公开(公告)号：US20160282773A1

公开(公告)日：2016-09-29

申请号：US15078809

申请日：2016-03-23

申请人： Konica Minolta, Inc.

发明人： Hirofumi ISHIDA

IPC分类号： G03G15/16

CPC分类号： G03G15/1675 ,  G03G15/1605 ,  G03G15/5045 ,  G03G2215/0132

摘要： An image forming apparatus having: an image carrier being rotatable while carrying a toner image; a transfer member being rotatable while forming a transfer nip by being pressed by the image carrier, the image carrier being made with an ion conductive material; a power supply continuously applying a transfer bias voltage to the transfer member as a plurality of print media pass through the transfer nip, the transfer bias voltage having a predetermined polarity; and a control section determining whether the resistance of a nip-margin area has exceeded a predetermined resistance threshold, the nip-margin area being a marginal portion of the transfer nip through which no print medium passes, wherein, when the determination of the control section is affirmative, the power supply applies a reverse-bias voltage to the transfer member, the reverse-bias voltage having an opposite polarity to the transfer bias voltage.

摘要翻译： 一种图像形成装置，具有：图像载体，在携带调色剂图像的同时可旋转; 转印构件通过被图像载体压制而形成转印压区而可旋转，图像载体由离子导电材料制成; 当多个打印介质通过转印辊隙时，转印偏置电压具有预定极性的电源在转印部件上连续施加转印偏压; 以及控制部，其判定所述辊隙区域的电阻是否超过预定的电阻阈值，所述辊隙区域是所述转印辊隙的边缘部分，没有打印介质通过所述边缘部分，其中，当所述控制部分的确定 肯定的是，电源向转移构件施加反向偏置电压，反向偏置电压具有与转印偏压相反的极性。

公开(公告)号：US20130129368A1

公开(公告)日：2013-05-23

申请号：US13741196

申请日：2013-01-14

申请人： CANON KABUSHIKI KAISHA

发明人： Isami Itoh

IPC分类号： G03G21/20

CPC分类号： G03G21/20 ,  G03G15/043 ,  G03G15/5045

摘要： An image forming apparatus includes temperature sensors that measure temperatures at different locations in the longitudinal direction of a photosensitive drum. The image forming apparatus also includes an image processing circuit configured to change an exposure condition in the longitudinal direction of the photosensitive drum based on measured values obtained by the temperature sensors. A related image forming method includes calculating a temperature at a third location between the first and second location based on the measured temperatures at the first location and the second location, and controlling an exposure condition for exposure at the third location in accordance with image information, including changing the exposure condition for the exposure at the third location based on the calculated temperature at the third location.

摘要翻译： 图像形成装置包括温度传感器，其测量感光鼓的纵向方向上的不同位置处的温度。 图像形成装置还包括图像处理电路，其被配置为基于由温度传感器获得的测量值来改变感光鼓的纵向上的曝光条件。 相关图像形成方法包括基于第一位置和第二位置处的测量温度来计算第一和第二位置之间的第三位置的温度，以及根据图像信息控制在第三位置处的曝光的曝光条件， 包括基于第三位置处的计算温度来改变第三位置处的曝光的曝光条件。

公开(公告)号：US20110305468A1

公开(公告)日：2011-12-15

申请号：US13156468

申请日：2011-06-09

申请人： Shigeru Fujiwara

发明人： Shigeru Fujiwara

IPC分类号： G03G15/00 ,  G03G15/02 ,  G03G15/08

CPC分类号： G03G15/5041 ,  G03G15/5045 ,  G03G2215/00084

摘要： An image forming apparatus includes an electrostatic latent image forming unit, a developing unit, an apparatus information acquisition unit to acquire apparatus information relating to the image forming apparatus, a toner image condition information acquisition unit using the apparatus information and acquiring toner image condition information relating to a condition at a time of toner image formation by the electrostatic latent image forming unit and the developing unit, a reference toner image forming unit controlling the electrostatic latent image forming unit and the developing unit based on the toner image condition information and forming a reference toner image on the image carrier, a toner adhesion amount information acquisition unit to acquire information relating to a toner adhesion amount in the reference toner image, and a supply amount correction unit using the information relating to the toner adhesion amount and correcting a toner supply amount to the developing unit.

