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公开(公告)号：US11467533B2
公开(公告)日：2022-10-11
申请号：US17380647
申请日：2021-07-20
发明人： Shunsuke Hachiya , Masaaki Wakizaka , Kentaro Aoyama , Shinta Sugiura , Toshinori Araki , Keita Inoue
摘要： An image forming apparatus includes a housing, a drawer, an operation panel, and a sensor. The housing includes a first side wall having a first opening, and a second side wall having a vent and extending in a direction crossing the first side wall. The drawer supports a cartridge. The drawer is movable through the first opening between an inner position at which the drawer is accommodated in the housing and an outer position at which a part of the drawer is exposed to outside the housing. At least part of the operation panel protrudes from an outer surface of the second side wall. The sensor is arranged in the housing between the drawer and the second side wall. The sensor is configured to detect at least temperature or humidity of ambient air taken in through the vent.
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公开(公告)号：US11237518B2
公开(公告)日：2022-02-01
申请号：US16986365
申请日：2020-08-06
发明人： Toshinori Araki , Tatsuro Yokoi , Seiya Sato , Shinta Sugiura , Koji Akagi , Masaaki Wakizaka , Keita Inoue , Osamu Takahashi
摘要： An image forming apparatus includes a main body, a drum cartridge removably attached to the main body, and a belt unit removably attached to the main body. The main body includes a drum power supply, a belt power supply, and a controller configured to start supplying power from the drum power supply to a drum memory of the drum cartridge, start supplying power from the belt power supply to a belt memory of the belt unit, stop supplying the power from the drum power supply to the drum memory after starting supplying the power from the drum power supply to the drum memory, and stop supplying the power from the belt power supply to the belt memory after starting supplying the power from the belt power supply to the belt memory.
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公开(公告)号：US11762332B2
公开(公告)日：2023-09-19
申请号：US17571676
申请日：2022-01-10
发明人： Toshinori Araki , Tatsuro Yokoi , Seiya Sato , Shinta Sugiura , Koji Akagi , Masaaki Wakizaka , Keita Inoue , Osamu Takahashi
CPC分类号： G03G21/1878 , G03G15/5004
摘要： An image forming apparatus includes a main body, a drum cartridge removably attached to the main body, and a belt unit removably attached to the main body. The main body includes a drum power supply, a belt power supply, and a controller configured to start supplying power from the drum power supply to a drum memory of the drum cartridge, start supplying power from the belt power supply to a belt memory of the belt unit, stop supplying the power from the drum power supply to the drum memory after starting supplying the power from the drum power supply to the drum memory, and stop supplying the power from the belt power supply to the belt memory after starting supplying the power from the belt power supply to the belt memory.
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公开(公告)号：US11762311B2
公开(公告)日：2023-09-19
申请号：US17852760
申请日：2022-06-29
发明人： Masaaki Wakizaka , Shinta Sugiura , Shunsuke Aiba , Keita Inoue
CPC分类号： G03G15/0863
摘要： A drum unit detachably attachable to an image forming apparatus includes: a frame; a photosensitive drum; a toner cartridge including a toner casing and a toner memory; a connector electrically connected to the image forming apparatus; and a relay board electrically relaying the toner memory and the connector. The toner memory performs communication according to a standard that sets a value of data on a basis of a voltage for data communication at a timing when a prescribed period of time has elapsed since the voltage has made a prescribed change. The toner memory consists of three terminals as electrical contacts. The three terminals are a power supply terminal for supplying a supply voltage to the toner memory, a ground terminal, and a data terminal for communication of data to be written into the toner memory and data to be read from the toner memory.
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公开(公告)号：US11415929B2
公开(公告)日：2022-08-16
申请号：US17181146
申请日：2021-02-22
发明人： Osamu Takahashi , Masaaki Wakizaka , Kentaro Aoyama , Shunsuke Hachiya , Toshinori Araki , Keita Inoue , Shinta Sugiura
摘要： A high-voltage electrical circuit board is located in a first region that is a region at one side of photosensitive drums in a first direction and outside of the photosensitive drums in the first direction. A first motor drives a conveyance mechanism. A second motor is located in a second region and drives each photosensitive drum. A third motor is located in the second region and drives each developing roller to rotate and to drive a separation mechanism configured to individually move the developing rollers between a contact position and a separation position. A control board is located in the second region. The control board includes a controller configured to control a first applying circuit, the first motor, the second motor, and the third motor. The first motor, the second motor, the third motor, and the control board are located at different positions from one another in the second region.
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公开(公告)号：US20220128947A1
公开(公告)日：2022-04-28
申请号：US17571676
申请日：2022-01-10
发明人： Toshinori ARAKI , Tatsuro Yokoi , Seiya Sato , Shinta Sugiura , Koji Akagi , Masaaki Wakizaka , Keita Inoue , Osamu Takahashi
摘要： An image forming apparatus includes a main body, a drum cartridge removably attached to the main body, and a belt unit removably attached to the main body. The main body includes a drum power supply, a belt power supply, and a controller configured to start supplying power from the drum power supply to a drum memory of the drum cartridge, start supplying power from the belt power supply to a belt memory of the belt unit, stop supplying the power from the drum power supply to the drum memory after starting supplying the power from the drum power supply to the drum memory, and stop supplying the power from the belt power supply to the belt memory after starting supplying the power from the belt power supply to the belt memory.
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