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公开(公告)号：US20230080995A1
公开(公告)日：2023-03-16
申请号：US17986078
申请日：2022-11-14
摘要： An image forming apparatus includes a charging unit that charges an image bearing member, a developing unit that forms a toner image on an latent image formed on the image bearing member, a transfer unit that transfers the toner image onto a transfer material, a charge neutralizer that neutralizes a charge of the image bearing member downstream of a transfer portion and upstream of a charging portion in a rotating direction of the image bearing member, a conductive collecting unit that collects a material adhering on the image bearing member downstream of the transfer portion and upstream of the charging portion, wherein the developing unit collects residual toner on the image bearing member, an voltage application unit sets a potential difference between the voltage applied to the collecting unit and the surface electric potential of the image bearing member not more than a discharge threshold.
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公开(公告)号：US20220269206A1
公开(公告)日：2022-08-25
申请号：US17673643
申请日：2022-02-16
摘要： An image forming apparatus includes an image bearing member, a charging member, a development member, a transfer member, a charging voltage application unit, a development voltage application unit, and a control unit. The development member collects toner that remains on a surface of the image bearing member after a toner image is transferred from the image bearing member surface to transfer material. The control unit controls application of a development voltage to apply, to the development member in a cleaning operation, a development voltage having a polarity that is opposite to a normal polarity, and controls application of a charging voltage to apply, to the charging member, a charging voltage having the normal polarity such that a potential difference formed at a charging portion between the applied charging voltage and a surface potential formed at the image bearing member surface is lower than or equal to a discharge start voltage.
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公开(公告)号：US20180149993A1
公开(公告)日：2018-05-31
申请号：US15816818
申请日：2017-11-17
IPC分类号： G03G15/02
CPC分类号： G03G15/0266 , G03G15/0208 , G03G15/0283 , G03G21/0064
摘要： In a case where a collection mode in which a exposure unit forms a first potential on a photosensitive member and a developing unit collects discharging toner discharged from the developing unit to a position where the first potential is formed is executed, a potential forming unit forms, on an intermediate transfer member, a potential same as a normal charging polarity of toner and an absolute value greater than an absolute value of the first potential, and a charging power supply applies, to a charging member, a voltage having a polarity same as the normal charging polarity and an absolute value greater than an absolute value of the first potential.
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公开(公告)号：US20180032001A1
公开(公告)日：2018-02-01
申请号：US15663425
申请日：2017-07-28
发明人： Tsuguhiro Yoshida , Masaru Shimura , Shinji Katagiri , Eiichi Hamana , Takahiro Ikeda , Takayuki Tanaka , Shuichi Tetsuno
IPC分类号： G03G15/01
CPC分类号： G03G15/161 , G03G15/0131 , G03G15/1615 , G03G15/162 , G03G15/2053 , G03G15/5054 , G03G2215/0106 , G03G2215/0132 , G03G2215/1623 , G03G2215/1695
摘要： An intermediate transfer belt includes a base layer that has ionic conductivity and is a thickest layer out of multiple layers making up the intermediate transfer belt with respect to the thickness direction of the intermediate transfer belt, and an inner layer having electronic conductivity and a lower electrical resistance than the base layer.
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公开(公告)号：US09395655B2
公开(公告)日：2016-07-19
申请号：US14962054
申请日：2015-12-08
发明人： Shuichi Tetsuno , Shinji Katagiri , Masaru Ohno
IPC分类号： G03G15/16
CPC分类号： G03G15/6558
摘要： An image forming apparatus includes a resistor in a sheet shape configured to ground a sensor member electrically; a first contact member configured to form a current path between the resistor and the sensor member; and a second contact member configured to form a current path between the resistor and an electrical ground portion. A first contact portion and a second contact portion are arranged so as not to overlap in a thickness direction of the resistor.
摘要翻译： 图像形成装置包括：电阻器，其被构造成电传感器构件接地; 第一接触构件，其构造成在所述电阻器和所述传感器构件之间形成电流路径; 以及第二接触构件，其构造成在所述电阻器和电接地部分之间形成电流路径。 第一接触部分和第二接触部分被布置成不在电阻器的厚度方向上重叠。
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公开(公告)号：US20150286164A1
公开(公告)日：2015-10-08
申请号：US14674093
申请日：2015-03-31
发明人： Shinji Katagiri , Shuichi Tetsuno , Masaru Ohno , Satoshi Takami
IPC分类号： G03G15/16
CPC分类号： G03G15/16 , G03G15/1645 , G03G15/1675 , G03G15/80
摘要： In an image forming apparatus, a current supply member comes into contact with a belt at a position different from a position of the transfer section in a rotational direction of the belt, and a control unit performs constant current control on the current flowing through the current supply member by setting a predetermined value to a target current value, and can change a first state in which a part of the current supplied to the current supply member flows to a ground side via a constant voltage element, and a second state in which the current supplied to the current supply member does not flow to the ground side via the constant voltage element, by maintaining the constant current control by the predetermined value.
