公开(公告)号：US20160179046A1

公开(公告)日：2016-06-23

申请号：US14972430

申请日：2015-12-17

Applicant: KONICA MINOLTA, INC.

Inventor： Kunitomo SASAKI ,  Kazuko FUKUMOTO ,  Yuji KAMODA ,  Yasuo SHIRODAI ,  Yuya SATO

IPC: G03G21/00

CPC classification number: G03G21/0094

Abstract: An image forming apparatus includes: an image carrier; a development unit configured to develop, as a toner image, an electrostatic latent image formed on the image carrier; a transfer unit configured to transfer the toner image to a medium to which a toner image is to be transferred; a cleaning unit configured to recover toner remaining on the image carrier after transferring the toner image; a lubricant supply unit configured to supply lubricant on the image carrier; a charge unit disposed between the development unit and the cleaning unit, along a surface of the image carrier; and a control unit configured to perform a first mode and a second mode, the first mode configured to form the toner image, the second mode configured to allow the charge unit to increase the amount of charge on toner reaching the cleaning unit relative to that in the first mode.

Abstract translation: 图像形成装置包括：图像载体; 显影单元，被配置为显影形成在所述图像载体上的静电潜像作为调色剂图像; 传送单元，被配置为将调色剂图像转印到要转印调色剂图像的介质; 清洁单元，被配置为在转印调色剂图像之后恢复残留在图像载体上的调色剂; 润滑剂供给单元，其构造成在所述图像载体上供给润滑剂; 设置在所述显影单元和所述清洁单元之间的充电单元沿着所述图像载体的表面; 以及控制单元，被配置为执行第一模式和第二模式，第一模式被配置为形成调色剂图像，第二模式被配置为允许充电单元增加到达清洁单元的调色剂上的电荷量相对于 第一种模式。

公开(公告)号：US20160209800A1

公开(公告)日：2016-07-21

申请号：US14995746

申请日：2016-01-14

Applicant: Konica Minolta, Inc.

Inventor： Kazuko FUKUMOTO ,  Yuji KAMODA ,  Yasuo SHIRODAI ,  Yuya SATO ,  Kunitomo SASAKI

IPC: G03G21/00

CPC classification number: G03G21/0094

Abstract: An image forming apparatus includes: an image bearing body; a developing unit which develops an electrostatic latent image formed on the image bearing body as a toner image; a transfer unit which transfers the toner image to a receiver medium; a cleaning member which collects residual toner on the image bearing body; a lubricant supply unit which supplies lubricant onto the image bearing body; a measurement unit which measures a static frictional force generated between the image bearing body and the cleaning member; and a control unit which corrects the amount of lubricant on the image bearing body, wherein the control unit estimates a state of the lubricant on the image bearing body based on a change between a first and a second static frictional force, and based on the estimated state, the control unit selectively executes one of processing of supplying lubricant and processing of removing lubricant.

Abstract translation: 图像形成装置包括：图像承载体; 显影单元，其将形成在图像承载体上的静电潜像显影为调色剂图像; 转印单元，其将调色剂图像转印到接收介质; 清洁部件，其收集图像承载体上的残留调色剂; 润滑剂供应单元，其将润滑剂供应到图像承载体上; 测量单元，其测量在所述图像承载体和所述清洁构件之间产生的静摩擦力; 以及控制单元，其校正图像承载体上的润滑剂的量，其中，所述控制单元基于第一和第二静摩擦力之间的变化估计图像承载体上的润滑剂的状态，并且基于估计的 状态，控制单元选择性地执行润滑剂的供给处理和润滑剂的除去处理。

公开(公告)号：US20140205308A1

公开(公告)日：2014-07-24

申请号：US14156942

申请日：2014-01-16

Applicant: Konica Minolta, Inc.

