Powder feeding device having negative pressure generation control and powder discharge control and image forming apparatus
    22.
    发明授权
    Powder feeding device having negative pressure generation control and powder discharge control and image forming apparatus 有权
    具有负压发生控制和粉末喷射控制的粉末进料装置和成像装置

    公开(公告)号:US08837992B2

    公开(公告)日:2014-09-16

    申请号:US13137598

    申请日:2011-08-29

    IPC分类号: G03G15/08

    摘要: A powder feeding device includes a powder container, a feeding tank in communication with the powder container, a negative pressure room in communication with the feeding tank via a suction port communicating tube; an air suction device in communication with the negative pressure room via a negative pressure room communication tube; a suction port opening and closing unit that opens and closes the suction port communicating tube; a negative pressure room opening and closing unit that opens and closes of the negative pressure room communication tube; an output port opening and closing unit that opens and closes an output port of the feeding tank; and a controller that performs negative pressure generation control, powder supply control, and powder discharge control. Further, the controller simultaneously starts the negative pressure generation control and the powder discharge control.

    摘要翻译: 粉末供给装置包括粉末容器,与粉末容器连通的供给罐,经由吸入口连通管与供给罐连通的负压室; 空气抽吸装置,经由负压室连通管与负压室连通; 吸入口打开和关闭单元,其打开和关闭所述吸入口连通管; 负压室开闭单元,负压室连通管的开闭; 输出口打开和关闭单元,其打开和关闭所述进料罐的输出口; 以及执行负压产生控制,粉末供给控制和粉末排放控制的控制器。 此外,控制器同时开始负压产生控制和粉末排放控制。

    Multi-color printer and method therefor
    24.
    发明授权
    Multi-color printer and method therefor 有权
    多色打印机及其方法

    公开(公告)号:US06853829B2

    公开(公告)日:2005-02-08

    申请号:US10318414

    申请日:2002-12-13

    IPC分类号: G03G15/01

    摘要: A multi-color printer (and a method therefor) includes a drum-shaped photosensitive body for black toner, a belt-shaped toner carrier for non-black color toner, a first transferring unit for transferring a color-toner image formed on the belt-shaped toner carrier to a medium, a second transferring unit for transferring a black toner image formed on the drum-shaped photosensitive body, the drum-shaped photosensitive body being disposed near the belt-shaped toner carrier, and a fusing unit for fusing to the medium the black toner image and the color toner image transferred to the paper.

    摘要翻译: 多色打印机(及其方法)包括用于黑色调色剂的鼓形感光体,用于非黑色调色剂的带状调色剂载体,用于转印形成在带上的彩色调色剂图像的第一转印单元 形状的调色剂载体到介质,第二转印单元,用于转印形成在鼓形感光体上的黑色调色剂图像,所述滚筒感光体设置在带状调色剂载体附近;以及定影单元, 介质将黑色调色剂图像和彩色调色剂图像转印到纸张上。

    Image forming electrophotography apparatus and magnetic developing unit
    25.
    发明授权
    Image forming electrophotography apparatus and magnetic developing unit 有权
    图像形成电子照相设备和磁性显影单元

    公开(公告)号:US06487384B2

    公开(公告)日:2002-11-26

    申请号:US09826943

    申请日:2001-04-06

    IPC分类号: G03G1509

    摘要: In an image forming apparatus for charging a photosensitive body, changing the light exposure amount in at least three levels at exposure to light, thereby forming an electrostatic image made up of a high-potential part, a low-potential part, and an intermediate-potential part therebetween on the photosensitive body, and normally developing and inversely developing the electrostatic image using toners different in charge polarity for forming two types of toner images on the photosensitive body, a first developer used with a first toner image developing unit has electric resistance changed within 10% in the change range of applied voltage to the developer as the difference between a surface potential of the photosensitive body and a developing bias voltage.

    摘要翻译: 在用于对感光体充电的图像形成装置中,在曝光时将曝光量改变为至少三个等级,从而形成由高电位部分,低电位部分和中间电极部分构成的静电图像, 在感光体上的潜在部分,并且使用不同于电荷极性的调色剂正常显影和反相显影静电图像,以在感光体上形成两种类型的调色剂图像,与第一调色剂图像显影单元一起使用的第一显影剂具有电阻改变 在作为感光体的表面电位与显影偏压之间的差异的显影剂的施加电压的变化范围内的10%以内。

    Image forming apparatus
    26.
    发明授权
    Image forming apparatus 失效
    图像形成装置

    公开(公告)号:US06330405B1

    公开(公告)日:2001-12-11

    申请号:US09732742

    申请日:2000-12-11

    IPC分类号: G03G1500

    CPC分类号: G03G15/065 G03G2215/0648

    摘要: In an image forming apparatus, the developing unit includes two developing rollers whose rotational directions are different from each other, and a bias potential of the developing roller (first developing roller) located upstream in the rotational direction of the photosensitive member is selected to be a potential, which is in value between a bias potential of the developing roller (second developing roller) located downstream in the same direction and a background potential.

