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公开(公告)号：US07981585B2
公开(公告)日：2011-07-19
申请号：US11930561
申请日：2007-10-31
IPC分类号： G03G21/00
CPC分类号： G03G21/0017 , C08L27/18 , C08L67/025 , C08L2666/04
摘要： In an image forming apparatus comprising a charging section, an exposure section, a developing section, a transfer section, a peeling section, a cleaning section including a cleaning blade, and a fixing section, the cleaning blade is composed by dispersing 15 parts by weight through 33 parts by weight of fluorine resin particulate and secondary particles thereof into 100 parts by weight of a synthetic resin of a base material and, on a surface of the cleaning blade 16a, and a number of the secondary particles of the fluorine resin particulate having a particle diameter of 0.5 μm or more existing in unit area of 100 μm2 is made to be 50 or less.
摘要翻译： 在包括充电部，曝光部，显影部，转印部，剥离部，包括清洁刮板的清洁部和固定部的图像形成装置中，清洁刮板由15重量份 通过将33重量份的氟树脂颗粒和二次颗粒加入到100重量份的基材的合成树脂中，并且在清洁刮板16a的表面上，并且多个氟树脂颗粒的二次颗粒具有 以单位面积100μm存在的粒径为0.5μm以上的粒径为50以下。
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公开(公告)号：US07860415B2
公开(公告)日：2010-12-28
申请号：US11984429
申请日：2007-11-16
IPC分类号： G03G15/10
CPC分类号： G03G15/0849 , G03G15/0853 , G03G2215/00075
摘要： An image forming apparatus includes a toner image forming section including a developing device having a developer tank for storing a two-component developer, a transfer section, a fixing section, a recording medium feeding section, and a discharging section. The image forming apparatus further includes a toner concentration detecting section for detecting the toner concentration in the developer tank, a printing speed switching section, a toner concentration calculating section for correcting a detection result obtained by the toner concentration detecting section according to a speed of printing to calculate the toner concentration, and a toner replenishment control section for replenishing the toner into the developer tank according to a calculation result by the toner concentration calculating section.
摘要翻译： 图像形成装置包括具有显影装置的显影装置的调色剂图像形成部分，该显影装置具有用于存储双组分显影剂，转印部分，固定部分，记录介质进料部分和排出部分的显影剂罐。 图像形成装置还包括用于检测显影剂罐中的调色剂浓度的调色剂浓度检测部分，印刷速度切换部分，调色剂浓度计算部分，用于根据印刷速度来校正由调色剂浓度检测部分获得的检测结果 以及调色剂补充控制部分，用于根据调色剂浓度计算部分的计算结果将调色剂补充到显影剂罐中。
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3.发明授权Developing device with corrected toner density sensing, control method, and computer-readable storage medium 有权具有校正调色剂浓度感测，控制方法和计算机可读存储介质的显影装置公开(公告)号：US07430381B2
公开(公告)日：2008-09-30
申请号：US11362508
申请日：2006-02-27
IPC分类号： G03G15/06
CPC分类号： G03G15/0853
摘要： The developing device according to the present invention includes a developing tank for containing two-component developer, a toner density sensor, and a toner cartridge. Further, the developing device according to the present invention includes a control section for inputting, to the toner density sensor, a control voltage (Vc) for correcting a sensor output. The control section sets the control voltage (Vc), by using a standard control voltage having been set so as to correspond to each of the stirring velocities, so that a sensor output (Vo) has a value within a range indicative of predetermined toner density. With the arrangement, it is possible to set the toner density sensor so that the toner density sensor operates in the most suitable manner so as to correspond to each of the stirring velocities, thereby realizing a developing device capable of detecting toner density with high accuracy.
摘要翻译： 根据本发明的显影装置包括用于容纳双组分显影剂，调色剂浓度传感器和调色剂盒的显影槽。 此外，根据本发明的显影装置包括用于向调色剂浓度传感器输入用于校正传感器输出的控制电压（Vc）的控制部分。 控制部通过使用已经被设置为对应于每个搅拌速度的标准控制电压来设定控制电压（Vc），使得传感器输出（Vo）具有指示预定调色剂浓度的范围内的值 。 通过该布置，可以设置调色剂浓度传感器，使得调色剂浓度传感器以最适合的方式进行操作，以对应于每个搅拌速度，从而实现能够高精度地检测调色剂浓度的显影装置。
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公开(公告)号：US20080103257A1
公开(公告)日：2008-05-01
申请号：US11930561
申请日：2007-10-31
CPC分类号： G03G21/0017 , C08L27/18 , C08L67/025 , C08L2666/04
摘要： In an image forming apparatus comprising a charging section, an exposure section, a developing section, a transfer section, a peeling section, a cleaning section including a cleaning blade, and a fixing section, the cleaning blade is composed by dispersing 15 parts by weight through 33 parts by weight of fluorine resin particulate and secondary particles thereof into 100 parts by weight of a synthetic resin of a base material and, on a surface of the cleaning blade 16a, and a number of the secondary particles of the fluorine resin particulate having a particle diameter of 0.5 μm or more existing in unit area of 100 μm2 is made to be 50 or less.