摘要翻译： 在图像形成装置中，电流供给部件在带的旋转方向上与传送部的位置不同的位置处与皮带接触，并且控制单元对流过电流的电流进行恒定电流控制 通过将预定值设定为目标电流值，并且可以改变提供给电流供应部件的电流的一部分经由恒压元件流到接地侧的第一状态和第二状态，其中， 通过将恒定电流控制保持预定值，经由恒压元件供给电流供给部件的电流不会流到接地侧。
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27.发明授权Image forming apparatus controlling charging voltage based on image density information 有权基于图像浓度信息控制充电电压的图像形成装置公开(公告)号：US09128405B2
公开(公告)日：2015-09-08
申请号：US14100452
申请日：2013-12-09
CPC分类号： G03G15/0266 , G03G15/04
摘要： An image forming apparatus includes a plurality of image forming stations and a control portion configured to control an image forming operation. Each of the image forming stations includes an image bearing member configured to form a toner image on a surface thereof and a charging device configured to charge the image bearing member. The toner images formed on the image bearing members of the image forming stations are sequentially transferred to a transfer incurring member to be superimposed. The control portion sets a voltage applied to the charging device in forming an image in an image forming station which performs the transfer later based on image density information of the toner image transferred to the transfer incurring member by an image forming station which performs the transfer earlier in a sequence of the image forming operations.
摘要翻译： 图像形成装置包括多个图像形成站和被配置为控制图像形成操作的控制部。 每个图像形成站包括构造成在其表面上形成调色剂图像的图像承载部件和被配置为对图像承载部件充电的充电装置。 形成在图像形成站的图像承载部件上的调色剂图像被顺序地传送到传送部件以重叠。 控制部分在基于执行转印的图像形成站中形成图像的基础上设置施加到充电装置的电压，基于通过更早进行转印的图像形成站传送到传送引导部件的调色剂图像的图像浓度信息 在图像形成操作的顺序中。
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公开(公告)号：US20150168877A1
公开(公告)日：2015-06-18
申请号：US14566472
申请日：2014-12-10
发明人： Shuichi Tetsuno , Shinji Katagiri , Masaru Ohno
IPC分类号： G03G15/16
CPC分类号： G03G15/1605 , G03G2215/1614
摘要： Wheels configured to be supported by a metallic roller on an outside of end portions of a contact area and inside of end portions of the transfer belt in terms of a width direction are provided, and the wheels are formed of a non-conductive resin.
摘要翻译： 设置在宽度方向上由接触区域的端部和转印带的端部的内侧的金属辊支撑的轮子，并且车轮由非导电树脂形成。
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29.发明申请公开(公告)号：US20140112692A1
公开(公告)日：2014-04-24
申请号：US14144742
申请日：2013-12-31
发明人： Masahito Omata , Shoji Umehara , Shuichi Tetsuno , Akeshi Asaka , Masayuki Onuma , Yusuke Baba , Kazuo Kishino
IPC分类号： G03G15/20
CPC分类号： G03G15/2089 , G03G15/2053 , G03G15/206 , G03G2215/2035 , G03G2215/2048
摘要： A rotatable fixing member includes an elastic layer, a primer layer provided on the elastic layer, and a parting layer provided on the primer layer. The primer layer contains a crystalline fluorocarbon polymer having a functional group and has a thickness of 850 nm or less. The parting layer is a coating layer of a crystalline fluorocarbon polymer.
摘要翻译： 可旋转的固定构件包括弹性层，设置在弹性层上的底漆层和设置在底漆层上的分离层。 底漆层含有具有官能团的结晶氟碳聚合物，其厚度为850nm以下。 分层是结晶碳氟聚合物的涂层。
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公开(公告)号：US20140050499A1
公开(公告)日：2014-02-20
申请号：US13967809
申请日：2013-08-15
CPC分类号： G03G15/161 , G03G21/0041 , G03G2215/1661 , G03G2221/1621 , G03G2221/1624 , G03G2221/1627
摘要： An image forming apparatus, which executes, after an image forming operation is stopped, a cleaning operation in which toner that remains on an intermediate transfer belt is transferred to a photosensitive drum and is removed by a cleaning blade while the image forming apparatus causes the intermediate transfer belt to move for circulation, causes a charging roller or a laser scanner to change the surface potential of the photosensitive drum such that the toner to be transferred from the intermediate transfer belt to the photosensitive drum is part of the toner that is to remain on the intermediate transfer belt, when the cleaning operation is executed.
摘要翻译： 一种图像形成装置，其在停止图像形成操作之后执行清洁操作，其中保留在中间转印带上的调色剂被转印到感光鼓上并且通过清洁刮刀移除，同时图像形成装置使中间体 转印带移动以循环，导致充电辊或激光扫描仪改变感光鼓的表面电位，使得要从中间转印带转印到感光鼓的调色剂是待保持的调色剂的一部分 中间转印带，当执行清洁操作时。
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