    摘要翻译: 在图像形成装置中,显影单元包括旋转方向彼此不同的两个显影辊,并且位于感光构件的旋转方向上游的显影辊(第一显影辊)的偏置电位被选择为 电位在位于相同方向下游的显影辊(第二显影辊)的偏置电位和背景电位之间是有价值的。

    Toner bottle driving device control method and image forming apparatus
    27.
    发明授权
    Toner bottle driving device control method and image forming apparatus 有权
    调色剂瓶驱动装置控制方法和成像装置

    公开(公告)号:US09360816B1

    公开(公告)日:2016-06-07

    申请号:US14969358

    申请日:2015-12-15

    IPC分类号: G03G15/08 G03G15/00

    摘要: A toner bottle driving device control method includes driving one of multiple toner bottle driving devices connected to a single toner container at a time, detecting abnormality of a toner bottle driving device being driven, determining a first abnormality phase of the toner bottle driving device being driven when a number of times the abnormality is detected exceeds a threshold, inhibiting the toner bottle driving device being in the first abnormality phase from driving until the first abnormality phase is resolved, driving a drivable toner bottle driving device containing a non-empty toner bottle when the toner bottle contained in the toner bottle driving device being driven is determined as empty, determining that the multiple toner bottle driving devices are in a second abnormality phase when each of the multiple toner bottle driving devices is determined as being in the first abnormality phase, and inhibiting image formation.

    摘要翻译: 调色剂瓶驱动装置控制方法包括一次驱动连接到单个调色剂容器的多个调色剂瓶驱动装置中的一个,检测被驱动的调色剂瓶驱动装置的异常,确定被驱动的调色剂瓶驱动装置的第一异常相位 当检测到异常的次数超过阈值时,禁止处于第一异常阶段的调色剂瓶驱动装置驱动直到第一异常阶段解除,驱动包含非空调色剂瓶的可驱动调色剂瓶驱动装置,当 将被驱动的调色剂瓶驱动装置中所含的调色剂瓶确定为空,确定当多个调色剂瓶驱动装置中的每一个被确定为处于第一异常阶段时,多个调色剂瓶驱动装置处于第二异常阶段, 并抑制图像形成。

    Powder feeding device having negative pressure generation control and power discharge control and image forming apparatus
    29.
    发明授权
    Powder feeding device having negative pressure generation control and power discharge control and image forming apparatus 有权
    具有负压发生控制和放电控制的图像形成装置的粉末供给装置

    公开(公告)号:US09031474B2

    公开(公告)日:2015-05-12

    申请号:US14450832

    申请日:2014-08-04

    IPC分类号: G03G15/08

    摘要: A powder feeding device includes a powder container, a feeding tank in communication with the powder container, a negative pressure room in communication with the feeding tank via a suction port communicating tube; an air suction device in communication with the negative pressure room via a negative pressure room communication tube; a suction port opening and closing unit that opens and closes the suction port communicating tube; a negative pressure room opening and closing unit that opens and closes of the negative pressure room communication tube; an output port opening and closing unit that opens and closes an output port of the feeding tank; and a controller that performs negative pressure generation control, powder supply control, and powder discharge control. Further, the controller simultaneously starts the negative pressure generation control and the powder discharge control.

    摘要翻译: 粉末供给装置包括粉末容器,与粉末容器连通的供给罐,经由吸入口连通管与供给罐连通的负压室; 空气抽吸装置,经由负压室连通管与负压室连通; 吸入口打开和关闭单元,其打开和关闭所述吸入口连通管; 负压室开闭单元,负压室连通管的开闭; 输出口打开和关闭单元,其打开和关闭所述进料罐的输出口; 以及执行负压产生控制,粉末供给控制和粉末排放控制的控制器。 此外,控制器同时开始负压产生控制和粉末排放控制。

    Developing apparatus and electrostatic record apparatus
    30.
    发明授权
    Developing apparatus and electrostatic record apparatus 有权
    显影装置和静电记录装置

    公开(公告)号:US06879800B2

    公开(公告)日:2005-04-12

    申请号:US10321671

    申请日:2002-12-18

    IPC分类号: G03G9/10 G03G15/08 G03G15/09

    CPC分类号: G03G15/0921

    摘要: A position where a transport amount regulation member is opposed to a developing roller is in an area wherein the magnetic flux density in the tangent line direction becomes 95% or less of the maximum value upstream in the developer transport direction from the position at which the magnetic flux density in the normal direction formed by two magnetic poles on both sides of the transport amount regulation member on the sleeve roller surface of the developing roller becomes 0 gausses and is in an area wherein the magnetic flux density in the normal direction becomes 90% or less of the maximum value of the upstream pole in the developer transport direction.

    摘要翻译: 输送量调节部件与显影辊相对的位置处于切线方向的磁通密度为显影剂输送方向上游的最大值的95%以下的区域, 在显影辊的套筒辊表面上的输送量调节构件的两侧由两个磁极形成的法线方向的磁通密度变为0高斯,并且在正常方向上的磁通密度变为90%的区域 较小的显影剂输送方向上游极的最大值。