公开(公告)号：US09753408B2

公开(公告)日：2017-09-05

申请号：US15177648

申请日：2016-06-09

申请人： Yasuko Yoshikawa ,  Junichi Mizawa ,  Ichiro Komuro ,  Shuuichi Endoh ,  Yohsuke Saitoh ,  Toru Ohmine ,  Kenji Sato ,  Masato Mukai

发明人： Yasuko Yoshikawa ,  Junichi Mizawa ,  Ichiro Komuro ,  Shuuichi Endoh ,  Yohsuke Saitoh ,  Toru Ohmine ,  Kenji Sato ,  Masato Mukai

IPC分类号： G03G15/16 ,  G03G15/08

CPC分类号： G03G15/0894 ,  G03G15/0877 ,  G03G15/168 ,  G03G15/5041 ,  G03G2215/1652

摘要： An image forming apparatus includes an image bearer to bear a latent electrostatic image thereon, a developing device to supply a development agent to the latent electrostatic image to obtain a visible image, a transfer roller to contact the image bearer to transfer the visible image to a recording medium, a replenishing device to replenish the developing device with the development agent when a density value read from a density detection pattern formed on the image bearer by the developing device is equal to or less than a threshold, a processing device to conduct a predetermined processing to reduce attachment of the development agent to the transfer roller, and a control device to control the number of times the predetermined processing is performed or processing time in performing the predetermined processing for the processing device, based on whether there is replenishment of the development agent to the developing device.

公开(公告)号：US08238769B2

公开(公告)日：2012-08-07

申请号：US12632925

申请日：2009-12-08

申请人： Michael N. Soures

发明人： Michael N. Soures

IPC分类号： G03G15/16

CPC分类号： G03G15/168 ,  G03G2215/1652

摘要： This disclosure is directed to systems and methods for calibrating, to a higher level of precision, the timing of operation of a bias transfer element in an image forming device. Specifically, the systems and methods are directed to calibrating the timing of forward and reverse biasing in a document processing apparatus to account for myriad mechanical and environmental disturbances.

摘要翻译： 本公开涉及用于校准图像形成装置中的偏置传送元件的操作时间的更高精度的系统和方法。 具体地说，系统和方法旨在校准文件处理装置中的正向和反向偏置的时序，以解决无数的机械和环境扰动。

公开(公告)号：US07689152B2

公开(公告)日：2010-03-30

申请号：US11646145

申请日：2006-12-27

申请人： Satoshi Nishida ,  Mineyuki Sako ,  Shigetaka Kurosu ,  Kazuteru Ishizuka

发明人： Satoshi Nishida ,  Mineyuki Sako ,  Shigetaka Kurosu ,  Kazuteru Ishizuka

IPC分类号： G03G15/01

CPC分类号： G03G15/161 ,  G03G15/1605 ,  G03G2215/1614 ,  G03G2215/1652

摘要： An image forming apparatus may include a first transfer section for transferring a toner image, formed on an image carrier by utilizing a charging section, an exposing section and a developing section, onto a belt shaped intermediate transfer member; and a second transfer section for transferring the toner image on the intermediate transfer member onto a recording material by applying an electric field between a second transfer roller being provided outside the intermediate transfer member and a backup roller being provided inside the intermediate transfer member, the second transfer roller and the backup roller sandwiching the intermediate recording member and the recording material. The second transfer roller may be grounded and a bias voltage may be applied to the backup roller, and a second charging section for charging a surface of the second transfer roller with a predetermined polarity may be included.

摘要翻译： 图像形成装置可以包括第一传送部分，用于将形成在图像载体上的调色剂图像通过利用充电部分，曝光部分和显影部分转印到带状中间转印部件上; 以及第二转印部分，用于通过在设置在中间转印部件外侧的第二转印辊和设置在中间转印部件的内部的支撑辊之间施加电场，将中间转印部件上的调色剂图像转印到记录材料上， 转印辊和夹持中间记录部件和记录材料的支撑辊。 第二转印辊可以接地，并且可以将偏置电压施加到支撑辊，并且可以包括用于以预定极性对第二转印辊的表面充电的第二充电部。

公开(公告)号：US20100008696A1

公开(公告)日：2010-01-14

申请号：US12499332

申请日：2009-07-08

申请人： Masaharu Furuya ,  Katsuhito Haruno ,  Takuya Sekine ,  Ryoh Tanoue ,  Masakazu Imai

发明人： Masaharu Furuya ,  Katsuhito Haruno ,  Takuya Sekine ,  Ryoh Tanoue ,  Masakazu Imai

IPC分类号： G03G15/16 ,  G03G15/01

CPC分类号： G03G15/1615 ,  G03G15/161 ,  G03G2215/1652 ,  G03G2221/1642

摘要： A transfer unit includes a belt member, a bending roller, a transfer section, and a bias application unit. The belt member is extended between rollers and has a movable surface on which a toner image is transferred from an image carrier. The bending roller externally contacts the surface of the belt member to bend the belt member and rotates in conjunction with the belt member. The transfer section includes one of the rollers and a surface moving member. The surface moving member rotates at least one full turn while cleaning is performed on the surface moving member and the bending roller. A surface moving speed of the bending roller is equal to or greater than a surface moving speed of the surface moving member. A circumferential length L1 of the surface moving member and a circumferential length L2 of the bending roller satisfy L1≧L2.

