公开(公告)号：US20160291507A1

公开(公告)日：2016-10-06

申请号：US15089275

申请日：2016-04-01

申请人： Masayoshi Nakayama ,  Takuma Higa ,  Hiroyuki Kunii ,  Masaki Sukesako ,  Kazuaki Kamihara ,  Yuichi Aizawa ,  Masahiro Katoh ,  Kohei Matsumoto

发明人： Masayoshi Nakayama ,  Takuma Higa ,  Hiroyuki Kunii ,  Masaki Sukesako ,  Kazuaki Kamihara ,  Yuichi Aizawa ,  Masahiro Katoh ,  Kohei Matsumoto

IPC分类号： G03G15/08

CPC分类号： G03G15/0849 ,  G03G15/0877 ,  G03G15/5058 ,  G03G15/556

摘要： An image forming apparatus includes an image bearer, an image forming device, a toner concentration detector, a toner supply device, an image density detector, and a controller including a memory device. At a predetermined timing before image formation is started, the controller adjusts a developing potential to adjust an image density of a detection toner image on the image bearer and drives the toner supply device or the developing device to adjust a toner concentration in the developing device. After the image formation is started, the controller drives the toner supply device to adjust the toner concentration, and, in a predetermined sheet interval, adjusts the target concentration based on the image density of the detection toner image formed in a non-image area of the image bearer. When the toner concentration is higher than the target concentration plus a threshold, the controller suspends image formation and readjusts the developing potential.

摘要翻译： 图像形成装置包括图像载体，图像形成装置，调色剂浓度检测器，调色剂供给装置，图像浓度检测器和包括存储器件的控制器。 在图像形成开始之前的预定定时，控制器调节显影电位以调整图像载体上的检测调色剂图像的图像浓度并驱动调色剂供应装置或显影装置以调节显影装置中的调色剂浓度。 在图像形成开始之后，控制器驱动调色剂供应装置以调节调色剂浓度，并且在预定的纸张间隔中，基于形成在非图像区域中的检测调色剂图像的图像浓度来调整目标浓度 图像承载。 当调色剂浓度高于目标浓度加阈值时，控制器暂停图像形成并重新调整显影电位。

公开(公告)号：US09229399B2

公开(公告)日：2016-01-05

申请号：US14561599

申请日：2014-12-05

申请人： Kazuaki Kamihara ,  Toshihiro Sugiyama ,  Takuma Higa ,  Masayoshi Nakayama ,  Hiroyuki Kunii ,  Masaki Sukesako ,  Wakana Itoh

发明人： Kazuaki Kamihara ,  Toshihiro Sugiyama ,  Takuma Higa ,  Masayoshi Nakayama ,  Hiroyuki Kunii ,  Masaki Sukesako ,  Wakana Itoh

IPC分类号： G03G15/08 ,  G03G15/00 ,  G03G15/16

CPC分类号： G03G15/50 ,  G03G15/1605 ,  G03G15/161 ,  G03G2215/0129

摘要： An image forming apparatus includes multiple image forming units each including a latent image bearer and a developing device, a transfer device to transfer toner images from the latent image bearers onto a surface of endless rotary member, a cleaner to clean the surface of the endless rotary member, and a control unit to execute a forcible toner consumption process to forcibly consume degraded toner stored in applicable one or more developing devices. The forcible toner consumption process includes a step of forming a toner image formed for forced consumption in a non-image region of the latent image bearer with an amount of toner corresponding to a difference between an image area ratio of a developed image and a prescribed threshold when the image area ratio of the developed image is lower than the prescribed threshold.

