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公开(公告)号：US08718503B2
公开(公告)日：2014-05-06
申请号：US12969092
申请日：2010-12-15
IPC分类号： G03G15/00
CPC分类号： G03G21/0094 , G03G15/5008 , G03G21/0011
摘要： An image forming apparatus includes a control unit that performs two types of stop operations in which an image bearing member is rotated or is not rotated after forming an image. The control unit selects the stop operation according to operation time of the image bearing member.
摘要翻译： 图像形成装置包括执行图像承载部件在形成图像之后旋转或不旋转的两种停止操作的控制单元。 控制单元根据图像承载构件的操作时间选择停止操作。
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公开(公告)号：US08626016B2
公开(公告)日：2014-01-07
申请号：US12969381
申请日：2010-12-15
IPC分类号： G03G15/06
CPC分类号： G03G15/0266 , G03G15/0121 , G03G15/0173 , G03G2215/0177
摘要： A charge bias causing the surface potential of a photosensitive drum to be lower than that in image formation is applied to a charge roller during a period in which the stop position of a rotary is moved from an unknown state to a home position to cause a developing bias to be applied to a developing roller to be smaller than that in the image formation.
摘要翻译： 在旋转体的停止位置从未知状态移动到原始位置的时间段期间，使感光鼓的表面电位低于图像形成的充电偏压被施加到充电辊，从而导致显影 施加到显影辊上的偏压要小于图像形成中的偏压。
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公开(公告)号：US20110150519A1
公开(公告)日：2011-06-23
申请号：US12969092
申请日：2010-12-15
IPC分类号： G03G15/00
CPC分类号： G03G21/0094 , G03G15/5008 , G03G21/0011
摘要： An image forming apparatus includes a control unit that performs two types of stop operations in which an image bearing member is rotated or is not rotated after forming an image. The control unit selects the stop operation according to operation time of the image bearing member.
摘要翻译： 图像形成装置包括执行图像承载部件在形成图像之后旋转或不旋转的两种停止操作的控制单元。 控制单元根据图像承载构件的操作时间选择停止操作。
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公开(公告)号：US08891986B2
公开(公告)日：2014-11-18
申请号：US13205508
申请日：2011-08-08
CPC分类号： G03G15/0157 , G03G15/0121 , G03G15/0147 , G03G15/0173 , G03G2215/0177
摘要： A mode in which a toner image formed on an intermediate transfer belt passes through a primary transfer portion without a toner image being transferred from a photosensitive drum onto the intermediate transfer belt is provided. In the mode, an area of the photosensitive drum that passes through the primary transfer portion while the toner image is passing through the primary transfer portion is defined as a first area. When the first area passes through a charging position, a charging bias is adjusted so that the occurrence of an image defect is prevented.
摘要翻译： 提供了形成在中间转印带上的调色剂图像通过一次转印部分而不使调色剂图像从感光鼓转印到中间转印带上的模式。 在该模式中，在调色剂图像通过一次转印部分时通过一次转印部分的感光鼓的区域被定义为第一区域。 当第一区域通过充电位置时，调整充电偏压，从而防止图像缺陷的发生。
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公开(公告)号：US20110150513A1
公开(公告)日：2011-06-23
申请号：US12969381
申请日：2010-12-15
IPC分类号： G03G15/06
CPC分类号： G03G15/0266 , G03G15/0121 , G03G15/0173 , G03G2215/0177
摘要： A charge bias causing the surface potential of a photosensitive drum to be lower than that in image formation is applied to a charge roller during a period in which the stop position of a rotary is moved from an unknown state to a home position to cause a developing bias to be applied to a developing roller to be smaller than that in the image formation.
摘要翻译： 在旋转体的停止位置从未知状态移动到原始位置的时间段期间，使感光鼓的表面电位低于图像形成的充电偏压被施加到充电辊，从而导致显影 施加到显影辊上的偏压要小于图像形成中的偏压。
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公开(公告)号：US20120045230A1
公开(公告)日：2012-02-23
申请号：US13205508
申请日：2011-08-08
CPC分类号： G03G15/0157 , G03G15/0121 , G03G15/0147 , G03G15/0173 , G03G2215/0177
摘要： A mode in which a toner image formed on an intermediate transfer belt passes through a primary transfer portion without a toner image being transferred from a photosensitive drum onto the intermediate transfer belt is provided. In the mode, an area of the photosensitive drum that passes through the primary transfer portion while the toner image is passing through the primary transfer portion is defined as a first area. When the first area passes through a charging position, a charging bias is adjusted so that the occurrence of an image defect is prevented.