摘要翻译： 在包括充电部分，曝光部分，显影部分，转印部分，剥离部分，包括清洁刮板的清洁部分和固定部分的图像形成装置中，清洁刮板由15重量份 通过将33重量份的氟树脂颗粒和二次颗粒加入到100重量份的基材的合成树脂中，并且在清洁刮板16a的表面上和多个氟树脂颗粒的二次颗粒 以100umum 2的单位面积存在的粒径为0.5μm以上的粒径为50以下。
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5.发明申请Developing device, image forming apparatus having developing device, developing device control method, developing device control program, and computer-readable storage medium 有权显影装置，具有显影装置的图像形成装置，显影装置控制方法，显影装置控制程序和计算机可读存储介质公开(公告)号：US20060193650A1
公开(公告)日：2006-08-31
申请号：US11362508
申请日：2006-02-27
IPC分类号： G03G15/08
CPC分类号： G03G15/0853
摘要： The developing device according to the present invention includes a developing tank for containing two-component developer, a toner density sensor, and a toner cartridge. Further, the developing device according to the present invention includes a control section for inputting, to the toner density sensor, a control voltage (Vc) for correcting a sensor output. The control section sets the control voltage (Vc), by using a standard control voltage having been set so as to correspond to each of the stirring velocities, so that a sensor output (Vo) has a value within a range indicative of predetermined toner density. With the arrangement, it is possible to set the toner density sensor so that the toner density sensor operates in the most suitable manner so as to correspond to each of the stirring velocities, thereby realizing a developing device capable of detecting toner density with high accuracy.
摘要翻译： 根据本发明的显影装置包括用于容纳双组分显影剂，调色剂浓度传感器和调色剂盒的显影槽。 此外，根据本发明的显影装置包括用于向调色剂浓度传感器输入用于校正传感器输出的控制电压（Vc）的控制部分。 控制部通过使用已经被设置为对应于每个搅拌速度的标准控制电压来设定控制电压（Vc），使得传感器输出（Vo）具有指示预定调色剂浓度的范围内的值 。 通过该布置，可以设置调色剂浓度传感器，使得调色剂浓度传感器以最适合的方式进行操作，以对应于每个搅拌速度，从而实现能够高精度地检测调色剂浓度的显影装置。
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6.发明授权Image forming apparatus, method of controlling same, program for controlling, and recording medium for program 有权图像形成装置，其控制方法，用于控制和记录程序的介质的程序公开(公告)号：US07561831B2
公开(公告)日：2009-07-14
申请号：US11352382
申请日：2006-02-13
IPC分类号： G03G15/08
CPC分类号： G03G15/065 , G03G15/0266 , G03G2215/0609
摘要： An image forming apparatus of the present invention includes main control section for controlling the charging control section and the development bias control section so that a potential difference between the photoconductor potential and the development bias potential in developer discharge from the development section is smaller than that in the image forming. Therefore, even when an amount of developer in the development section decreases due to developer discharge, increase of beads-carry-over onto the photoconductor from the development section can be prevented. Accordingly, damage to the photoconductor or image errors due to incomplete cleaning that are caused by beads-carry-over can be prevented.
摘要翻译： 本发明的图像形成装置包括主控制部分，用于控制充电控制部分和显影偏压控制部分，使得感光体电位和显影剂从显影部分排出的显影偏压电位之间的电位差小于 图像形成。 因此，即使当显影剂放电时显影部分中的显影剂量减少时，也可以防止从显影部分将珠粒携带到光电导体上的增加。 因此，可以防止由于珠粒携带导致的不完全清洁导致的光电导体损坏或图像误差。
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公开(公告)号：US20060182456A1
公开(公告)日：2006-08-17
申请号：US11352382
申请日：2006-02-13
CPC分类号： G03G15/065 , G03G15/0266 , G03G2215/0609
摘要： An image forming apparatus of the present invention includes main control section for controlling the charging control section and the development bias control section so that a potential difference between the photoconductor potential and the development bias potential in developer discharge from the development section is smaller than that in the image forming. Therefore, even when an amount of developer in the development section decreases due to developer discharge, increase of beads-carry-over onto the photoconductor from the development section can be prevented. Accordingly, damage to the photoconductor or image errors due to incomplete cleaning that are caused by beads-carry-over can be prevented.