摘要翻译： 图像形成装置包括多个图像形成单元，每个图像形成单元包括潜像载体和显影装置，将调色剂图像从潜像载体转印到无端旋转构件的表面上的转印装置，清洁器以清洁环形旋转体的表面 以及控制单元，执行强制消耗墨粉的处理，以强制地消耗存储在适用的一个或多个显影装置中的降解调色剂。 强制性墨粉消耗处理包括以与显影图像的图像面积比和规定阈值之间的差相应的调色剂量形成用于在潜像载体的非图像​​区域中强制消耗的调色剂图像的步骤 当显影图像的图像面积比低于规定的阈值时。

公开(公告)号：US08849142B2

公开(公告)日：2014-09-30

申请号：US13477442

申请日：2012-05-22

申请人： Hiroyuki Sugiyama ,  Jun Yura ,  Tokuya Ohjimi ,  Yukiko Iwasaki ,  Jun Shiori ,  Masaki Sukesako ,  Kazuaki Kamihara ,  Hironobu Takeshita ,  Ryota Kidera

发明人： Hiroyuki Sugiyama ,  Jun Yura ,  Tokuya Ohjimi ,  Yukiko Iwasaki ,  Jun Shiori ,  Masaki Sukesako ,  Kazuaki Kamihara ,  Hironobu Takeshita ,  Ryota Kidera

IPC分类号： G03G15/20

CPC分类号： G03G15/205 ,  G03G15/04027 ,  G03G15/2039

摘要： Disclosed is an image forming device including a fixing unit that fixes a first image to be fixed onto a sheet, the first image to be fixed being supported on the sheet, a target fixing temperature varying unit that varies a target fixing temperature during a time period in which a fixing process is performed, and a gradation processing unit that applies a gradation process to first image information. The target fixing temperature varying unit varies the target fixing temperature for the sheet of the recording medium to which the fixing process is applied, depending on presence or absence of a halftone process, and depending on a type of the gradation process to be utilized.

摘要翻译： 公开了一种图像形成装置，包括固定单元，该固定单元将待固定的第一图像固定在片材上，待固定的第一图像被支撑在片材上;目标定影温度变化单元，其在一段时间段内改变目标定影温度 其中执行定影处理;以及灰度处理单元，其对第一图像信息应用灰度处理。 目标定影温度变化单元根据存在或不存在半色调处理，根据要使用的灰度处理的类型，改变施加了定影处理的记录介质的片材的目标定影温度。

公开(公告)号：US08737866B2

公开(公告)日：2014-05-27

申请号：US13251512

申请日：2011-10-03

申请人： Jun Shiori ,  Jun Yura ,  Yukiko Iwasaki ,  Masaki Sukesako ,  Hiroyuki Sugiyama ,  Kazuaki Kamihara ,  Hironobu Takeshita

发明人： Jun Shiori ,  Jun Yura ,  Yukiko Iwasaki ,  Masaki Sukesako ,  Hiroyuki Sugiyama ,  Kazuaki Kamihara ,  Hironobu Takeshita

IPC分类号： G03G21/20 ,  G03G15/00

CPC分类号： G03G21/206

摘要： An image forming apparatus includes a developing device including a developing roller to bear a developing agent to develop a latent image formed on an image bearing member, a cooling device to reduce an internal temperature of the image forming apparatus, a controller to calculate a travel distance of the developing roller to control the cooling device, and a memory unit to store the total travel distance of the developing roller. The controller calculates the total travel distance of the developing roller every Y minutes in the last X minutes, and a difference between the latest total travel distance of the developing roller and the total travel distance stored Z minutes ago by the memory unit to obtain the total travel distance during Z minutes and operate the cooling device for W minutes after image forming operation where the difference is equal to or greater than a threshold value M.

摘要翻译： 图像形成装置包括：显影装置，包括显影辊，用于承载显影剂以显影形成在图像承载部件上的潜像;冷却装置，用于降低图像形成装置的内部温度;控制器，计算行进距离 以及用于存储显影辊总行程距离的存储单元。 控制器在最后的X分钟中每Y分钟计算出显影辊的总行程距离，并且由存储单元计算显影辊的最近总行程距离与Z分钟前存储的总行程距离之间的差以获得总计 在Z分钟内行驶距离，并且在差异等于或大于阈值M的图像形成操作之后操作冷却装置W分钟。