摘要翻译： 提供了形成在中间转印带上的调色剂图像通过一次转印部分而不使调色剂图像从感光鼓转印到中间转印带上的模式。 在该模式中，在调色剂图像通过一次转印部分时通过一次转印部分的感光鼓的区域被定义为第一区域。 当第一区域通过充电位置时，调整充电偏压，从而防止图像缺陷的发生。
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公开(公告)号：US20110311254A1
公开(公告)日：2011-12-22
申请号：US13155981
申请日：2011-06-08
CPC分类号： G03G15/0173 , G03G15/065
摘要： An image forming apparatus includes a rotatable image bearing member configured to bear an electrostatic latent image, a plurality of development devices including a developer bearing member configured to bear a developer for developing the electrostatic latent image, a rotatable development device supporting member configured to support the plurality of development devices. In the image forming apparatus, the developer bearing member is configured to execute development while contacting the image bearing member at a development position via the developer, rotating in the same direction as rotating direction of the image bearing member at the development position, and rotating at a speed faster than a surface speed of the image bearing member. In addition, the development device supporting member is configured to rotate in the same direction of a rotating direction of the image bearing member at a position where the development device supporting member and the image bearing member are facing each other, and change a developer bearing member existing at the development position to another developer bearing member by rotating. Furthermore, a relative speed of a surface moving speed of the developer bearing member with respect to a surface moving speed of the image bearing member when the developer bearing member abuts on or separates from the image bearing member due to the rotation of the development device supporting member becomes higher than a relative speed of the surface moving speed of the developer bearing member with respect to the surface moving speed of the surface of the image bearing member when the electrostatic latent image is developed, and a control unit configured to control a first potential difference, which is a potential difference between a potential of a bias applied to the developer bearing member when the developer bearing member abuts on or separates from the image bearing member and a potential of the image bearing member at the development position becomes higher than a second potential difference, which is a potential difference between the potential of the bias applied to the image bearing member and a potential of a non-imaging portion of the image bearing member at the development position.
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公开(公告)号：US09098005B2
公开(公告)日：2015-08-04
申请号：US13155981
申请日：2011-06-08
CPC分类号： G03G15/0173 , G03G15/065
摘要： An image forming apparatus includes a rotatable image bearing member configured to bear an electrostatic latent image, a plurality of development devices including a developer bearing member configured to bear a developer for developing the electrostatic latent image, a rotatable development device supporting member configured to support the plurality of development devices. The developer bearing member is configured to execute development while contacting the image bearing member at a development position via the developer, rotating in the same direction as rotating direction of the image bearing member at the development position, and rotating at a speed faster than a surface speed of the image bearing member.
摘要翻译： 一种图像形成装置包括构造成承载静电潜像的可旋转图像承载构件，包括构造成承载用于显影静电潜像的显影剂的显影剂承载构件的多个显影装置，被配置为支撑静电潜像的可旋转显影装置支撑构件 多个开发设备。 显影剂承载部件构造成在显影位置通过显影剂与图像承载部件接触而进行显影，该显影剂沿与显影位置处的图像承载部件的旋转方向相同的方向旋转，并以比表面快的速度旋转 图像承载部件的速度。
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公开(公告)号：US20120045225A1
公开(公告)日：2012-02-23
申请号：US13211193
申请日：2011-08-16
CPC分类号： G03G15/0813 , G03G15/0856 , G03G15/086
摘要： In a rotary-type image forming apparatus in which detection of electrostatic capacitance is performed when a developing apparatus is in a posture less affected by a toner density within the developing apparatus, a toner in the developing apparatus, which is located at a development position during the detection of the electrostatic capacitance, is avoided from being uselessly consumed. The image forming apparatus has a remaining amount detection mode of detecting a toner remaining amount on condition that a developing roller of one developing apparatus positioned opposite to another developing apparatus, for which the toner remaining amount is to be detected, stands by in a state spaced from a drum.
摘要翻译： 在显影装置处于不受显影装置内的调色剂密度影响的姿势下进行静电电容检测的旋转型图像形成装置中，在显影装置中位于显影位置的调色剂 防止静电电容的检测被无用地消耗。 图像形成装置具有检测调色剂剩余量的剩余量检测模式，其条件是，与要检测调色剂剩余量的另一显影装置相对的一个显影装置的显影辊处于间隔的状态 从鼓。
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公开(公告)号：US08699894B2
公开(公告)日：2014-04-15
申请号：US13211193
申请日：2011-08-16
IPC分类号： G03G15/08
CPC分类号： G03G15/0813 , G03G15/0856 , G03G15/086
摘要： In a rotary-type image forming apparatus in which detection of electrostatic capacitance is performed when a developing apparatus is in a posture less affected by a toner density within the developing apparatus, a toner in the developing apparatus, which is located at a development position during the detection of the electrostatic capacitance, is avoided from being uselessly consumed. The image forming apparatus has a remaining amount detection mode of detecting a toner remaining amount on condition that a developing roller of one developing apparatus positioned opposite to another developing apparatus, for which the toner remaining amount is to be detected, stands by in a state spaced from a drum.
摘要翻译： 在显影装置处于不受显影装置内的调色剂密度影响的姿势下进行静电电容检测的旋转型图像形成装置中，在显影装置中位于显影位置的调色剂 防止静电电容的检测被无用地消耗。 图像形成装置具有检测调色剂剩余量的剩余量检测模式，其条件是，与要检测调色剂剩余量的另一显影装置相对的一个显影装置的显影辊处于间隔的状态 从鼓。
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