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公开(公告)号：US11385569B2
公开(公告)日：2022-07-12
申请号：US17166776
申请日：2021-02-03
发明人： Shintaro Fukuoka , Shougo Sato
摘要： An image forming apparatus includes a first process unit, a second process unit, a first toner cartridge, and a second toner cartridge. The first toner cartridge includes a cartridge housing and a first shutter movable between a first closed position and a first open position. The cartridge housing includes one end portion and the other end portion. The cartridge housing is rotatable between a first position at which the first shutter is positioned at the first closed position and a second position at which the first shutter is positioned at the first open position. When the cartridge housing moves from the second position to the first position, the one end portion of the cartridge housing comes close to the second toner cartridge and the other end portion of the cartridge housing goes away from the second toner cartridge.
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公开(公告)号：US11226573B2
公开(公告)日：2022-01-18
申请号：US17165501
申请日：2021-02-02
发明人： Shintaro Fukuoka , Shougo Sato
摘要： A toner cartridge includes a housing capable of accommodating toner and having six peripheral walls, a first shutter, and a second shutter. The housing includes (i) a first surface formed on a first peripheral wall and having a first circumferential surface and (ii) a second surface and having a second circumferential surface, the first peripheral wall having a first hole, the second peripheral wall having a second hole. The first shutter is movable relative to the housing along the first circumferential surface between a first closed position at which the first opening is closed and a first open position at which the first opening is opened. The second shutter is movable relative to the housing along the second circumferential surface between a second closed position at which the second opening is closed and a second open position at which the second opening is opened.
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公开(公告)号：US11874614B2
公开(公告)日：2024-01-16
申请号：US17836132
申请日：2022-06-09
发明人： Shintaro Fukuoka , Shougo Sato
CPC分类号： G03G15/0886 , G03G15/0867 , G03G21/1619 , G03G21/1633 , G03G2215/0636 , G03G2221/1678
摘要： An image forming apparatus includes a first process unit, a second process unit, a first toner cartridge, and a second toner cartridge. The first toner cartridge includes a cartridge housing and a first shutter movable between a first closed position and a first open position. The cartridge housing includes one end portion and the other end portion. The cartridge housing is rotatable between a first position at which the first shutter is positioned at the first closed position and a second position at which the first shutter is positioned at the first open position. When the cartridge housing moves from the second position to the first position, the one end portion of the cartridge housing comes close to the second toner cartridge and the other end portion of the cartridge housing goes away from the second toner cartridge.
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公开(公告)号：US11619897B2
公开(公告)日：2023-04-04
申请号：US17831768
申请日：2022-06-03
发明人： Miho Ishida , Shintaro Fukuoka , Toshio Furukawa , Toshinori Araki , Masaya Takasu , Takuro Nishimura
摘要： In an image forming apparatus, an image forming unit configured to form a toner image on a transfer medium includes four sets of a photoconductor drum and a development roller, respectively, for forming toner images of first, second, third and fourth colors, arranged in this order, in a direction opposite to a direction of movement of the transfer medium moving toward a detector configured to detect a toner image formed on the transfer medium. A controller executes a bias-corrective test image forming process in which a first bias-corrective test image of the first color is arranged in a position downstream of other three first bias-corrective test images, and a second bias-corrective test image of the first color is arranged in a position between two first bias-corrective test images selected among other three first bias-corrective test images, in the direction of movement of the transfer medium.
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公开(公告)号：US11327416B2
公开(公告)日：2022-05-10
申请号：US17166609
申请日：2021-02-03
发明人： Shintaro Fukuoka , Shougo Sato
摘要： An image forming apparatus includes a process unit and a toner cartridge. The toner cartridge includes a cartridge housing having a first shutter and a second shutter. The process unit includes a conveying tube. The cartridge housing is movable between a first position and a second position. The first position is a position in which (a) the first shutter is positioned at a first open position, (b) the second shutter is positioned at a second open position, and (c) a second opening is aligned with the conveying tube in a second direction. The second position is a position in which (a) the first shutter is positioned at a first closed position, (b) the second shutter is positioned at a second closed position, (c) the second opening is spaced apart from the conveying tube, and (d) the toner cartridge is mountable and removable on and from the process unit.
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