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公开(公告)号：US06311027B1
公开(公告)日：2001-10-30
申请号：US09477628
申请日：2000-01-04
申请人： Hirofumi Sakita , Syouichi Fujita , Hideji Saiko , Mitsuru Tokuyama , Masatsugu Nakamura , Hiroo Naoi , Kouichi Takenouchi
发明人： Hirofumi Sakita , Syouichi Fujita , Hideji Saiko , Mitsuru Tokuyama , Masatsugu Nakamura , Hiroo Naoi , Kouichi Takenouchi
IPC分类号： G03G1502
CPC分类号： G03G15/0266 , G03G15/0291
摘要： An image-forming apparatus is provided with: a rotatable photoreceptor; a charging device for charging the surface of the photoreceptor to a predetermined electric potential. A device for corona discharging, the charging device has a control electrode for controlling the quantity of corona ions that are allowed to reach the photoreceptor. A latent image forming device for forming an electrostatic latent image on the photoreceptor that has been charged by the charging device by use of light irradiation. There is a developing device for developing the electrostatic latent image by using a developer; and a control voltage supply device for supplying a control voltage to the control electrode and for switching the control voltage to a plurality of stages from a low-voltage side to a high-voltage side until the surface electric potential of the photoreceptor has risen to a predetermined electric potential. This image-forming apparatus prevents carrier rise at the time of a rise of the photoreceptor surface electric potential.
摘要翻译： 图像形成装置设置有：可旋转感光体; 用于将感光体的表面充电至预定电位的充电装置。 一种用于电晕放电的装置，充电装置具有用于控制允许到达感光体的电晕离子量的控制电极。 一种潜像形成装置，用于通过使用光照射在充电装置中对感光体形成静电潜像。 存在通过使用显影剂显影静电潜像的显影装置; 以及控制电压供给装置，用于向控制电极提供控制电压，并且将控制电压从低压侧切换到高压侧，直到感光体的表面电位升高到 预定电位。 该图像形成装置防止感光体表面电位升高时的载体上升。
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公开(公告)号：US06512896B2
公开(公告)日：2003-01-28
申请号：US09864370
申请日：2001-05-25
申请人： Masato Asanuma , Kouichi Takenouchi , Hiroo Naoi , Syouichi Fujita , Hirofumi Sakita , Hideji Saiko
发明人： Masato Asanuma , Kouichi Takenouchi , Hiroo Naoi , Syouichi Fujita , Hirofumi Sakita , Hideji Saiko
IPC分类号： G03G1500
CPC分类号： G03G21/1878 , G03G15/553 , G03G15/556 , G03G2215/0888 , G03G2221/1663 , G03G2221/1823
摘要： A device has a process cartridge that includes a main cartridge accommodating a photosensitive body and a toner cartridge for use in replenis`hing toner as a precondition, is to precisely judge the service life of a photosensitive body and replacement timing of a main cartridge. Whether a predetermined condition is satisfied or not is judged with reference to a recording sheets count value G, a total operation time Tt1 and a toner cartridge related operation time Tx of the photosensitive drum, and a toner replenishing time Ts. In cases where a predetermined condition is satisfied, a message is displayed to urge the user to replace the process cartridge or the toner cartridge. When the toner is used up, the recording operation is inhibited, and an instruction to replace the process cartridge or the toner cartridge is displayed. Consequently, it is possible to accurately replace the photosensitive drum and toner cartridge at their respective adequate replacement timings.
摘要翻译： 装置具有处理盒，其包括容纳感光体的主盒和用于补充调色剂作为前提条件的调色剂盒，以精确地判断感光体的使用寿命和主盒的更换时机。 参照记录纸张计数值G，总操作时间Tt1和感光鼓的调色剂盒相关的操作时间Tx以及调色剂补充时间Ts来判断是否满足预定条件。 在满足预定条件的情况下，显示消息以促使用户更换处理盒或调色剂盒。 当墨粉用尽时，禁止记录操作，并显示更换处理盒或墨粉盒的指示。 因此，可以在它们各自的适当更换时刻精确地更换感光鼓和调色剂盒。
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10.发明授权Cleaning device with electrically biased conveying members for collecting, separating and reusing developer 有权具有电偏置传送构件的清洁装置，用于收集，分离和重复使用显影剂
公开(公告)号：US06157807A
公开(公告)日：2000-12-05
申请号：US428248
申请日：1999-10-27
IPC分类号： G03G21/10
CPC分类号： G03G21/105
摘要： A cleaning device comprises: a first conveying member disposed further upstream in the rotating direction of a photoconductor drum than a cleaning blade, and constructed to rotate in non-contacting relationship to the photoconductor drum to convey residual toner that was removed by the cleaning blade; a second conveying member disposed parallel to the first conveying member and constructed to rotate in non-contacting relationship to the first conveying member; a first bias power supply for applying to the first conveying member a bias voltage having a polarity opposite to the proper polarity of the developer applied for development; and a second bias power supply for applying to the second conveying member a bias voltage having the same polarity as the proper polarity.
摘要翻译： 清洁装置包括：第一输送构件，其设置在感光鼓的旋转方向上比清洁刮板更靠近上游，并被构造成以非接触的关系旋转到感光鼓，以输送由清洁刮板除去的残留调色剂; 第二输送构件，其平行于第一输送构件设置并构造成以与第一输送构件非接触的关系旋转; 第一偏置电源，用于向第一传送部件施加具有与用于显影的显影剂的适当极性相反的极性的偏置电压; 以及第二偏置电源，用于向第二传送部件施加具有与正确极性相同极性的偏置电压。
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