摘要翻译： 转印单元包括带构件，弯曲辊，转印部和偏压施加单元。 带构件在辊之间延伸并且具有可移动表面，调色剂图像在该可移动表面上从图像载体传送。 弯曲辊与皮带部件的表面外部接触，以使带部件弯曲并与带部件一起旋转。 转印部分包括一个辊和表面移动部件。 表面移动构件在表面移动构件和弯曲辊上进行清洁时旋转至少一整圈。 弯曲辊的表面移动速度等于或大于表面移动部件的表面移动速度。 表面移动构件的圆周长度L1和弯曲辊的周长L2满足L1> = L2。

公开(公告)号：US07412187B2

公开(公告)日：2008-08-12

申请号：US11263862

申请日：2005-11-02

申请人： Myung-kook Ahn

发明人： Myung-kook Ahn

IPC分类号： G03G15/16

CPC分类号： G03G15/168 ,  G03G2215/1652

摘要： An apparatus and method for cleaning a transfer roller of a wet-type image forming apparatus are provided. The method includes applying a measured voltage to the transfer roller; measuring a resistance among a transfer backup roller, an intermediate transfer medium, and the transfer roller based on the applied measured voltage; calculating a density of a toner of a developer on the transfer roller based on the measured resistance; and if the density of the toner is more than or equal to a predetermined reference value, supplying a carrier or applying the cleaning voltage. Thus, the cleaning voltage can be adjusted depending on the density of the toner of the developer on the transfer roller so as to maintain appropriate cleaning efficiency. If the density of the toner is greater than or equal to the predetermined reference value, the carrier can be supplied so as to improve the cleaning efficiency.

摘要翻译： 提供一种用于清洁湿式图像形成装置的转印辊的装置和方法。 该方法包括将测量的电压施加到转印辊上; 基于所施加的测量电压来测量转印支承辊，中间转印介质和转印辊之间的电阻; 基于所测量的电阻计算转印辊上的显影剂的调色剂的浓度; 并且如果调色剂的密度大于或等于预定参考值，则提供载体或施加清洁电压。 因此，可以根据转印辊上的显影剂的调色剂的密度来调节清洁电压，以保持适当的清洁效率。 如果调色剂的浓度大于或等于预定的参考值，则可以提供载体以提高清洁效率。

公开(公告)号：US20070242972A1

公开(公告)日：2007-10-18

申请号：US11693113

申请日：2007-03-29

申请人： Ryuta AI

发明人： Ryuta AI

IPC分类号： G03G15/16

CPC分类号： G03G15/168 ,  G03G21/0076 ,  G03G2215/1652 ,  G03G2221/001

摘要： An image forming apparatus has: an image bearing member which bears a toner image; a transfer member which comes into pressure contact with the image bearing member and transfers the toner image on the image bearing member onto a recording material; a first cleaning member which electrostatically collects the toner on the transfer member; and a second cleaning member which electrostatically collects the toner on the first cleaning member, wherein when a ratio of an amount of toner which is adsorbed by the first cleaning member to an amount of toner on the transfer member is assumed to be a (%) and a ratio of an amount of toner which is adsorbed by the second cleaning member to an amount of toner on the first cleaning member is assumed to be β (%), α>90 (%), β>90 (%), and α≦β.

摘要翻译： 图像形成装置具有：承载调色剂图像的图像承载部件; 与图像承载部件压力接触并将图像承载部件上的调色剂图像转印到记录材料上的转印部件; 第一清洁部件，其静电收集转印部件上的调色剂; 以及第二清洁部件，其静电收集第一清洁部件上的调色剂，其中当将由第一清洁部件吸附的调色剂的量与转印部件上的调色剂的量的比率假设为（％）时， 并且将第二清洁部件吸附的调色剂的量与第一清洁部件上的调色剂量的比例假设为β（％），α> 90（％），β> 90（％），和 alpha <= beta。

公开(公告)号：US07251433B2

公开(公告)日：2007-07-31

申请号：US11091454

申请日：2005-03-29

申请人： Ryuta Ai ,  Takehiro Kishi

发明人： Ryuta Ai ,  Takehiro Kishi

IPC分类号： G03G15/16

CPC分类号： G03G15/1605 ,  G03G21/0076 ,  G03G2215/1614 ,  G03G2215/1652 ,  G03G2221/001

摘要： An image forming apparatus includes an image bearing member, a transfer member, and a transfer member cleaning apparatus. The transfer member cleaning apparatus includes a cleaning blade and a rotatable cleaning member around the transfer member. A transfer member where a developer image is transferred from the image bearing member onto a transfer material, the cleaning blade, and the rotatable cleaning member are disposed in this order from an upstream side to a downstream side in a rotation direction of the transfer member. During a cleaning operation of the transfer member cleaning apparatus, developer in an amount corresponding to one to three layers of the developer passes through between the cleaning blade and the transfer member.