摘要翻译： 图像形成装置包括静电潜像形成单元，显影单元，装置信息获取单元，用于获取与图像形成装置有关的装置信息;调色剂图像状态信息获取单元，使用该装置信息并获取调色剂图像条件信息 通过静电潜像形成单元和显影单元形成调色剂图像时的状态，基于调色剂图像条件信息控制静电潜像形成单元和显影单元的基准调色剂图像形成单元，并形成基准 图像载体上的调色剂图像，调色剂附着量信息获取单元，用于获取与参考调色剂图像中的调色剂附着量相关的信息;以及供给量校正单元，其使用与调色剂附着量相关的信息和校正调色剂供给量 到开发单元。

公开(公告)号：US20100129093A1

公开(公告)日：2010-05-27

申请号：US12623839

申请日：2009-11-23

申请人： Masayoshi Nakayama ,  Shinichi Akatsu ,  Tomohide Takenaka

发明人： Masayoshi Nakayama ,  Shinichi Akatsu ,  Tomohide Takenaka

IPC分类号： G03G15/02

CPC分类号： G03G15/5037 ,  G03G15/5045 ,  G03G15/553

摘要： A device for determining an end of life of an organic photoreceptor includes a potential detecting unit that detects a residual potential of the organic photoreceptor, a temperature detecting unit that detects temperature of the organic photoreceptor in either one of a direct manner and an indirect manner, and a life determining unit that determines the end of life of the organic photoreceptor based on the residual potential detected by the potential detecting unit and the temperature detected by the temperature detecting unit.

摘要翻译： 用于确定有机感光体的寿命终止的装置包括检测有机感光体的残留电位的电位检测单元，以直接方式和间接方式检测有机感光体的温度的温度检测单元， 以及生命确定单元，其基于由所述电位检测单元检测的残留电位和由所述温度检测单元检测到的温度来确定所述有机感光体的寿命终止。

公开(公告)号：US20080298826A1

公开(公告)日：2008-12-04

申请号：US12127689

申请日：2008-05-27

申请人： Hideaki Yonekubo

发明人： Hideaki Yonekubo

IPC分类号： G03G15/00 ,  G03G15/06 ,  G03G15/02

CPC分类号： G03G15/5045 ,  G03G15/0266 ,  G03G15/5033 ,  G03G21/203

摘要： An image forming apparatus includes a rotatable photosensitive drum, a charging apparatus to which a charging voltage is applied, an exposure apparatus forming an electrostatic image, a developing apparatus to which a development voltage is applied, a timer measuring an image formation time lapsed from start of rotation of the photosensitive drum and an image formation stop time lapsed from stop of the rotation of the photosensitive drum, and a temperature and humidity sensor detecting a temperature and a humidity of an atmosphere environment around the photosensitive drum. When the humidity is low, a charging voltage is controlled based on a measured result of the timer and detected results of the temperature and humidity sensor. When the humidity is high, the charging voltage is controlled based on the measured result of the timer and the temperature detected result of the temperature and humidity sensor without using humidity information.

摘要翻译： 图像形成装置包括可旋转感光鼓，施加充电电压的充电装置，形成静电图像的曝光装置，施加显影电压的显影装置，测量从开始起始的图像形成时间的计时器 感光鼓的旋转以及从停止感光鼓的转动而逝去的图像形成停止时间，以及温度和湿度传感器，其检测感光鼓周围的大气环境的温度和湿度。 当湿度低时，根据定时器的测量结果和温湿度传感器的检测结果控制充电电压。 当湿度高时，根据定时器的测量结果和温度和湿度传感器的温度检测结果，不使用湿度信息来控制充电电压。

