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公开(公告)号：US20130177329A1
公开(公告)日：2013-07-11
申请号：US13739482
申请日：2013-01-11
CPC分类号： G03G15/1695 , G03G15/0189 , G03G15/161 , G03G15/168 , G03G21/0094
摘要： An image forming apparatus includes an image carrier that carries an electrostatic latent image; a developing unit that develops the electrostatic latent image using a toner; an intermediate transfer body onto which toner image is transferred; a secondary transfer member that comes in contact with a surface of the intermediate transfer body; a power supply that outputs a voltage for transferring the toner image on the intermediate transfer body onto a recording member; and a protective agent supply unit that applies a protective agent including zinc stearate and boron nitride onto a surface of the image carrier. The voltage is alternatively switched in a transfer direction and an opposite direction. The voltage in the transfer direction enables transfer of the toner image from the intermediate transfer body to the recording member, and the voltage in the opposite direction has polarity opposite to polarity of the voltage in the transfer direction.
摘要翻译： 图像形成装置包括承载静电潜像的图像载体; 显影单元，其使用调色剂显影静电潜像; 传送调色剂图像的中间转印体; 与中间转印体的表面接触的二次转印部件; 输出用于将中间转印体上的调色剂图像转印到记录部件上的电压的电源; 以及保护剂供给单元，其将包含硬脂酸锌和氮化硼的保护剂施加到图像载体的表面上。 电压交替地沿传送方向和相反方向切换。 传送方向上的电压使得能够将调色剂图像从中间转印体传送到记录部件，并且相反方向的电压具有与传送方向上的电压极性相反的极性。
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公开(公告)号：US20130089363A1
公开(公告)日：2013-04-11
申请号：US13646898
申请日：2012-10-08
申请人： Ryuuichi Mimbu , Shinya Tanaka , Hirokazu Ishii , Yasunobu Shimizu , Keigo Nakamura , Hiromi Ogiyama , Kenji Sengoku
发明人： Ryuuichi Mimbu , Shinya Tanaka , Hirokazu Ishii , Yasunobu Shimizu , Keigo Nakamura , Hiromi Ogiyama , Kenji Sengoku
IPC分类号： G03G15/16
CPC分类号： G03G15/168
摘要： A transfer device comprises a freely rotatable transferring member contacting an image bearing member to form a transfer nip therebetween; a transfer bias applying member to apply a first bias created by superimposing an alternating current component on a direct current component to the transferring member to transfer a toner image borne on the image bearing member to a recording medium in the transfer nip; and an applicator to apply a protective agent to a surface of the transferring member.
摘要翻译： 传送装置包括可自由旋转的传送构件，其与图像承载构件接触以在它们之间形成传送辊隙; 转印偏压施加构件，用于将通过将交流分量叠加在直流分量上产生的第一偏压施加到转印构件，以将承载在图像承载构件上的调色剂图像转印到转印辊隙中的记录介质; 以及施加器以将保护剂施加到所述转印构件的表面。
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公开(公告)号：US09195179B2
公开(公告)日：2015-11-24
申请号：US13747629
申请日：2013-01-23
CPC分类号： G03G15/1645 , G03G15/0189 , G03G15/1605 , G03G15/5029 , G03G2215/00751
摘要： A transfer device includes a transfer bias power source, a switching device, and a sheet dependent condition setting device. The transfer bias power source applies to a transfer member, based on sheet dependent conditions for a recording medium onto which a toner image is transferred, one of a DC transfer bias and a superimposed transfer bias including an alternating current (AC) component superimposed on a DC component. The switching device switches a transfer mode between a DC transfer mode in which the DC transfer bias is applied to the transfer device and a superimposed-bias transfer mode in which the superimposed transfer bias is applied to the transfer device. The sheet dependent condition setting device sets arbitrarily at least one of the sheet dependent conditions for the recording medium at the superimposed-bias transfer mode. The sheet dependent conditions include a DC component value and an AC component value.
摘要翻译： 转印装置包括转印偏压电源，开关装置和片材相关条件设定装置。 转印偏压电源基于转印有调色剂图像的记录介质的片材相关条件，转印偏压电源施加到转印偏压电源，其中DC转印偏压和包括交叠电流（AC）分量叠加在一起的叠加转印偏压 直流分量。 切换装置在其中向转印装置施加DC转印偏压的DC转印模式和向转印装置施加叠加的转印偏压的叠加偏压转印模式之间切换转印模式。 片材相关条件设定装置以叠加偏置传送模式任意设定记录介质的片材相关条件中的至少一个。 片材相关条件包括DC分量值和AC分量值。
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公开(公告)号：US20130136468A1
公开(公告)日：2013-05-30
申请号：US13666474
申请日：2012-11-01
CPC分类号： G03G15/0189 , G03G15/1605 , G03G15/1675
摘要： An image forming apparatus includes an image bearing member to bear a toner image on a surface thereof, a transfer device to transfer the toner image onto a recording medium, and a transfer bias power source to apply to the transfer device a superimposed transfer bias in which an alternating current (AC) component is superimposed on a direct current (DC) component in a superimposed transfer mode to transfer the toner image. The superimposed transfer bias has a waveform in which a first polarity in a direction of transferring the toner image onto the recording medium and a second polarity opposite the first polarity switch alternately. The superimposed transfer bias is output such that a standard value of each of the DC component and the AC component is multiplied by a respective correction ratio, and the correction ratio of the DC component is different from that of the AC component.