摘要翻译： 图像形成装置包括图像承载部件，转印部件和转印部件清洁装置。 转印部件清洁装置包括清洁刮板和转印部件周围的旋转清洁部件。 将显影剂图像从图像承载部件转印到转印材料上的转印部件，清洁刮板和可旋转清洁部件沿着转印部件的旋转方向从上游侧到下游侧依次设置。 在转印部件清洁装置的清洁操作期间，对应于一到三层显影剂的量的显影剂通过清洁刮板和转印部件之间。

公开(公告)号：US20060045560A1

公开(公告)日：2006-03-02

申请号：US11214769

申请日：2005-08-31

申请人： Lambertus Van Sas

发明人： Lambertus Van Sas

IPC分类号： G03G15/16

CPC分类号： G03G15/161 ,  G03G15/24 ,  G03G2215/0177 ,  G03G2215/1652 ,  G03G2215/1657 ,  G03G2215/1695

摘要： An image transfer device for a sheet-fed image reproduction system is disclosed in which an improved removal of contaminants from the surface of an image transfer member is possible by using a tacky surface cleaning member contacting the image transfer member surface. The tacky surface of the cleaning member is rejuvenated substantially without affecting the productivity of the image reproduction system by applying predetermined patterns of cleaning substance on the image transfer member surface in the non-image areas, being the part of the inter-image areas coinciding with the inter-sheet areas. Also disclosed is a method for cleaning the image transfer member surface of such image transfer device.

摘要翻译： 公开了一种用于单张纸图像再现系统的图像转印装置，其中通过使用与图像转印构件表面接触的粘性表面清洁构件，可以从图像转印构件的表面改进去除污染物。 清洁部件的粘性表面基本上不会影响图像再现系统的生产率，通过在非图像区域中的图像转印部件表面上施加预定图案的清洁物质，其中图像中区域的一部分与 页间区域。 还公开了一种用于清洁这种图像转印装置的图像转印部件表面的方法。

公开(公告)号：US20050276620A1

公开(公告)日：2005-12-15

申请号：US11144706

申请日：2005-06-06

申请人： Haruhiko Omata

发明人： Haruhiko Omata

IPC分类号： G03G15/00 ,  G03G15/16 ,  G03G21/14

CPC分类号： G03G15/168 ,  G03G2215/1652

摘要： An image forming apparatus capable of variably controlling a condition with which toner sticking to a transcription member for transferring a toner image from an image bearing member onto a transcription medium, is transferred onto the image bearing member, in accordance with a history of a toner image formed on the image bearing member, is provided by electrostatically transferring toner sticking to the transcription member onto the image bearing member.

摘要翻译： 根据调色剂图像的历史，能够可变地控制调色剂粘附到用于将调色剂图像从图像承载部件转印到转录介质上的转印部件的状态的图像形成装置被转印到图像承载部件上 形成在图像承载部件上的是通过将附着在转印部件上的调色剂静电转印到图像承载部件上来提供的。

公开(公告)号：US20050105925A1

公开(公告)日：2005-05-19

申请号：US10986987

申请日：2004-11-15

申请人： Cheol-ju Yang ,  Jun-bae Jeon

发明人： Cheol-ju Yang ,  Jun-bae Jeon

IPC分类号： G03G15/14 ,  G03G15/00

CPC分类号： G03G15/5029 ,  G03G2215/00734 ,  G03G2215/1652

摘要： A method and apparatus to prevent a transfer roller from being contaminated by toner in an image forming system, the method comprising setting a print region for a scanning operation according to a comparison result between a previous paper size in a paper cassette and a paper size in a driver; determining a current paper size in the paper cassette based on a time when front and rear ends of the paper are detected by a paper feeding sensor; comparing the current paper size in the paper cassette with the paper size in the driver; and if the paper size in the driver size is larger than the paper size in the paper cassette and the print region for the previous paper size in the paper cassette has not been set, determining a separation time of a transfer roller from a transfer belt in consideration of a delay time when the transfer roller is mechanically separated from the transfer belt after a separation command is applied to the transfer roller.

摘要翻译： 一种防止转印辊被图像形成系统中的调色剂污染的方法和装置，该方法包括根据纸盒中的先前纸张尺寸和纸张尺寸之间的比较结果来设置用于扫描操作的打印区域 一个司机; 基于纸张的前端和后端由进纸传感器检测到的时间来确定纸盒中的当前纸张尺寸; 将纸盒中的当前纸张尺寸与驱动器中的纸张尺寸进行比较; 并且如果驱动器尺寸的纸张尺寸大于纸盒中的纸张尺寸，并且纸盒中的先前纸张尺寸的打印区域未被设置，则确定转印辊从转印带的分离时间 考虑到当转印辊在分离指令被施加到转印辊上之后将转印辊与转印带机械分离时的延迟时间。