Inventor： Yuji KAMODA ,  Junya Hirayama ,  Shigeo Uetake ,  Toshiya Natsuhara

IPC: G03G15/20

CPC classification number: G03G15/2021 ,  G03G15/205 ,  G03G2215/00805

Abstract: An image forming apparatus includes a noncontact heating device, a pressurizing and heating mechanism, and a control unit. The control unit switches an operation of the pressurizing and heating mechanism based on gloss level information of a recording medium. According to the image forming apparatus, assuming that a temperature of the recording medium after noncontact heating is T1, a temperature of the recording medium after pressurizing and heating is T2 and a toner concentration after noncontact heating is Tc1 when the gloss level information shows high gloss, and assuming that a temperature of the recording medium after noncontact heating is T3 and a toner concentration after noncontact heating is Tc2 when the gloss level information shows low gloss, the conditions of T1

Abstract translation: 图像形成装置包括非接触加热装置，加压加热机构和控制单元。 控制单元基于记录介质的光泽度信息来切换加压和加热机构的操作。 根据图像形成装置，假设非接触加热后的记录介质的温度为T1，加压加热后的记录介质的温度为T2，当光泽度信息显示高光泽时，非接触加热后的调色剂浓度为Tc1 ，并且假设非接触加热后的记录介质的温度为T3，当光泽度信息显示低光泽时，非接触加热后的调色剂浓度为Tc2，则满足T1

公开(公告)号：US20200073297A1

公开(公告)日：2020-03-05

申请号：US16534325

申请日：2019-08-07

Applicant: Konica Minolta Inc.

Inventor： Yuji KAMODA ,  Shota SAKURAI ,  Hiroyuki SAITO ,  Tatsuya FURUTA

IPC: G03G15/20 ,  G03G15/08 ,  G03G15/02

Abstract: An image forming apparatus includes: an image carrier rotatably supported; a lubricant supplier that supplies lubricant to a surface of the image carrier, a blade that levels the lubricant supplied from the lubricant supplier in a film-like form on the surface of the image carrier, and a controller that controls image formation, wherein the controller has a lubricant removal mode to remove the lubricant accumulated on the blade, the lubricant removal mode includes a plurality of displacement modes each of which imparts different displacement to the blade, in each of the displacement modes, one of a displacement amount, a displacement speed, a displacement period, a displacement angle, and a displacement position of the blade is different, and the controller performs switching between the displacement modes during execution of the lubricant removal mode.

公开(公告)号：US20160070212A1

公开(公告)日：2016-03-10

申请号：US14840172

申请日：2015-08-31

Applicant: Konica Minolta, Inc.

Inventor： Yuji KAMODA ,  Junya HIRAYAMA ,  Shigeo UETAKE ,  Tomohiko MASUDA

IPC: G03G15/20

CPC classification number: G03G15/2007 ,  G03G15/2021 ,  G03G2215/2006

Abstract: A fixing device includes: a non-contact heating portion that includes at least one non-contact heating unit which heats a toner image on a sheet; and a pressurizing and heating unit that is provided downstream in a sheet transport direction with respect to the non-contact heating portion and that pressurizes and heats the toner image. A time from a first point of time when the toner image reaches a toner melting temperature by heating of the non-contact heating portion to a second point of time when the toner image enters the pressurizing and heating unit is set equal to or more than a predetermined time. The predetermined time is a time when a ratio between the weight of the toner in the toner image before the entrance and the sum of the weight of the toner and the weight of the carrier liquid is equal to or more than 70%.

Abstract translation: 定影装置包括：非接触加热部分，其包括加热片材上的调色剂图像的至少一个非接触加热单元; 以及加压加热单元，其相对于非接触加热部在片材输送方向的下游设置并加压和加热调色剂图像。 当调色剂图像通过加热非接触加热部分达到调色剂熔融温度的第一时间点到调色剂图像进入加压单元的第二时间点的时间被设定为等于或大于 预定时间 预定时间是入口之前的调色剂图像中的调色剂的重量与调色剂的重量和载体重量之和的比例等于或大于70％的时间。