable of being engaged with and disengaged from an intermediate transfer member to which a developer image is primarily transferred; and a setting-changing unit that changes a setting of pressure of the primary transfer roll to the intermediate transfer member in accordance with kind of a recording medium to which the developer image is secondarily transferred, wherein the setting-changing unit has an irregular medium transfer mode for a case where the recording medium to which the developer image is a recording medium having irregularities formed on a surface thereof, and an ordinary transfer mode for a case where the recording medium is a recording medium other than the recording medium having the irregularities, wherein a pressure set in the irregular medium transfer mode is smaller than that set in the ordinary transfer mode.

    摘要翻译: 一次转印装置包括能够与显影剂图像主要转印到的中间转印部件接合和脱离的一次转印辊; 以及设置改变单元,其根据显影剂图像被二次传送的记录介质的种类,将一次转印辊的压力设置改变到中间转印部件,其中,设置改变单元具有不规则的介质转印 模式,其中显影剂图像是其表面上形成有凹凸的记录介质的记录介质和用于记录介质是除了具有不规则性的记录介质之外的记录介质的情况的普通传送模式, 其中在所述不规则介质传送模式中设定的压力小于在所述普通传送模式中设定的压力。

    PRIMARY TRANSFER DEVICE AND IMAGE FORMING APPARATUS HAVING THE SAME
    7.
    发明申请
    PRIMARY TRANSFER DEVICE AND IMAGE FORMING APPARATUS HAVING THE SAME 有权
    一次传送装置和具有该传送装置的图像形成装置

    公开(公告)号:US20100150588A1

    公开(公告)日:2010-06-17

    申请号:US12558027

    申请日:2009-09-11

    IPC分类号: G03G15/16

    CPC分类号: G03G15/1625 G03G15/1685

    摘要: A primary transfer device includes a primary transfer roll that is capable of being engaged with and disengaged from an intermediate transfer member to which a developer image is primarily transferred; and a setting-changing unit that changes a setting of pressure of the primary transfer roll to the intermediate transfer member in accordance with kind of a recording medium to which the developer image is secondarily transferred, wherein the setting-changing unit has an irregular medium transfer mode for a case where the recording medium to which the developer image is a recording medium having irregularities formed on a surface thereof, and an ordinary transfer mode for a case where the recording medium is a recording medium other than the recording medium having the irregularities, wherein a pressure set in the irregular medium transfer mode is smaller than that set in the ordinary transfer mode.

    摘要翻译: 一次转印装置包括能够与显影剂图像主要转印到的中间转印部件接合和脱离的一次转印辊; 以及设置改变单元,其根据显影剂图像被二次传送的记录介质的种类,将一次转印辊的压力设置改变到中间转印部件,其中,设置改变单元具有不规则的介质转印 模式,其中显影剂图像是其表面上形成有凹凸的记录介质的记录介质和用于记录介质是除了具有不规则性的记录介质之外的记录介质的情况的普通传送模式, 其中在所述不规则介质传送模式中设定的压力小于在所述普通传送模式中设定的压力。

    Image forming apparatus using intermediate transfer medium
    10.
    发明授权
    Image forming apparatus using intermediate transfer medium 有权
    使用中间转印介质的成像装置

    公开(公告)号:US06430379B1

    公开(公告)日:2002-08-06

    申请号:US09651725

    申请日:2000-08-30

    IPC分类号: G03G1500

    摘要: An intermediate transfer type image forming apparatus is provided, in which a secondary transfer unit includes a secondary transfer member having a contact transfer member disposed in contact with at least the surface of an intermediate transfer medium, a bias applying unit for applying a transfer bias to transfer a toner image on the intermediate transfer medium through the secondary transfer member to a transfer medium and an inverse transfer bias having the opposite polarity to the transfer bias, and a bias switching unit for switching the applied bias of the bias applying unit so that the transfer bias is applied to an image transfer area on the intermediate transfer medium and the inverse transfer bias is applied to an image non-transfer area on the intermediate transfer medium. The apparatus is also equipped with a disturbing member for disturbing (scraping out, sweeping off or the like) toner adhering to the contact transfer member.

    摘要翻译: 提供了一种中间转印型图像形成装置,其中二次转印单元包括具有至少与中间转印介质的表面接触的接触转印部件的二次转印部件,用于施加转印偏压的偏压施加单元 将中间转印介质上的调色剂图像通过二次转印部件转印到转印介质和具有与转印偏压相反的极性的反转印偏压;以及偏压切换单元,用于切换偏压施加单元的施加偏压,使得 转印偏压被施加到中间转印介质上的图像转印区域,并且逆转印偏压被施加到中间转印介质上的图像非转印区域。 该装置还配备有用于扰乱(刮除,清除等)调色剂附着在接触转印构件上的扰动构件。