摘要翻译： 图像形成装置包括在其表面上承载调色剂图像的图像承载部件，将调色剂图像转印到记录介质上的转印装置和转印偏压电源，以向转印装置施加叠加的转印偏压，其中 交流（AC）分量以重叠传送模式叠加在直流（DC）分量上以转印调色剂图像。 叠加的转印偏压具有波形，其中在将调色剂图像转印到记录介质上的方向上的第一极性和与第一极性开关相反的第二极性交替。 输出叠加的转印偏压，使得每个DC分量和AC分量的标准值乘以相应的校正比，并且DC分量的校正比不同于AC分量的校正比。
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公开(公告)号：US08892013B2
公开(公告)日：2014-11-18
申请号：US13646898
申请日：2012-10-08
申请人： Ryuuichi Mimbu , Shinya Tanaka , Hirokazu Ishii , Yasunobu Shimizu , Keigo Nakamura , Hiromi Ogiyama , Kenji Sengoku
发明人： Ryuuichi Mimbu , Shinya Tanaka , Hirokazu Ishii , Yasunobu Shimizu , Keigo Nakamura , Hiromi Ogiyama , Kenji Sengoku
摘要： A transfer device comprises a freely rotatable transferring member contacting an image bearing member to form a transfer nip therebetween; a transfer bias applying member to apply a first bias created by superimposing an alternating current component on a direct current component to the transferring member to transfer a toner image borne on the image bearing member to a recording medium in the transfer nip; and an applicator to apply a protective agent to a surface of the transferring member.
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公开(公告)号：US20130236201A1
公开(公告)日：2013-09-12
申请号：US13785621
申请日：2013-03-05
CPC分类号： G03G15/1675 , G03G15/1605 , G03G15/556 , G03G15/6591
摘要： An image forming apparatus includes a toner forced consumption control unit that performs toner forced consumption control in which toner in a developing unit is forcibly consumed when a certain condition to perform the toner forced consumption control is met. The certain condition to perform the toner forced consumption control includes a specific performance condition that a transfer bias switching condition to switch a transfer bias to a superimposed transfer bias in which an alternating current component is superimposed on a direct current component, from a direct current transfer bias is met. When the specific performance condition is met, the toner forced consumption control unit performs preliminary toner forced consumption control in which the toner forced consumption control is performed before an image forming operation using the superimposed transfer bias is started.
摘要翻译： 图像形成装置包括调色剂强制消耗控制单元，其执行调色剂强制消耗控制，其中当执行调色剂强制消耗控制的特定条件时，显影单元中的调色剂被强制消耗。 执行调色剂强制消耗控制的特定条件包括：特定的性能条件，即转印偏压切换条件，其将转印偏压切换到其中交流分量叠加在直流分量上的叠加转印偏压，从直流转印 偏见得到满足。 当满足特定性能条件时，调色剂强制消耗控制单元在开始使用叠加的转印偏压的图像形成操作之前执行调色剂强制消耗控制的初步调色剂强制消耗控制。
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公开(公告)号：US20130064559A1
公开(公告)日：2013-03-14
申请号：US13602840
申请日：2012-09-04
CPC分类号： G03G15/6535 , G03G15/1675 , G03G15/6532 , G03G2215/00772 , G03G2215/00776
摘要： An image forming apparatus includes a transfer device to transfer a toner image formed on an image bearing member onto a recording medium, a sheet separation device to separate the recording medium from the image bearing member, a sheet separation bias application device to apply to the sheet separation device a sheet separation bias in which an alternating current (AC) component is superimposed on a direct current (DC) component, and a transfer bias application device to selectively apply to the transfer device one of a DC transfer bias having a DC component and a superimposed transfer bias in which an AC component is superimposed on a DC component. Upon application of the superimposed transfer bias to the transfer device, the sheet separation bias applied to the sheet separation device is changed from the sheet separation bias applied upon application of the DC transfer bias to the transfer device.
