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    A single pass printer for large format printing
    4.
    发明公开
    A single pass printer for large format printing 失效
    在einem Durchgang arbeitender Druckerfürgrossformatigen Medien

    公开(公告)号：EP0849087A1

    公开(公告)日：1998-06-24

    申请号：EP97203822.8

    申请日：1997-12-05

    申请人： AGFA-GEVAERT N.V.

    发明人： Desie, Guido ,  Leonard, Jacques ,  Van den Wijngaert, Hilbrand ,  Joly, Ludo ,  Broddin, Dirk

    IPC分类号： B41J3/54 ,  B41J2/415 ,  B41J2/41 ,  B41J2/447

    CPC分类号： B41J2/4155 ,  B41J3/54 ,  G03G15/346 ,  G03G15/6594 ,  G03G2215/00468 ,  G03G2217/0025

    摘要： A single pass printer, having a printing width (PW) is provided for printing a toner image on a substrate, the substrate having a width (WS) and a length (LS), wherein,

    i) a number n, equal to or larger than 2, of printing engines, each containing a toner transferring element with a longitudinal axis (width (WPE)) smaller than the printing width (PW) are present, and at least two of the n printing engines, each containing a toner transferring element with a longitudinal axis in the direction of width (WPE), are located so that the longitudinal axis do not coincide.

    Preferably the printing engines are electro(stato)graphic engines, especially Direct Electrostatic Printing (DEP) engines or electrophotographic engines.

    摘要翻译： 提供具有打印宽度（PW）的单通打印机，用于在基板上印刷调色剂图像，所述基板具有宽度（WS）和长度（LS），其中i）数量n等于或大于 存在大于2的各自包含具有小于打印宽度（PW）的纵轴（宽度（WPE））的调色剂转印元件的打印引擎，并且n个打印引擎中的至少两个包含调色剂转印元件 具有沿宽度方向（WPE）的纵向轴线，使得纵向轴线不重合。 优选地，印刷引擎是电动（stato）图形引擎，特别是直接静电印刷（DEP）引擎或电子照相引擎。

    A device for direct electrostatic printing (DEP) comprising a toner delivery means comprising a magnetic brush with rotating magnetic core
    5.
    发明公开
    A device for direct electrostatic printing (DEP) comprising a toner delivery means comprising a magnetic brush with rotating magnetic core 失效
    一种用于直接静电印刷，其包括调色剂供应装置是指具有的磁刷与旋转磁辊

    公开(公告)号：EP0827046A1

    公开(公告)日：1998-03-04

    申请号：EP97202356.8

    申请日：1997-07-25

    申请人： AGFA-GEVAERT N.V.

    发明人： Desie, Guido ,  Broddin, Dirk

    IPC分类号： G03G15/34

    CPC分类号： G03G15/346 ,  G03G2217/0025

    摘要： A DEP device is provided that comprises a printhead structure (106) with control electrodes (106a) in combination with printing apertures (107) and a magnetic brush assembly (103) delivering a cloud of toner particles (104) in the vicinity of the printing apertures (107), wherein the toner particles are, together with magnetically attractable carrier particles part of a multi-component developer further and the magnetic brush comprises a magnetic core (103a) rotating at a speed equal to or higher than 500 rpm (rotations per minute) and a sleeve (103b) rotating at a speed equal to or lower than 10 rpm (rotations per minute).

    摘要翻译： 本发明提供一种DEP器件确实包括一个印刷头结构（106）与组合控制电极（106A）与打印孔径（107）和一个磁刷组件（103）的印刷的附近提供调色剂颗粒的云（104） 孔（107）worin调色剂颗粒，与多组分显影剂的磁性吸引的载体颗粒部分进一步和磁刷一起包括磁芯（103）在等于或高于500转的速度旋转（每转 分钟），并在等于或低于10的转速（每分钟转数）的速度旋转的套筒（103B）。

    Process control of an electrophotographic device
    6.
    发明公开
    Process control of an electrophotographic device 失效
    Proeesssteuerung in einem elektrografischenGerät

    公开(公告)号：EP0819991A1

    公开(公告)日：1998-01-21

    申请号：EP97201898.0

    申请日：1997-06-21

    申请人： AGFA-GEVAERT N.V.

    发明人： Slabbaert, Jean-Pierre ,  Jansens, Robert ,  Broddin, Dirk ,  Heirbaut, Werner

    IPC分类号： G03G15/00

    CPC分类号： G03G15/0848 ,  G03G15/5041 ,  G03G2215/00042

    摘要： A method is described to control the density of microdots produced by a binary or multilevel electrophotographic device. In one example, the toner concentration in a two-component developing system is modified as to keep the toner charge Q/M approximately constant. The toner charge is indirectly assessed. This allows to achieve consistent output densities, irrespective of the environmental parameters, such as relative humidity and temperature.

    摘要翻译： 描述了一种方法来控制由二元或多电子照相装置产生的微点的密度。 在一个实例中，修改双组分显影系统中的调色剂浓度以使调色剂电荷Q / M保持不变。 间接评估墨粉量。 这允许实现一致的输出密度，而不考虑环境参数，例如相对湿度和温度。