公开(公告)号：US20120099878A1

公开(公告)日：2012-04-26

申请号：US13251756

申请日：2011-10-03

申请人： Masaki SUKESAKO ,  Tokuya Ohjimi

发明人： Masaki SUKESAKO ,  Tokuya Ohjimi

IPC分类号： G03G15/08

CPC分类号： G03G15/0879 ,  G03G15/0848 ,  G03G15/0872

摘要： A toner replenishing device comprises a toner container that stores toner, a toner replenishing device that supplies toner from the toner container to a developing device, and a toner condition detector that detects an aggregated condition of the toner stored in the toner container. A toner softening device is provided to soften toner stored in the toner container. A controller is also provided to drive the toner softening device for a prescribed time period in accordance with a detection result obtained by the toner condition detector.

摘要翻译： 调色剂补充装置包括一个存储调色剂的调色剂容器，将调色剂从调色剂容器供给到显影装置的调色剂补充装置，以及检测存储在调色剂容器中的调色剂的聚集状态的调色剂状态检测器。 提供调色剂软化装置以软化存储在调色剂容器中的调色剂。 还提供控制器以根据调色剂状态检测器获得的检测结果驱动调色剂软化装置达预定时间段。

公开(公告)号：US20120093528A1

公开(公告)日：2012-04-19

申请号：US13251512

申请日：2011-10-03

申请人： Jun SHIORI ,  Jun Yura ,  Yukiko Iwasaki ,  Masaki Sukesako ,  Hiroyuki Sugiyama ,  Kazuaki Kamihara ,  Hironobu Takeshita

发明人： Jun SHIORI ,  Jun Yura ,  Yukiko Iwasaki ,  Masaki Sukesako ,  Hiroyuki Sugiyama ,  Kazuaki Kamihara ,  Hironobu Takeshita

IPC分类号： G03G21/20

CPC分类号： G03G21/206

摘要： An image forming apparatus includes a developing device including a developing roller to bear a developing agent to develop a latent image formed on an image bearing member, a cooling device to reduce an internal temperature of the image forming apparatus, a controller to calculate a travel distance of the developing roller to control the cooling device, and a memory unit to store the total travel distance of the developing roller. The controller calculates the total travel distance of the developing roller every Y minutes in the last X minutes, and a difference between the latest total travel distance of the developing roller and the total travel distance stored Z minutes ago by the memory unit to obtain the total travel distance during Z minutes and operate the cooling device for W minutes after image forming operation where the difference is equal to or greater than a threshold value M.

摘要翻译： 图像形成装置包括：显影装置，包括显影辊，用于承载显影剂以显影形成在图像承载部件上的潜像;冷却装置，用于降低图像形成装置的内部温度;控制器，计算行进距离 以及用于存储显影辊总行程距离的存储单元。 控制器在最后的X分钟中每Y分钟计算出显影辊的总行驶距离，并且由存储单元计算显影辊的最近总行程距离与Z分钟前存储的总行程距离之间的差以获得总计 在Z分钟内行驶距离，并且在差异等于或大于阈值M的图像形成操作之后操作冷却装置W分钟。

公开(公告)号：US20100040393A1

公开(公告)日：2010-02-18

申请号：US12542289

申请日：2009-08-17

申请人： Shinichi Kawahara ,  Masumi Sato ,  Nobuyuki Koinuma ,  Kazuhisa Sudo ,  Tokuya Ojimi ,  Kazuhiko Yuki ,  Kohsuke Yamamoto ,  Takehide Mizutani ,  Masaki Sukesako ,  Ryuji Yoshida

发明人： Shinichi Kawahara ,  Masumi Sato ,  Nobuyuki Koinuma ,  Kazuhisa Sudo ,  Tokuya Ojimi ,  Kazuhiko Yuki ,  Kohsuke Yamamoto ,  Takehide Mizutani ,  Masaki Sukesako ,  Ryuji Yoshida

