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    Image forming apparatus
    1.
    发明公开
    Image forming apparatus 审中-公开
    成像设备

    公开(公告)号：EP2804050A3

    公开(公告)日：2018-01-24

    申请号：EP14167343.4

    申请日：2014-05-07

    申请人： Ricoh Company, Ltd.

    发明人： Urayama, Taichi ,  Yoshida, Ryuji ,  Takahashi, Tomoko ,  Hoshi, Shotaro ,  Sugiyama, Hiroyuki ,  Mase, Ryusuke ,  Shakuto, Masahiko ,  Ozeki, Takamasa ,  Zemba, Hideki ,  Nakagawa, Yoshinori

    IPC分类号： G03G15/00 ,  G03G15/08 ,  G03G15/06

    CPC分类号： G03G15/0849 ,  G03G15/065 ,  G03G15/5054 ,  G03G15/5058 ,  G03G2215/0607

    摘要： An image forming apparatus (100) includes a latent image carrier (2) to carry a latent image, a developing device (5) to develop the latent image with toner to form a toner image on the latent image carrier (2), a transfer unit (6) to transfer the toner image onto a recording medium, and a controller (30). The controller (30) executes an image density adjustment control of adjusting a developing bias to obtain a target image density, and further executes a forced toner consumption control of forcibly consuming the toner contained in the developing device (5) by attaching the toner to the latent image carrier (2) to form a toner pattern on the surface of the latent image carrier (2). The controller (30) executes the forced toner consumption control to forcibly consume a smaller amount of toner in response to a higher developing bias as adjusted by the image density adjustment control.

    摘要翻译： 一种图像形成设备（100）包括：承载潜像的潜像载体（2），用调色剂显影潜像以在潜像承载体（2）上形成调色剂图像的显影装置（5） 单元（6），将调色剂图像转印到记录介质上;以及控制器（30）。 控制器（30）执行调节显影偏压以获得目标图像浓度的图像浓度调节控制，并且还执行强制调色剂消耗控制，强制调色剂消耗控制通过将调色剂附着到显影装置（5）中而强制消耗包含在显影装置 潜像载体（2）以在潜像载体（2）的表面上形成调色剂图案。 响应于通过图像浓度调整控制调整的较高的显影偏压，控制器（30）执行强制调色剂消耗控制以强制消耗较少量的调色剂。

    Development apparatus having donor member with alternated electrodes of opposite polarisation.
    2.
    发明公开
    Development apparatus having donor member with alternated electrodes of opposite polarisation. 有权
    Entwicklungsvorrichtung mit Donorelemet mit abwechselnden ElektrodengegensätzlicherPolarität

    公开(公告)号：EP1775642A1

    公开(公告)日：2007-04-18

    申请号：EP06021341.0

    申请日：2006-10-11

    申请人： Ricoh Company, Ltd.

    发明人： Tsukamoto, Takeo ,  Kondoh, Nobuaki ,  Masanori, Horike ,  Takahashi, Tomoko ,  Masaaki, Yamada ,  Kosugi, Hideki ,  Kadota, Ichiro ,  Nakagawa, Yoshinori ,  Ishii, Yasuyuki

    IPC分类号： G03G15/08

    CPC分类号： G03G15/0818 ,  G03G2215/0621

    摘要： An apparatus for developing a latent image on a latent image carrier (7,8) includes a toner carrier (1,3) and multiple electrodes (21,22,23,24) arranged at intervals (P) on a surface of the toner carrier. A potential difference is formed between even-numbered electrodes (22,24,...) and odd-numbered electrodes (21,23,...) of the electrodes by applying a first pulse voltage to the even-numbered electrodes and a second pulse voltage to the odd-numbered electrodes so that toner on the surface of the toner carrier moves back and forth between the electrodes, where the first and second pulse voltages are in different phases, in particular of opposite phase, and the toner moving back and forth between the electrodes is conveyed to a position facing the latent image carrier by movement of the surface of the toner carrier and thereby caused to adhere to the latent image on the latent image carrier.

    摘要翻译： 用于在潜像载体（7,8）上显影潜像的装置包括调色剂载体（1,3）和在调色剂表面上以间隔（P）布置的多个电极（21,22,23,24） 载体。 通过向偶数电极施加第一脉冲电压，在偶数电极（22,24，...）和奇数电极（21,23 ...）之间形成电位差，并且 第二脉冲电压到奇数电极，使得调色剂载体表面上的调色剂在电极之间来回移动，其中第一和第二脉冲电压处于不同的相位，特别是相反相位，并且调色剂向后移动 通过调色剂载体的表面的移动，电极之间和之间的距离被传送到面向潜像载体的位置，从而附着在潜像载体上的潜像上。

    Image forming apparatus
    3.
    发明公开
    Image forming apparatus 审中-公开
    Bilderzeugungsvorrichtung

    公开(公告)号：EP2804050A2

    公开(公告)日：2014-11-19

    申请号：EP14167343.4

    申请日：2014-05-07

    申请人： Ricoh Company, Ltd.

    发明人： Urayama, Taichi ,  Yoshida, Ryuji ,  Takahashi, Tomoko ,  Hoshi, Shotaro ,  Sugiyama, Hiroyuki ,  Mase, Ryusuke ,  Shakuto, Masahiko ,  Ozeki, Takamasa ,  Zemba, Hideki ,  Nakagawa, Yoshinori

    IPC分类号： G03G15/00 ,  G03G15/06

    CPC分类号： G03G15/0849 ,  G03G15/065 ,  G03G15/5054 ,  G03G15/5058 ,  G03G2215/0607

    摘要： An image forming apparatus (100) includes a latent image carrier (2) to carry a latent image, a developing device (5) to develop the latent image with toner to form a toner image on the latent image carrier (2), a transfer unit (6) to transfer the toner image onto a recording medium, and a controller (30). The controller (30) executes an image density adjustment control of adjusting a developing bias to obtain a target image density, and further executes a forced toner consumption control of forcibly consuming the toner contained in the developing device (5) by attaching the toner to the latent image carrier (2) to form a toner pattern on the surface of the latent image carrier (2). The controller (30) executes the forced toner consumption control to forcibly consume a smaller amount of toner in response to a higher developing bias as adjusted by the image density adjustment control.

    摘要翻译： 图像形成装置（100）包括用于携带潜像的潜像载体（2），显影装置（5），用调色剂显影潜像以在潜像载体（2）上形成调色剂图像，转印 单元（6）将调色剂图像转印到记录介质上，以及控制器（30）。 控制器（30）执行调整显影偏压以获得目标图像浓度的图像浓度调节控制，并且还执行强制消耗包含在显影装置（5）中的调色剂的强制调色剂消耗控制， 潜像载体（2），以在潜像载体（2）的表面上形成调色剂图案。 控制器（30）执行强制调色剂消耗控制，以响应由图像浓度调节控制调节的较高显影偏压而强制消耗较少量的调色剂。