Patents Examined by Jessica L Eley
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Patent number: 11454917Abstract: An image forming apparatus includes an image bearer, a protectant applicator, a heating device, and a protectant biasing member. The protectant applicator applies protectant to the image bearer. The heating device includes a heater including a base, a heat generator, an electrode, and a conductor coupling the heat generator to the electrode. The heater has a first position and a second position having a higher temperature than the first position. These are symmetrical to each other with respect to a longitudinal center of a heat generation area of the heater. The protectant biasing member biases the protectant to the protectant applicator with a first biasing force at a position closer to the first position than to the second position and with a second biasing force larger than the first biasing force at a position closer to the second position than to the first, and the protectant contacts the protectant applicator.Type: GrantFiled: June 2, 2021Date of Patent: September 27, 2022Assignee: RICOH COMPANY, LTD.Inventors: Kenji Yabe, Yuusuke Furuichi, Tomoya Adachi
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Patent number: 11454909Abstract: In a fixing device according to the disclosure, a first surface of a restriction member is inclined so that, as the first surface goes further away from a nip portion, the first surface inclines toward a direction coming closer to an edge surface of the film, and the first surface is inclined so that, as the first surface comes downstream in the conveying direction, the first surface inclines toward a direction going further away from the edge surface of the film. A second surface is inclined so that, as the second surface comes closer to a center in the rotational axis direction of the film, the second surface inclines toward a direction coming closer to a roller, and inclines in a direction going downstream in the conveying direction.Type: GrantFiled: November 11, 2021Date of Patent: September 27, 2022Assignee: CANON KABUSHIKI KAISHAInventors: Hikaru Osada, Toru Imaizumi
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Patent number: 11442395Abstract: A transfer belt unit includes a belt frame, a transfer belt, a storage element, an electrical contact surface, a pressing member, and a holder. The storage element stores therein information on the transfer belt. The electrical contact surface is electrically connected to the storage element. The pressing member presses the electrical contact surface in a pressing direction. The holder is positioned at the belt frame and holds the electrical contact surface. The holder is movable relative to the belt frame in a direction crossing the pressing direction.Type: GrantFiled: July 19, 2021Date of Patent: September 13, 2022Assignee: BROTHER KOGYO KABUSHIKI KAISHAInventor: Shuhei Hatano
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Patent number: 11442402Abstract: A method of converting a CMYK toner printer to print with a white toner, comprising the steps: providing a CMYK toner printer; wherein the toner printer has four printing cartridges; wherein the four printing cartridges comprise a black toner printing cartridge, a cyan toner printing cartridge, a magenta toner printing cartridge, and a yellow toner printing cartridge; removing the black toner printing cartridge from the toner printer, such that there is an empty toner cartridge slot; providing a white toner printing cartridge that is filled with a white toner; installing the white toner printing cartridge into the empty toner cartridge slot; and providing raster image processor (RIP) software, such that the printer is able to incorporate the white toner into one or more images printed by the printer.Type: GrantFiled: May 26, 2021Date of Patent: September 13, 2022Assignee: UI Technologies, Inc.Inventors: Michael Raymond Josiah, Joseph Dovi
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Patent number: 11433684Abstract: A print apparatus is disclosed. The print apparatus comprises a container-receiving unit for receiving a reusable print agent container; a print agent reservoir for storing print agent to be consumed by the print apparatus during a printing operation; a pump for transferring print agent between a reusable print agent container positioned in the container-receiving unit and the print agent reservoir; and processing circuitry. The processing circuitry is to operate the pump to transfer print agent of a first concentration from the reusable print agent container to the print agent reservoir; and, responsive to determining that a volume of print agent of the first concentration in the reusable print agent container has fallen below a threshold volume, operate the pump to transfer a volume of print agent of a second, lower concentration from the print agent reservoir to the reusable print agent container. A method and a machine-readable medium are also disclosed.Type: GrantFiled: August 22, 2018Date of Patent: September 6, 2022Assignee: Hewlett-Packard Development Company, L.P.Inventors: Peter Nedelin, Mark Sandler, Assaf Pines, Shai Lior
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Patent number: 11422497Abstract: An image forming apparatus includes a photosensitive member; an exposure portion configured to expose the photosensitive member to light depending on image information to form a latent image on the photosensitive member; a developing portion configured to develop the latent image into a toner image with toner; and a transfer portion configured to transfer the toner image from the photosensitive member onto a recording material. The image forming apparatus changes a surface movement speed of the photosensitive member at timing prior to predetermined timing, when a moving speed of a recording material at the transfer portion changes, by a predetermined time.Type: GrantFiled: September 24, 2021Date of Patent: August 23, 2022Assignee: Canon Kabushiki KaishaInventors: Ai Suzuki, Masashi Tanaka, Shoichiro Ikegami, Kensuke Umeda, Sho Taguchi
