公开(公告)号：US09063477B2

公开(公告)日：2015-06-23

申请号：US14522495

申请日：2014-10-23

Applicant: KYOCERA Document Solutions Inc.

Inventor： Yasuhiro Michishita ,  Satoshi Uemura ,  Koji Uno ,  Tetsuya Toichi ,  Masafumi Hashimura

IPC: G03G15/00 ,  G03G15/16

CPC classification number: G03G21/06 ,  G03G15/657

Abstract: An image forming apparatus includes: a photosensitive drum; a transfer belt configured to be charged to an opposite polarity to the surface of the photosensitive drum to electrostatically attract a recording paper sheet and convey the sheet while pressing the sheet against the photosensitive drum, thereby transferring a toner image formed on the surface of the photosensitive drum to the sheet; a fixing section configured to apply heat to the recording paper sheet having the toner image transferred thereto and thus fix the toner image on the sheet; a toner collecting member disposed to face a separating position where the recording paper sheet is separated from the transfer belt and extending in a width direction of the sheet being conveyed, the toner collecting member being electrically grounded; and a thermally conductive member configured to collect heat near the fixing section and conduct the collected heat to the toner collecting member.

Abstract translation: 图像形成装置包括：感光鼓; 转印带，被配置为以与感光鼓的表面相反的极性进行充电，以静电吸引记录纸，并在将片材压靠在感光鼓上的同时传送片材，从而转印形成在感光鼓表面上的调色剂图像 鼓到桌子; 固定部，被配置为向转印有调色剂图像的记录纸张施加热量，从而将调色剂图像固定在片材上; 调色剂收集部件设置成面对记录纸张与转印带分离并且在被输送的纸张的宽度方向上延伸的分离位置，调色剂收集部件电接地; 以及导热构件，其构造成在所述固定部分附近收集热量，并将所收集的热量传送到所述调色剂收集构件。

公开(公告)号：US12111584B2

公开(公告)日：2024-10-08

申请号：US18331678

申请日：2023-06-08

Applicant: KYOCERA Document Solutions Inc.

Inventor： Yasuhiro Michishita ,  Keisuke Oba ,  Koji Uno

IPC: G03G15/02 ,  G03G15/00 ,  G03G15/04 ,  G03G15/16 ,  G03G21/06

CPC classification number: G03G15/0233 ,  G03G15/025 ,  G03G15/04 ,  G03G15/1605 ,  G03G15/167 ,  G03G15/6535 ,  G03G15/657 ,  G03G21/06 ,  G03G2221/0047

Abstract: An image forming apparatus includes a plurality of image forming portions, an intermediate transfer belt, a primary transfer member, a secondary transfer roller, a counter roller, and a charge eliminating device. The counter roller is pressed against the secondary transfer roller via an intermediate transfer belt to thereby form a secondary transfer nip portion. The charge eliminating device includes a charge eliminating needle that is disposed with an end part thereof pointing to a downstream side in a conveyance direction of the recording medium, and that is grounded, and a charge eliminating needle protection cover that has a guide surface that is opposed to the recording medium having passed through the secondary transfer nip portion, and that maintains a constant interval between the recording medium and the charge eliminating needle, and eliminates residual charge on the recording medium having passed through the secondary transfer nip portion.

公开(公告)号：US20230213880A1

公开(公告)日：2023-07-06

申请号：US18147174

申请日：2022-12-28

Applicant: KYOCERA Document Solutions Inc.

Inventor： Masaru Watanabe ,  Kanako Kikuchi ,  Yasuaki Sakamoto ,  Ayato Morikami ,  Yuki Nakaiwa ,  Keisuke Oba ,  Koji Uno ,  Takuji Watanabe

IPC: G03G15/00 ,  G03G15/01

CPC classification number: G03G15/5041 ,  G03G15/5058 ,  G03G15/0131 ,  G03G2215/00059

Abstract: A processor causes a printing portion to execute, when first conveying processing is executed, test print processing for executing processing of forming a plurality of test toner images on a sheet under a print condition that differs for each of the plurality of test toner images. The processor acquires a plurality of first sensing densities when the first conveying processing is executed. The processor causes the printing portion to execute the test print processing when second conveying processing is executed. The processor acquires a plurality of second sensing densities when the second conveying processing is executed. The processor compares the plurality of first sensing densities and the plurality of second sensing densities to adjust the print condition in the print processing when the second conveying processing is executed.

公开(公告)号：US20230080093A1

公开(公告)日：2023-03-16

申请号：US17932620

申请日：2022-09-15

Applicant: KYOCERA Document Solutions Inc.