摘要翻译： 图像形成装置包括：转印装置，用于将形成在图像承载部件上的调色剂图像转印到记录介质上;片材分离装置，用于将记录介质与图像承载部件分离;片材分离偏置施加装置， 分离装置，其中交流（AC）分量叠加在直流（DC）分量上的薄片分离偏压，以及转印偏压施加装置，用于选择性地向转印装置施加具有DC分量的DC转印偏压和 其中AC分量叠加在DC分量上的叠加转印偏压。 当向转印装置施加叠加的转印偏压时，施加到纸张分离装置的纸张分离偏压从施加到转印装置上的纸张分离偏压改变。
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公开(公告)号：US09488937B2
公开(公告)日：2016-11-08
申请号：US13739482
申请日：2013-01-11
CPC分类号： G03G15/1695 , G03G15/0189 , G03G15/161 , G03G15/168 , G03G21/0094
摘要： An image forming apparatus includes an image carrier that carries an electrostatic latent image; a developing unit that develops the electrostatic latent image using a toner; an intermediate transfer body onto which toner image is transferred; a secondary transfer member that comes in contact with a surface of the intermediate transfer body; a power supply that outputs a voltage for transferring the toner image on the intermediate transfer body onto a recording member; and a protective agent supply unit that applies a protective agent including zinc stearate and boron nitride onto a surface of the image carrier. The voltage is alternatively switched in a transfer direction and an opposite direction. The voltage in the transfer direction enables transfer of the toner image from the intermediate transfer body to the recording member, and the voltage in the opposite direction has polarity opposite to polarity of the voltage in the transfer direction.
摘要翻译： 图像形成装置包括承载静电潜像的图像载体; 显影单元，其使用调色剂显影静电潜像; 传送调色剂图像的中间转印体; 与中间转印体的表面接触的二次转印部件; 输出用于将中间转印体上的调色剂图像转印到记录部件上的电压的电源; 以及保护剂供给单元，其将包含硬脂酸锌和氮化硼的保护剂施加到图像载体的表面上。 电压交替地沿传送方向和相反方向切换。 传送方向上的电压使得能够将调色剂图像从中间转印体传送到记录部件，并且相反方向的电压具有与传送方向上的电压极性相反的极性。
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公开(公告)号：US09291934B2
公开(公告)日：2016-03-22
申请号：US13666474
申请日：2012-11-01
CPC分类号： G03G15/0189 , G03G15/1605 , G03G15/1675
摘要： An image forming apparatus includes an image bearing member to bear a toner image on a surface thereof, a transfer device to transfer the toner image onto a recording medium, and a transfer bias power source to apply to the transfer device a superimposed transfer bias in which an alternating current (AC) component is superimposed on a direct current (DC) component in a superimposed transfer mode to transfer the toner image. The superimposed transfer bias has a waveform in which a first polarity in a direction of transferring the toner image onto the recording medium and a second polarity opposite the first polarity switch alternately. The superimposed transfer bias is output such that a standard value of each of the DC component and the AC component is multiplied by a respective correction ratio, and the correction ratio of the DC component is different from that of the AC component.
摘要翻译： 图像形成装置包括在其表面上承载调色剂图像的图像承载部件，将调色剂图像转印到记录介质上的转印装置和转印偏压电源，以向转印装置施加叠加的转印偏压，其中 交流（AC）分量以重叠传送模式叠加在直流（DC）分量上以转印调色剂图像。 叠加的转印偏压具有波形，其中在将调色剂图像转印到记录介质上的方向上的第一极性和与第一极性开关相反的第二极性交替。 输出叠加的转印偏压，使得每个DC分量和AC分量的标准值乘以相应的校正比，并且DC分量的校正比不同于AC分量的校正比。
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公开(公告)号：US09285722B2
公开(公告)日：2016-03-15
申请号：US13893594
申请日：2013-05-14
IPC分类号： G03G15/16
CPC分类号： G03G15/1665 , G03G15/1675
摘要： An image forming apparatus includes a transfer bias output device and an information receiving device. The transfer bias output device outputs a transfer bias including a superimposed bias composed of an AC bias superimposed on a DC bias to form a transfer electric field in a transfer nip between an image bearing member bearing a toner image and a nip forming member, to transfer the toner image onto a recording medium in the transfer nip. A controller operatively connected to the information receiving device and the transfer bias output device causes the transfer bias output device to change a target output of a peak-to-peak voltage of the AC bias based on information received by the information receiving device that affects transfer of the toner image and to reduce a target output of the DC bias as the target output value of the peak-to-peak voltage of the AC bias increases.
摘要翻译： 图像形成装置包括转印偏压输出装置和信息接收装置。 转印偏压输出装置输出包括由叠加在DC偏压上的AC偏压组成的叠加偏压的转印偏压，以在承载调色剂图像的图像承载部件和辊隙形成部件之间的转印辊隙中形成转印电场，以转印 调色剂图像转印到转印辊隙中的记录介质上。 可操作地连接到信息接收装置和转移偏置输出装置的控制器使得转移偏置输出装置基于影响转移的信息接收装置接收的信息来改变AC偏压的峰峰值电压的目标输出 并且当AC偏压的峰 - 峰电压的目标输出值增加时，减小DC偏压的目标输出。
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