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公开(公告)号：US11815850B2
公开(公告)日：2023-11-14
申请号：US17968206
申请日：2022-10-18
发明人： Koji Arimura , Naoyuki Yamamoto , Kenichiro Kitajima , Shuichi Tamura , Ryota Fujioka , Yoshiro Tsukada , Shohei Okumura , Takahiro Suzuki
CPC分类号： G03G8/00 , G03G15/2032
摘要： An image forming system includes an image forming apparatus, a varnish application apparatus, and a controller. When the image forming apparatus is in a standby state and preheating of varnish in a tank by a heater is completed, if an image forming job of forming a toner image on a first recording material and applying varnish thereto by a varnish coater is received, the controller controls a guide member to guide the first recording material to a first conveyance path. When the image forming apparatus is in a standby state and preheating of varnish in the tank by the heater is not completed, if an image forming job of forming a toner image on a second recording material and not applying varnish thereto by the varnish coater is received, the controller controls the guide member to guide the second recording material to a second conveyance path.
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公开(公告)号：US11772408B2
公开(公告)日：2023-10-03
申请号：US17498847
申请日：2021-10-12
IPC分类号： B42D25/46 , B42D25/455 , B42D15/08
CPC分类号： B42D25/46 , B42D15/085 , B42D25/455
摘要： An image forming system includes an image forming apparatus, a pressure sealing processing apparatus, and a control unit. The control unit is configured to permit execution of the pressure sealing processing process by the pressure sealing processing apparatus on a recording material of which a grammage is smaller than a predetermined grammage, and is configured not to permit execution of the pressure sealing processing process by the pressure sealing processing apparatus on a recording material of which a grammage is equal to or more than the predetermined grammage.
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公开(公告)号：US20230127053A1
公开(公告)日：2023-04-27
申请号：US17968224
申请日：2022-10-18
发明人： Koji Arimura , Naoyuki Yamamoto , Kenichiro Kitajima , Shuichi Tamura , Ryota Fujioka , Yoshiro Tsukada , Shohei Okumura , Takahiro Suzuki
IPC分类号： G03G15/20
摘要： An image forming system includes an image forming apparatus, a varnish application apparatus, and a controller. The varnish application apparatus includes a varnish application unit configured to apply varnish to a recording material, a first conveyance unit configured to convey a recording material in a first conveyance path that passes through the varnish application unit, and a second conveyance unit configured to convey a recording material in a second conveyance path that does not pass through the varnish application unit. When failure is occurred to one or both of the varnish application unit and the first conveyance unit and failure is not occurred to the second conveyance unit, the controller is configured to permit execution of the second image forming job and to convey a recording material by the second conveyance unit in the varnish application apparatus.
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公开(公告)号：US10908538B2
公开(公告)日：2021-02-02
申请号：US16124499
申请日：2018-09-07
发明人： Shohei Okumura
摘要： An image forming apparatus includes an image bearing member; a transfer member configured to form a transfer portion where the toner image is transferred from the image bearing member by being supplied with a transfer bias; a carrier liquid supplying portion configured to supply the carrier liquid to the transfer portion; a transfer bias voltage source capable of applying the transfer bias to the transfer portion; a detecting portion configured to detect at least one of a voltage and a current at the transfer portion; and a setting portion configured to set the transfer bias during non-image-formation on the basis of a detection result of the detecting portion when a setting bias is applied from the transfer member in a state in which the carrier liquid is in the transfer portion.