公开(公告)号：US07280785B2

公开(公告)日：2007-10-09

申请号：US11534537

申请日：2006-09-22

申请人： Masaya Kawada ,  Hiroaki Kawakami ,  Noriyoshi Umeda

发明人： Masaya Kawada ,  Hiroaki Kawakami ,  Noriyoshi Umeda

IPC分类号： G03G15/00 ,  G03G21/00

CPC分类号： G03G5/14708 ,  G03G5/0575 ,  G03G5/0589 ,  G03G5/0592 ,  G03G5/0596 ,  G03G5/071 ,  G03G5/075 ,  G03G5/076 ,  G03G5/14769 ,  G03G5/14786 ,  G03G5/14791 ,  G03G5/14795 ,  G03G9/0819 ,  G03G9/0821 ,  G03G15/5045 ,  G03G21/0035 ,  G03G21/0058 ,  G03G2215/00084 ,  G03G2221/0026

摘要： An image forming apparatus provided with a photosensitive member, a charging device for charging the photosensitive member, a developing device for developing an electrostatic image formed on the photosensitive member by a developer, a cleaning blade for removing the developer residual on the photosensitive member, a rubbing member provided upstream of the cleaning blade in the direction of rotation of the photosensitive member for rubbing the photosensitive member to assist the cleaning blade in cleaning, and a controller for controlling the surface temperature of the photosensitive member, wherein the photosensitive member has the HU (universal hardness value) of 150 N/mm2 or greater and 220 N/mm2 or less, and the elastic deformation rate of 43% or greater and 65% or less.

摘要翻译： 设置有感光部件的图像形成装置，用于对感光部件充电的充电装置，显影装置，用于使由显影剂在感光部件上形成的静电图像显影，用于除去感光部件上的显影剂残留物的清洁刮板， 摩擦构件设置在清洁刮板的上游沿着感光构件的旋转方向，用于摩擦感光构件以帮助清洁刮板进行清洁;以及控制器，用于控制感光构件的表面温度，其中感光构件具有HU （通用硬度值）为150N / mm 2以上且220N / mm 2以下，弹性变形率为43％以上且65％以下 减。

公开(公告)号：US20070019982A1

公开(公告)日：2007-01-25

申请号：US11534537

申请日：2006-09-22

申请人： Masaya Kawada ,  Hiroaki Kawakami ,  Noriyoshi Umeda

发明人： Masaya Kawada ,  Hiroaki Kawakami ,  Noriyoshi Umeda

IPC分类号： G03G15/00 ,  G03G21/00

CPC分类号： G03G5/14708 ,  G03G5/0575 ,  G03G5/0589 ,  G03G5/0592 ,  G03G5/0596 ,  G03G5/071 ,  G03G5/075 ,  G03G5/076 ,  G03G5/14769 ,  G03G5/14786 ,  G03G5/14791 ,  G03G5/14795 ,  G03G9/0819 ,  G03G9/0821 ,  G03G15/5045 ,  G03G21/0035 ,  G03G21/0058 ,  G03G2215/00084 ,  G03G2221/0026

摘要： An image forming apparatus provided with a photosensitive member, a charging device for charging the photosensitive member, a developing device for developing an electrostatic image formed on the photosensitive member by a developer, a cleaning blade for removing the developer residual on the photosensitive member, a rubbing member provided upstream of the cleaning blade in the direction of rotation of the photosensitive member for rubbing the photosensitive member to assist the cleaning blade in cleaning, and a controller for controlling the surface temperature of the photosensitive member, wherein the photosensitive member has the HU (universal hardness value) of 150 N/mm2 or greater and 220 N/mm2 or less, and the elastic deformation rate of 43% or greater and 65% or less.