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Patent number: 11415905Abstract: An image forming apparatus includes: a first rotatable member; a second rotatable member that presses against the first rotatable member in a pressed state and separates from the first rotatable member in a separated state; and a hardware processor that sets a target speed of the second rotatable member based on a change in speed of the second rotatable member between a first speed in the separated state and a second speed in the pressed state.Type: GrantFiled: June 1, 2021Date of Patent: August 16, 2022Assignee: Konica Minolta, Inc.Inventors: Satoshi Nishida, Nobuhiko Okano, Hiroshi Yamaguchi, Yujiro Ishida
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Patent number: 11415922Abstract: An image forming system comprises first and second sheet feeding trays and first and second inserter trays. If sheets that are loaded in the first inserter tray run out during execution of a job in which a sheet feeding source of an insertion sheet is set to the first inserter tray, the system switches from the first inserter tray to the second inserter tray and continues execution of the job. If sheets that are loaded in the second sheet feeding tray run out during execution of a job in which a sheet feeding source is set to the second sheet feeding tray, the system temporarily stops execution of the job without switching from the second sheet feeding tray to another tray.Type: GrantFiled: December 10, 2019Date of Patent: August 16, 2022Assignee: Canon Kabushiki KaishaInventor: Toru Wakana
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Patent number: 11409211Abstract: In one example of the disclosure, a first transfer of ink is made from a photoconductor to a blanket in contact with the photoconductor. The blanket is to cycle along a path. The first transfer occurs at a first arc of the blanket path. A second transfer of the ink is made from the blanket to a media in contact with the blanket. The second transfer occurs at a second arc of the blanket path. A heat source located adjacent to a third arc of the blanket path is utilized to heat an external surface of the blanket. The heating is to occur following the second transfer of the ink.Type: GrantFiled: October 8, 2020Date of Patent: August 9, 2022Assignee: HP Indigo B.V.Inventors: Peter Nedelin, Mark Sandler, Shai Lior
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Patent number: 11409217Abstract: An image forming apparatus includes a controller configured to control a conveyance portion to apply a first suction force to a circumferential surface while conveying a sheet from a transfer portion to a fixing portion by a conveyance portion. The controller is configured to execute a first switching process of switching the suction force applied to the circumferential surface from the first suction force to the second suction force while rotating the belt, in a case where a leading end of the sheet has reached the fixing nip portion in a state in which the sheet is nipped by the transfer nip portion.Type: GrantFiled: May 12, 2021Date of Patent: August 9, 2022Assignee: CANON KABUSHIKI KAISHAInventor: Sho Matsui
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Patent number: 11409209Abstract: An example operation method of an image forming apparatus includes obtaining, from a sensor, an output signal corresponding to a degree of shrinkage of a transporting member that transports a developing agent in a toner cartridge, as the transporting member rotates, determining a state of the toner cartridge based on a characteristic of the output signal, and executing a recovery mode that increases a driving force delivered to the transporting member when determining that the state of the toner cartridge is an abnormal state in which toner is not normally supplied to a developing device.Type: GrantFiled: March 27, 2020Date of Patent: August 9, 2022Assignee: Hewlett-Packard Development Company, L.P.Inventors: Jeongsup Sim, Sunghi Lee, Hyojoong Kim, Minwoo Kang
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Patent number: 11409207Abstract: A method of converting a CMYW toner printer to print with one or more non-standard toners, comprising the steps: providing a CMYW toner printer; wherein the CMYW toner printer has four starting toner printing cartridges; wherein the four starting toner printing cartridges comprise a white toner printing cartridge, a cyan toner printing cartridge, a magenta toner printing cartridge, and a yellow toner printing cartridge; removing one or more of the four starting toner printing cartridges from the CMYW toner printer, such that there are one or more empty toner cartridge slots; providing one or more non-standard toner printing cartridges that are each filled with one type of one or more non-standard toners; and installing the one or more non-standard toner printing cartridges into the one or more empty toner cartridge slots.Type: GrantFiled: October 23, 2020Date of Patent: August 9, 2022Assignee: UI Technologies, Inc.Inventors: Michael Raymond Josiah, Joseph Dovi
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Patent number: 11402796Abstract: A developing cartridge for use with a drawer including a photosensitive drum and an electric terminal. The developing cartridge includes a casing, a developing roller, a storage medium and a holder. The casing is configured to accommodate developing agent therein. The developing roller is rotatable about an axis extending in a first direction. The developing roller is movable with the casing. The storage medium has an electrical contact surface. The holder holds the electrical contact surface and is movable with the casing. The casing is movable relative to the drawer in accordance with movement of the drawer from a first position in which developing roller is separated from the photosensitive drum and the electrical contact surface is separated from the electric terminal to a second position in which the developing roller is in contact with the photosensitive drum and the electrical contact surface is in contact with the electric terminal.Type: GrantFiled: June 3, 2020Date of Patent: August 2, 2022Assignee: BROTHER KOGYO KABUSHIKI KAISHAInventor: Yuwen Wang
