公开(公告)号：US20240118649A1

公开(公告)日：2024-04-11

申请号：US18479907

申请日：2023-10-03

Applicant: Konica Minolta, Inc.

Inventor： Hokuto HATANO ,  Shunichi TAKAYA ,  Kazuhiro SAITO

IPC: G03G15/20 ,  G01J3/50

CPC classification number: G03G15/2025 ,  G01J3/501

Abstract: An image forming apparatus includes: an image carrier; a solid lubricant; a lubricant application member that scrapes off the solid lubricant and applies the scraped solid lubricant to a surface of the image carrier; a colorimeter that performs colorimetry of a colorimetric surface of the solid lubricant; and a hardware processor that sets a lubricant application condition such that a predetermined amount of lubricant is applied on the basis of a colorimetric result obtained by the colorimeter.

公开(公告)号：US20170261882A1

公开(公告)日：2017-09-14

申请号：US15450406

申请日：2017-03-06

Applicant: Konica Minolta, Inc.

Inventor： Kazuhiro SAITO ,  Tomohiro KAWASAKI ,  Hiroyuki SAITO ,  Kei YUASA

IPC: G03G15/08

CPC classification number: G03G15/0848 ,  G03G15/0844 ,  G03G15/0896 ,  G03G15/5041 ,  G03G21/00 ,  G03G21/0094

Abstract: An image forming apparatus includes: an image carrier; a developing unit which supplies a toner contained in a developer to the image carrier; a lubricant supply unit which supplies a lubricant to the image carrier; a lubricant amount detection unit which detects an amount of the lubricant which is supplied to the image carrier from the lubricant supply unit and is thereafter incorporated into the developing unit from the image carrier; and a control unit which controls the developing unit to discharge the lubricant from the developing unit according to the amount of the lubricant detected by the lubricant amount detection unit.

公开(公告)号：US20140369718A1

公开(公告)日：2014-12-18

申请号：US14287785

申请日：2014-05-27

Applicant: Konica Minolta, Inc.

Inventor： Tatsuya FURUTA ,  Tomohiro KAWASAKI ,  Kazuteru ISHIZUKA ,  Kazuhiro SAITO

IPC: G03G15/08

CPC classification number: G03G15/0868 ,  G03G15/0822 ,  G03G15/0849 ,  G03G15/0865 ,  G03G15/0893 ,  G03G15/09 ,  G03G2215/0607 ,  G03G2215/0609

Abstract: A developing device includes: a developer container section configured to contain therein a two-component developer composed of toner and magnetic carrier; a developer bearing member configured to supply the developer to an image bearing member on which an electrostatic latent image is formed; a toner supplying section configured to supply the toner to the developer container section via the toner supply port; a carrier supplying section provided separately from the toner supplying section, the carrier supplying section being configured to supply the carrier to the developer container section via the carrier supply port; and a carrier detection section disposed at a position near the carrier supply port and at a same level as a powder surface of the developer contained in the developer container section, the carrier detection section being configured to detect carrier supplied from the carrier supplying section.

Abstract translation: 显影装置包括：显影剂容器部分，其构造成在其中容纳由调色剂和磁性载体组成的双组分显影剂; 显影剂承载部件，被构造成将显影剂供给到其上形成有静电潜像的图像承载部件; 调色剂供给部，其经由调色剂供给口将调色剂供给到显影剂容器部; 与所述调色剂供应部分开设置的载体供给部，所述载体供给部构造成经由所述载体供给口将所述载体供给到所述显影剂容器部; 以及载体检测部，其设置在所述载体供给口附近的位置处，与所述显影剂容纳部容纳的显影剂的粉末表面相同的高度，所述载体检测部被配置为检测从所述载体供给部供给的载体。

公开(公告)号：US20180107145A1

公开(公告)日：2018-04-19

申请号：US15724761

申请日：2017-10-04

Applicant: Konica Minolta, Inc.

Inventor： Hiroki SHIBATA ,  Wataru WATANABE ,  Keiki KATSUMATA ,  Natsuko KAWAI ,  Kazuhiro SAITO ,  Hiroshi MORIMOTO

IPC: G03G15/00

CPC classification number: G03G15/5062 ,  G03G15/065 ,  G03G15/5037 ,  G03G15/55

Abstract: An image forming apparatus includes a development current detector that detects an actual measurement value of a development current, a development current calculator that calculates a provisional calculation value of a development current based on an image formation condition, and an image-defect determiner that determines whether or not an image defect occurs, based on the actual measurement value of the development current detected by the development current detector and the provisional calculation value of the development current calculated by the development current calculator.

公开(公告)号：US20170153573A1

公开(公告)日：2017-06-01

申请号：US15338906

申请日：2016-10-31

Applicant: Konica Minolta, Inc.