IPC分类号： G03G15/16 ,  G03G21/00

CPC分类号： G03G15/0131 ,  G03G15/0189 ,  G03G15/161 ,  G03G15/167 ,  G03G21/0011 ,  G03G21/105 ,  G03G21/12 ,  G03G2215/0132 ,  G03G2215/1652 ,  G03G2215/1661 ,  G03G2221/0042 ,  G03G2221/1621

摘要： An image forming apparatus includes multiple image forming units disposed adjacent to and horizontally aligned with each other to form respective single non-black color images, a first transfer member to sequentially transfer and overlay the respective single non-black color images thereon for forming a composite color image, a black image forming unit disposed separately from the multiple image forming units including a black image carrier and a black image developing unit, a second transfer member to transfer the black image from the black image forming unit onto a recording medium, a first cleaning unit to clean the surface of the black image carrier, and a second cleaning unit to clean the surface of the second transfer member. The black toner removed from the surface of the black image carrier is collected to the black image developing unit.

摘要翻译： 图像形成装置包括多个图像形成单元，它们彼此相邻设置并水平对准，以形成相应的单个非黑色图像;第一传送构件，用于顺序地转移和覆盖其上的各个非黑色图像，以形成复合物 彩色图像，与包括黑色图像载体和黑色图像显影单元的多个图像形成单元分开设置的黑色图像形成单元，将黑色图像从黑色图像形成单元传送到记录介质上的第二传送构件，第一 清洁单元以清洁黑色图像载体的表面，以及第二清洁单元，以清洁第二转印构件的表面。 从黑色图像载体的表面去除的黑色调色剂被收集到黑色图像显影单元。

公开(公告)号：US10241462B2

公开(公告)日：2019-03-26

申请号：US15714610

申请日：2017-09-25

申请人： Masayoshi Nakayama ,  Takuma Higa ,  Masaki Sukesako ,  Masashi Tachi ,  Kazuaki Kamihara ,  Yuichi Aizawa ,  Tomohide Takenaka ,  Kohei Matsumoto

发明人： Masayoshi Nakayama ,  Takuma Higa ,  Masaki Sukesako ,  Masashi Tachi ,  Kazuaki Kamihara ,  Yuichi Aizawa ,  Tomohide Takenaka ,  Kohei Matsumoto

IPC分类号： G03G15/00 ,  G03G21/00 ,  G03G15/01 ,  G03G15/09

摘要： An electrophotographic image forming apparatus includes a latent image bearer to rotate and bear a latent image, a charging device to charge the a latent image bearer, a developing device to develop the latent image with developer including toner and use a developing voltage including an AC component, and a lubricant applicator to apply lubricant onto a surface of the latent image bearer. An amount of the lubricant applied by the lubricant applicator onto the latent image bearer per centimeter in an axial direction of the latent image bearer is equal to or greater than 0.845 mg for a running distance of 1.0 kilometer of the latent image bearer, and a difference between a largest value and a smallest value of the developing voltage is in a range of 200 V to 400 V.

公开(公告)号：US09488931B2

公开(公告)日：2016-11-08

申请号：US14939057

申请日：2015-11-12

申请人： Makoto Yasuda ,  Jun Hitosugi ,  Takamasa Ozeki ,  Mutsuki Morinaga ,  Emiko Shiraishi ,  Wakana Itoh ,  Hitoshi Yamamoto ,  Takatsugu Komori ,  Kunio Hasegawa ,  Tadashi Kasai ,  Kazuaki Kamihara ,  Kazumi Kobayashi ,  Hiroyuki Kunii ,  Masaki Sukesako ,  Yuichi Aizawa ,  Masakazu Terao ,  Masayoshi Nakayama ,  Takuma Higa ,  Masahiro Katoh ,  Kohei Matsumoto

发明人： Makoto Yasuda ,  Jun Hitosugi ,  Takamasa Ozeki ,  Mutsuki Morinaga ,  Emiko Shiraishi ,  Wakana Itoh ,  Hitoshi Yamamoto ,  Takatsugu Komori ,  Kunio Hasegawa ,  Tadashi Kasai ,  Kazuaki Kamihara ,  Kazumi Kobayashi ,  Hiroyuki Kunii ,  Masaki Sukesako ,  Yuichi Aizawa ,  Masakazu Terao ,  Masayoshi Nakayama ,  Takuma Higa ,  Masahiro Katoh ,  Kohei Matsumoto