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Patent number: 11402797Abstract: A process cartridge removably disposed in an imaging device provided with a rotational force output head. The process cartridge (100) includes a cartridge body, a rotation component having a rotation axis L1, and a driving force receiving assembly. The driving force receiving assembly is disposed at an end of the cartridge body, and includes a rotational force receiving member and a position adjusting mechanism. The rotational force receiving member is provided with a rotational force receiving portion, a connection portion, and a rotational force transmitting portion. The position adjusting mechanism enables the rotational force receiving member to rotate in a preset direction.Type: GrantFiled: August 2, 2019Date of Patent: August 2, 2022Assignee: ZHUHAI UN-TERN IMAGING PRODUCTS CO., LTDInventor: Wenyi Fan
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Patent number: 11402787Abstract: A medium conveying apparatus includes a plurality of feed rollers spaced in a direction perpendicular to a medium conveying direction, each of the feed rollers rotating independently at a respective speed to feed a medium, a plurality of brake rollers, each of the plurality of brake rollers being located to face a corresponding one of the plurality of feed rollers, a plurality of torque limiters separately provided between one of rotation shafts of the plurality of brake rollers and a corresponding one of the plurality of brake rollers, and a processor to detect a skew of the medium, and correct the skew of the medium by changing the speed of one of the plurality of feed rollers when the skew of the medium is detected.Type: GrantFiled: June 10, 2021Date of Patent: August 2, 2022Assignee: PFU LIMITEDInventors: Takayuki Umi, Shigeharu Okano
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Patent number: 11402777Abstract: According to examples, an apparatus may include a fusing component and a heater disposed in the fusing component. The heater may include a substrate having a first surface and a second surface, a first heating element having a first length attached to the first surface of the substrate, and a second heating element having a second length attached to the second surface of the substrate, the second length differing from the first length.Type: GrantFiled: October 26, 2018Date of Patent: August 2, 2022Assignee: Hewlett-Packard Development Company, L.P.Inventors: Bartley Mark Hirst, Mark J. Wibbels
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Patent number: 11402771Abstract: In one aspect an apparatus for use in an electrographic printer is described. The apparatus includes a housing defining a cavity, a developer roller, a developer electrode for developing printing substance onto the developer roller, the electrode being arranged within the cavity, and a heater for heating printing substance to be developed onto the developer roller, the heater being arranged in the cavity.Type: GrantFiled: April 14, 2021Date of Patent: August 2, 2022Assignee: HP Indigo B.V.Inventors: Shachar Berger, Shmuel Borenstain, Regina Guslitzer, Gregory Katz
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Patent number: 11402782Abstract: An image forming apparatus, including: a housing; a photoconductor; a developing unit configured to form a developer image on the photoconductor; a developer cartridge storing developer, the cartridge being removably mountable on the housing, a supplier configured to supply the developer from the developer cartridge to the developing unit; and a controller configured to execute a first printing process of forming a developer image by use of the developer supplied from the developer cartridge, when the developer cartridge is being mounted on the housing, and a second printing process of forming a developer image by use of the developer remaining in the developing unit, when a usage amount of the developing unit is not less than a predetermined value and the developer cartridge is not being mounted on the housing, wherein the controller does not execute the second printing process when the usage amount is less than the predetermined value.Type: GrantFiled: April 19, 2021Date of Patent: August 2, 2022Assignee: BROTHER KOGYO KABUSHIKI KAISHAInventors: Tomoyasu Yabuki, Yoshifumi Kajikawa, Takashi Suzuki, Takashi Yasuda, Takashi Shimizu
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Patent number: 11402790Abstract: An imaging system includes a main body to accommodate a roller, and a lubricant unit. The lubricant unit includes a casing having an opening and a lubricant storage disposed inside the casing to store a lubricant. The casing is pivotably connected to the main body to displace the casing between a closed position and an open position. In the closed position, the lubricant storage is positioned to bring the lubricant in contact with the roller through the opening, and the pivotable connection is disposed below the casing. In the open position, the opening is exposed to an outside of the main body, and the opening of the casing is disposed upward.Type: GrantFiled: April 16, 2019Date of Patent: August 2, 2022Assignee: Hewlett-Packard Development Company, L.P.Inventors: Katsushi Higashida, Yasuyuki Ishii, Hiroyuki Sato, Koichiro Takashima
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Patent number: 11402766Abstract: A toner cartridge according to one example embodiment includes a reservoir for holding toner. An outlet is positioned on a front of the toner cartridge for exiting toner from the toner cartridge. First, second and third electrical contacts are positioned on a first side of the toner cartridge for contacting corresponding first, second and third electrical contacts in an image forming device. Each of the first, second and third electrical contacts of the toner cartridge is electrically connected to a respective imaging component positioned on the toner cartridge. The first, second and third electrical contacts of the toner cartridge are positioned such that an imaginary line that angles downward in a direction from a rear of the toner cartridge toward the front of the toner cartridge passes through the first, second and third electrical contacts of the toner cartridge.Type: GrantFiled: December 1, 2020Date of Patent: August 2, 2022Assignee: Lexmark International, Inc.Inventors: Brian Scott Carpenter, Gregory Alan Cavill, Jeffrey Lawrence Tonges