Inventor： Tomohiro KAWASAKI ,  Hiroyuki SAITO ,  Kazuhiro SAITO ,  Kei YUASA

IPC: G03G15/08 ,  G03G15/01

CPC classification number: G03G8/00 ,  G03G15/0121 ,  G03G15/0865 ,  G03G15/6585

Abstract: An image forming apparatus includes: a color toner supply unit configured to supply, to a recording medium, color toner for forming a toner image on the recording medium; a transparent toner supply unit configured to supply, to the recording medium, transparent toner having no releasability from a surface member bonded to a surface of the recording medium on which the toner image is formed; and a control unit configured to control the transparent toner supply unit to supply the transparent toner to cover the color toner supplied from the color toner supply unit to the recording medium.

公开(公告)号：US20180115653A1

公开(公告)日：2018-04-26

申请号：US15784602

申请日：2017-10-16

Applicant: Konica Minolta, Inc.

Inventor： Natsuko MINEGISHI ,  Wataru WATANABE ,  Hiroshi MORIMOTO ,  Keiki KATSUMATA ,  Kazuhiro SAITO ,  Hiroki SHIBATA ,  Daiki WATANABE

IPC: H04N1/00 ,  G06K15/12

CPC classification number: H04N1/00018 ,  G03G15/5041 ,  G06K15/128 ,  G06T7/0004 ,  G06T2207/30144 ,  H04N1/00185

Abstract: An image forming apparatus includes a plurality of image formers each capable of forming, on a sheet, an overlap image and a non-overlap image, a fixer that fixes, on the sheet, a whole image composed of the overlap images and the non-overlap images, and a hardware processor that controls each of the plurality of image formers such that a difference in image at a boundary between the overlap image and the non-overlap image is reduced in the whole image.

公开(公告)号：US20160124343A1

公开(公告)日：2016-05-05

申请号：US14880872

申请日：2015-10-12

Applicant: Konica Minolta, Inc.

Inventor： Shota SAKURAI ,  Tatsuya FURUTA ,  Kazuhiro SAITO ,  Kazuteru ISHIZUKA ,  Tomohiro KAWASAKI

IPC: G03G15/08

CPC classification number: G03G15/5058 ,  G03G15/0849 ,  G03G15/105 ,  G03G2215/0135 ,  G03G2215/0164

Abstract: An image forming apparatus includes: a rotatable image carrier; an image forming unit configured to form a plurality of divided patch images, which is obtained by dividing a patch image for detecting a concentration of an image in a rotation direction of the image carrier, on the image carrier at regular intervals and form an image to be formed on a paper sheet on the image carrier; a concentration detecting unit configured to detect the concentration of the plurality of divided patch images formed by the image forming unit; and a controller configured to combine the concentration of divided patch images detected by the concentration detecting unit in chronological order and detect concentration unevenness of the image in the vertical scanning direction which is a paper sheet conveying direction of the paper sheet.

Abstract translation: 图像形成装置包括：可旋转图像载体; 图像形成单元，被配置为形成多个分割图像，其通过将用于检测图像载体的旋转方向上的图像的浓度的斑块图像以规则间隔划分在图像载体上并形成图像而获得 形成在图像载体上的纸张上; 浓度检测单元，被配置为检测由所述图像形成单元形成的所述多个分割补片图像的浓度; 以及控制器，被配置为按照时间顺序组合由浓度检测单元检测的分割补片图像的浓度，并检测作为纸张的纸张输送方向的垂直扫描方向上的图像的浓度不均匀。

公开(公告)号：US20140161472A1

公开(公告)日：2014-06-12

申请号：US14104557

申请日：2013-12-12

Applicant: Konica Minolta, Inc.

Inventor： Kazuhiro SAITO ,  Tomohiro KAWASAKI ,  Kazuteru ISHIZUKA ,  Tatsuya FURUTA ,  Seiko ITAGAKI

IPC: G03G15/08

CPC classification number: G03G15/0824 ,  G03G15/0849 ,  G03G15/0856 ,  G03G15/5058 ,  G03G2215/0132 ,  G03G2215/0164

Abstract: Disclosed herein is a developing device including: a developer housing section configured to house a developer including toner and carrier; a carrier replenishing section configured to supply the carrier to the developer housing section; a carrier concentration detecting section provided at a position near a carrier replenishment position at which the carrier is received from the carrier replenishing section in the developer housing section, the carrier concentration detecting section being configured to detect a carrier concentration in the developer housing section; and a carrier replenishment determination section configured to determine whether the carrier is properly supplied to the developer housing section on the basis of a result of detecting by the carrier concentration detecting section.

Abstract translation: 本文公开了一种显影装置，包括：显影剂容纳部分，其构造成容纳包含调色剂和载体的显影剂; 载体补充部，其构造成将所述载体供给到所述显影剂容纳部; 载体浓度检测部，其设置在载体补充位置附近的位置，在所述载体补充位置，载体从所述载体补充部在所述显影剂容纳部中接收，所述载流子浓度检测部被配置为检测所述显影剂容纳部的载流子浓度; 以及载体补充确定部分，被配置为基于载体浓度检测部分的检测结果来确定载体是否被适当地供应到显影剂容纳部分。