Inventor： Keisuke Oba ,  Masaru Watanabe ,  Yasuaki Sakamoto ,  Kanako Kikuchi ,  Ayato Morikami ,  Yuki Nakaiwa ,  Koji Uno ,  Takuji Watanabe

IPC: G03G15/00

Abstract: An image forming apparatus includes a transfer processing portion, a detection processing portion, a correction processing portion, and an adjustment processing portion. The transfer processing portion transfers a detection toner image to outside an output area of a transfer object to which a toner image as an output target is transferred from an image-carrying member. The detection processing portion detects a density of the detection toner image that has been transferred to the transfer object by the transfer processing portion. The correction processing portion corrects a detection result of the detection processing portion based on an amount of toner transferred from the image-carrying member to the output area at a transfer timing when the detection toner image is transferred. The adjustment processing portion adjusts an image forming condition based on the detection result after correction by the correction processing portion.

公开(公告)号：US20230051298A1

公开(公告)日：2023-02-16

申请号：US17884421

申请日：2022-08-09

Applicant: KYOCERA Document Solutions Inc.

Inventor： Masaru Watanabe ,  Kanako Kikuchi ,  Yasuaki Sakamoto ,  Ayato Morikami ,  Yuki Nakaiwa ,  Keisuke Oba ,  Koji Uno ,  Takuji Watanabe

IPC: G03G15/043

Abstract: An image forming apparatus includes a developing current detecting portion, a control portion, and a deviation detecting portion. The developing current detecting portion detects a developing current that flows between a developing device and a photoconductor drum during development of an electrostatic latent image. The control portion causes the exposure device to form electrostatic latent images of at least two patch images at different positions from each other and at different timings from each other in a main scanning direction. The deviation detecting portion detects deviation of one of the exposure device and the photoconductor drum with respect to the other based on a detection timing at which the developing current is detected during development of the electrostatic latent images of the at least two patch images.

公开(公告)号：US10545447B2

公开(公告)日：2020-01-28

申请号：US16235078

申请日：2018-12-28

Applicant: KYOCERA Document Solutions Inc.

Inventor： Yuta Kitabayashi ,  Yoshihiro Yamagishi ,  Kenichi Kasama ,  Koji Uno ,  Nobuyuki Hayashi

IPC: G03G15/20 ,  G03G15/00

Abstract: An image forming apparatus has an image forming portion, a fixing device, a temperature sensing device, and a control portion. The fixing device has a fixing member having a heated rotary member and a pressing member forming a fixing nip by making contact with the heated rotary member. The temperature sensing device senses the surface temperature of at least one of the heated rotary member and the pressing member in a plurality of regions in the axial direction. The control portion estimates the thickness distribution of the surface layer of at least one of the heated rotary member and the pressing member in the axial direction based on the time taken for the surface temperature in the plurality of regions to reach the predetermined temperature, and thereby estimates the lifetime of at least one of the heated rotary member or the pressing member based on the estimated thickness distribution.

公开(公告)号：US09547261B2

公开(公告)日：2017-01-17

申请号：US14936218

申请日：2015-11-09

Applicant: KYOCERA Document Solutions Inc.

Inventor： Koji Uno

IPC: G03G21/00 ,  G03G15/16 ,  G03G15/01

CPC classification number: G03G15/161 ,  G03G15/0136 ,  G03G21/00 ,  G03G21/0035

Abstract: An image forming apparatus includes an image forming unit, an intermediate transfer belt, a brush roller, a drive mechanism, a contact control mechanism, and an operation control unit. The image forming unit includes a photoconductor drum, and forms a toner image on an outer circumferential surface of the photoconductor drum. The operation control unit is configured to perform a cleaning mode including cleaning the brush roller while an image forming operation is not being performed, cause the contact control mechanism to set the photoconductor drum and the intermediate transfer belt to the non-contact phase in the cleaning mode, and cause the drive mechanism, in the non-contact phase, to drive the brush roller to rotate at a rotation speed higher than a rotation speed of the brush roller in the image forming operation, and drive the intermediate transfer belt.

Abstract translation: 图像形成装置包括图像形成单元，中间转印带，刷辊，驱动机构，接触控制机构和操作控制单元。 图像形成单元包括感光鼓，并且在感光鼓的外圆周表面上形成调色剂图像。 操作控制单元被配置为执行清洁模式，包括在不执行图像形成操作的同时清洁刷辊，使得接触控制机构将感光鼓和中间转印带设置在清洁中的非接触相位 模式，并且在非接触阶段使得驱动机构以高于图像形成操作中的刷辊的旋转速度的旋转速度驱动刷辊，并驱动中间转印带。

公开(公告)号：US09366997B2

公开(公告)日：2016-06-14

申请号：US14655323

申请日：2014-10-01

Applicant: KYOCERA Document Solutions Inc.