摘要翻译： 设置有感光部件的图像形成装置，用于对感光部件充电的充电装置，显影装置，用于使由显影剂在感光部件上形成的静电图像显影，用于除去感光部件上的显影剂残留物的清洁刮板， 摩擦构件设置在清洁刮板的上游沿着感光构件的旋转方向，用于摩擦感光构件以帮助清洁刮板进行清洁;以及控制器，用于控制感光构件的表面温度，其中感光构件具有HU （通用硬度值）为150N / mm 2以上且220N / mm 2以下，弹性变形率为43％以上且65％以下 减。

公开(公告)号：US06433804B1

公开(公告)日：2002-08-13

申请号：US09868829

申请日：2001-06-21

申请人： Volkhard Maess ,  Martin Schleusener

发明人： Volkhard Maess ,  Martin Schleusener

IPC分类号： G03G1504

CPC分类号： G03G15/5037 ,  G03G15/5045 ,  G06K15/14

摘要： A method in which a multilevel character generator (22) is adjusted using a single correction factor (KF) during an automatic compensation operation such that high-quality printed images can be obtained also in the instance of modified printing conditions.

摘要翻译： 在自动补偿操作期间使用单个校正因子（KF）来调整多级字符发生器（22）的方法，使得在修改的打印条件的情况下也可以获得高质量的打印图像。

公开(公告)号：US5170210A

公开(公告)日：1992-12-08

申请号：US73450

申请日：1991-05-29

申请人： Ryoji Saruwatari

发明人： Ryoji Saruwatari

IPC分类号： G03G15/00 ,  G03G15/02 ,  G03G15/08 ,  G03G21/00

CPC分类号： G03G15/5033 ,  G03G15/0266 ,  G03G15/0877 ,  G03G15/0887 ,  G03G15/5045 ,  G03G2215/00042 ,  G03G2215/00084

摘要： In an image forming apparatus, a photosensitive drum 7 is previously charged to have a surface potential by a charger 7. A latent image is formed on the charged photosensitive drum 7 by projecting an optical image thereon. The latent image is developed by a developer which is charged in the developing unit and supplied from the developing unit 18. The developed latent image is transferred to and fixed on a paper. Environmental conditions such as temperature, humidity and atmospheric pressure around the photosensitive drum are detected by temperature, humidity and pressure detectors, and image densities of the image on the photosensitive drum are detected by a density sensor. The surface potential of the drum and the charge amount of developer are charged and controlled in accordance with the image densities and the environmental conditions, so that a high quality image is formed on the paper even if environmental conditions are changed.

摘要翻译： 在图像形成装置中，感光鼓7预先通过充电器7充电以具有表面电位。通过在其上投影光学图像在充电感光鼓7上形成潜像。 潜像由显影装置显影并显影单元18供给的显影剂显影。显影的潜像被转印并固定在纸上。 通过温度，湿度和压力检测器检测感光鼓周围的温度，湿度和大气压等环境条件，并通过密度传感器检测感光鼓上图像的图像浓度。 鼓的表面电位和显影剂的电荷量根据图像密度和环境条件进行充电和控制，使得即使环境条件改变也在纸上形成高质量图像。

公开(公告)号：US20240302771A1

公开(公告)日：2024-09-12

申请号：US18669028

申请日：2024-05-20

申请人： CANON KABUSHIKI KAISHA

发明人： Koji An ,  Shinji Katagiri

IPC分类号： G03G15/16 ,  G03G15/00 ,  G03G15/04

CPC分类号： G03G15/1675 ,  G03G15/04072 ,  G03G15/5045 ,  G03G2215/0404 ,  G03G2215/1614

摘要： An image forming apparatus includes an image bearing member, a transfer member, an acquiring portion, an applying portion, and a controller. When a transfer voltage is subjected to constant-voltage control so that the transfer voltage applied to the transfer member by the applying portion is substantially constant, in a case that the transfer voltage, when a toner amount used for a toner image is a first toner amount, is a first voltage, the controller controls the applying portion so that the transfer voltage is a second voltage smaller lower in absolute value than the first voltage in a case that the toner amount is a second toner amount larger greater than the first toner amount. The acquiring portion acquires toner amount information on the toner amount for each toner image transferred onto a single recording material.