IPC分类号： G03G15/08

CPC分类号： G03G15/0824 ,  G03G15/0844 ,  G03G15/0849

摘要： An image forming apparatus includes a latent image bearer; a developing device containing two-component developer and including a developer bearer, a development voltage source, and a toner concentration detector; a toner supply device to supply toner to the developing device; a transfer device; and a controller to keep a toner concentration in the developer in the developing device at a target toner concentration during image formation. The controller executes forced toner consumption in which the developing device supplies the toner to the latent image bearer the toner at a predetermined forced toner consumption timing, while inhibiting the toner supply device from supplying toner. When the toner concentration falls to a prescribed toner density lower than the target toner concentration, the controller completes the forced toner consumption and executes a post-consumption toner supply operation.

摘要翻译： 图像形成装置包括潜像载体; 包含双组分显影剂并包括显影剂承载体的显影装置，显影电压源和调色剂浓度检测器; 调色剂供应装置，用于向显影装置供应调色剂; 转移装置; 以及控制器，用于在图像形成期间将显影装置中的显影剂中的调色剂浓度保持在目标调色剂浓度。 控制器执行强制调色剂消耗，其中在抑制调色剂供应装置供应调色剂的同时，显影装置以预定的强制调色剂消耗时间将调色剂供给到潜像承载调色剂。 当调色剂浓度降低到低于目标调色剂浓度的规定调色剂浓度时，控制器完成强制调色剂消耗并执行消耗后调色剂供应操作。

公开(公告)号：US20160026109A1

公开(公告)日：2016-01-28

申请号：US14794025

申请日：2015-07-08

申请人： Masayoshi Nakayama ,  Takuma Higa ,  Hiroyuki Kunii ,  Masaki Sukesako ,  Kazuaki Kamihara ,  Masakazu Terao ,  Yuichi Aizawa ,  Masahiro Katoh ,  Kohei Matsumoto ,  Toshihiro Sugiyama

发明人： Masayoshi Nakayama ,  Takuma Higa ,  Hiroyuki Kunii ,  Masaki Sukesako ,  Kazuaki Kamihara ,  Masakazu Terao ,  Yuichi Aizawa ,  Masahiro Katoh ,  Kohei Matsumoto ,  Toshihiro Sugiyama

IPC分类号： G03G15/02 ,  G03G21/00

CPC分类号： G03G15/0275 ,  G03G21/06 ,  G03G21/08

摘要： An image forming apparatus includes a first electric charging unit having an electric discharge wire to uniformly electrify a surface of the electrostatic latent image bearer, a second electric charging unit having a second electric discharge wire to execute a pre-electric charge removal electric charging process by electrifying the surface of the electrostatic latent image bearer subsequent to a transfer process to transfer a toner image, and a first electric charge removing device to diselectrify the surface of the electrostatic latent image bearer by irradiating it with electric charge removing light subsequent to the pre-electric charge removal electric charging process. The first electric charge removing device is disposed within an electric discharge region of the second electric discharge wire on a downstream side of an extreme upstream edge of the electric discharge region of the second electric discharge wire in a rotational direction of the electrostatic latent image bearer.

摘要翻译： 图像形成装置包括具有放电线以使静电潜像载体的表面均匀充电的第一充电单元，具有第二放电线的第二充电单元，用于执行预充电去除充电过程， 在传送调色剂图像的转印处理之后对静电潜像承载体的表面通电，以及第一电荷去除装置，以通过在静电潜像承载体的表面上照射电荷去除光， 电荷去除充电过程。 第一电荷除去装置设置在第二放电线的放电区域中，在静电潜像承载体的旋转方向上位于第二放电线的放电区域的最上游边缘的下游侧。