Inventor： Koji Uno ,  Masafumi Hashimura ,  Yasuhiro Michishita ,  Tetsuya Toichi ,  Satoshi Uemura

IPC: G03G15/16 ,  G03G21/10

CPC classification number: G03G15/161 ,  G03G15/16 ,  G03G21/10 ,  G03G2215/0132

Abstract: An image forming apparatus (1) includes an image forming section (12), an intermediate transfer belt (125), a drive roller (125A), a secondary transfer roller (210), a brush section (80), a cleaning device (70), a power supply device (81), and a ground portion (82). The brush section (80) is disposed at a location downstream of the secondary transfer roller (210) in a direction of travel of the intermediate transfer belt (125) and facing the drive roller (125A) with the intermediate transfer belt (125) in between. A potential difference is applied between the brush section (80) and the secondary transfer roller (210) by the power supply device (81) and the ground portion (82), so that an electric current having the same polarity as a normal charge polarity flows from the brush section (80) through the drive roller (125A) to the secondary transfer roller (210).

Abstract translation: 图像形成装置（1）包括图像形成部（12），中间转印带（125），驱动辊（125A），二次转印辊（210），刷部（80），清洁装置 70），电源装置（81）和接地部（82）。 电刷部分（80）在中间转印带（125）的行进方向上并且与中间转印带（125）相对的驱动辊（125A）位于二次转印辊（210）下游的位置处 之间。 通过电源装置（81）和接地部（82）在电刷部（80）和二次转印辊（210）之间施加电位差，使得具有与正常充电极性相同极性的电流 从刷部（80）通过驱动辊（125A）流到二次转印辊（210）。

公开(公告)号：US08909076B2

公开(公告)日：2014-12-09

申请号：US14084421

申请日：2013-11-19

Applicant: KYOCERA Document Solutions Inc.

Inventor： Koji Uno

IPC: G03G21/00 ,  G03G21/10 ,  G03G15/00

CPC classification number: G03G21/105 ,  G03G15/50

Abstract: An image forming apparatus includes image forming portion, toner-disposal container, conveying portion, driving portion, load detection portion, image formation control portion, and image forming condition adjustment portion. The image forming condition adjustment portion corrects, when image forming condition does not conform to predetermined condition, the image forming condition. In a case where a drive load detected by the load detection portion becomes greater than first threshold value while the conveying portion is driven by the driving portion and the image forming operation is executed, the image formation control portion temporarily stops the image forming operation, and causes the image forming condition adjustment portion to check and correct the image forming condition. The image formation control portion restarts the image forming operation when, according to the image forming condition having been corrected, the drive load becomes less than second threshold value which is less than first threshold value.

Abstract translation: 图像形成装置包括图像形成部，调色剂处理容器，输送部，驱动部，负载检测部，图像形成控制部以及图像形成条件调整部。 当图像形成条件不符合预定条件时，图像形成条件调整部分校正图像形成条件。 在由驱动部分驱动输送部分并执行图像形成操作的情况下，由负载检测部分检测的驱动负载变得大于第一阈值，图像形成控制部分暂时停止图像形成操作，并且 使图像形成条件调整部分检查和校正图像形成条件。 当根据已经校正的图像形成条件，驱动负载变得小于小于第一阈值的第二阈值时，图像形成控制部分重新启动图像形成操作。

公开(公告)号：US12099311B2

公开(公告)日：2024-09-24

申请号：US18331662

申请日：2023-06-08

Applicant: KYOCERA Document Solutions Inc.

Inventor： Yasuhiro Michishita ,  Keisuke Oba ,  Koji Uno

IPC: G03G15/00 ,  G03G15/01 ,  G03G15/045 ,  G03G15/16

CPC classification number: G03G15/0121 ,  G03G15/011 ,  G03G15/045 ,  G03G15/1605 ,  G03G15/165 ,  G03G15/1665 ,  G03G15/657

Abstract: An image forming apparatus includes a plurality of image forming portions, an intermediate transfer belt, a primary transfer member, a secondary transfer roller, a counter roller, and a charge eliminating device. The counter roller is pressed against the secondary transfer roller via an intermediate transfer belt to thereby form a secondary transfer nip portion. The charge eliminating device includes a charge eliminating needle that is disposed with an end part thereof pointing to a downstream side in a conveyance direction of the recording medium, and that is grounded, and a charge eliminating needle protection cover that has a guide surface that is opposed to the recording medium having passed through the secondary transfer nip portion. The guide surface is formed of a conductive material having a resistance value of 106Ω or lower, and is in a floating state.