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公开(公告)号：US10578995B2
公开(公告)日：2020-03-03
申请号：US16411453
申请日：2019-05-14
发明人： Shohei Okumura
IPC分类号： G03G15/16
摘要： An image forming apparatus can adjust a liquid amount of a carrier liquid layer formed on an intermediary transfer belt depending on an image forming mode.In a case of a full-color mode, a controller sets an operation mode of a liquid amount adjusting device at a “removal mode” . In a case of a monochromatic mode, the controller sets the operation mode at a “supply mode”. In the removal mode, a carrier liquid in the carrier liquid tank is not carried on a feeding roller, so that the carrier liquid is removed from the belt by the feeding roller. In the supply mode, the carrier liquid drawn up from the carrier liquid tank by a supplying roller is supplied to the belt via the feeding roller
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公开(公告)号：US20190146390A1
公开(公告)日：2019-05-16
申请号：US16183765
申请日：2018-11-08
发明人： Shohei Okumura
摘要： An image forming apparatus includes: an image bearing member 1 which bears an image; a developing device 4 which includes a developing roller 41 bearing a liquid developer containing a toner and a carrier liquid and develops a latent image formed on the image bearing member; an intermediate transfer belt 91 to which a toner image formed on the image bearing member is transferred; a cleaning roller 11a which is applied a cleaning bias and configured to abut on the intermediate transfer belt and is made of a metal to collect a toner remaining on the intermediate transfer belt; a blade 11b which is provided to be able to abut on and be separated from the cleaning roller and is made of a metal to remove the liquid developer collected by the cleaning roller; a separation mechanism which makes the blade abut on and be separated from the cleaning roller; and a controller 200 which controls the separation mechanism to make the blade abut on the intermediate transfer belt after the carrier liquid from the developing roller is supplied to the image bearing member, according to a start of an image formation.
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公开(公告)号：US11733631B2
公开(公告)日：2023-08-22
申请号：US17868193
申请日：2022-07-19
IPC分类号： G03G15/00
CPC分类号： G03G15/5041 , G03G15/5062
摘要： An image forming apparatus includes an image forming unit configured to convey a recording medium and form an image on the recording medium based on an image forming condition; and a controller configured to control the image forming unit to form a test image and a scale image extending in a conveyance direction in which the recording medium is conveyed, obtain user instruction information related to a density fluctuation of the test image in the conveyance direction, and generate the image forming condition to suppress image density unevenness in the conveyance direction in an image to be formed by the image forming unit based on the user instruction information.
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公开(公告)号：US20230145679A1
公开(公告)日：2023-05-11
申请号：US17979934
申请日：2022-11-03
CPC分类号： G03G15/0283 , G03G15/5037 , G03G15/5041 , G03G2215/00037 , G03G2215/0164
摘要： An image forming apparatus is configured to control a generation circuit to modulate a DC component of a developing voltage based on a first correction component such that a density unevenness is reduced. The image forming apparatus is further configured to restrict the first correction component for modulating the DC component of the developing voltage such that fogging of toner that may occur on a non-exposure region which is not exposed by an exposure unit and adhesion to a photosensitive member of carrier included in a developer are reduced.
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公开(公告)号：US11086254B2
公开(公告)日：2021-08-10
申请号：US16880735
申请日：2020-05-21
发明人： Shohei Okumura
摘要： An image forming apparatus includes an image bearing member on which a toner image is formed by a liquid developer containing a toner particle and a carrier liquid, an intermediate transfer belt onto which the toner image is transferred, and a transfer member configured to transfer the toner image from the image bearing member onto the intermediate transfer belt. The transfer member is made of a metal, and the transfer member abuts against the image bearing member with the intermediate transfer belt nipped therebetween.
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公开(公告)号：US10331067B2
公开(公告)日：2019-06-25
申请号：US15956950
申请日：2018-04-19
发明人： Shohei Okumura
摘要： An image forming apparatus includes an image bearing member configured to bear a toner image formed using a liquid developer containing toner particles and a carrier liquid, a transfer member, an input portion into which information on a kind of a recording material is inputted, an adjusting device configured to adjust an amount of the carrier liquid of the toner image, and an executing portion configured to execute an operation of the adjusting device depending on the information when the toner image is in the adjusting position. The executing position executes either of a plurality of operations including a first operation in which the amount of the carrier liquid of the toner image is increased, a second operation in which the amount of the carrier liquid is decreased, and a third operation in which the amount of the carrier liquid is not adjusted.
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