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公开(公告)号：US20240337980A1
公开(公告)日：2024-10-10
申请号：US18618622
申请日：2024-03-27
发明人： MASATOSHI ITOH
IPC分类号： G03G15/00
CPC分类号： G03G15/70 , G03G15/55 , G03G2215/004 , G03G2215/00548 , G03G2215/00599 , G03G2215/00679
摘要： An image forming apparatus includes: a photosensitive member; a developing roller; a contact/separation mechanism configured to switch between a contact state in which the developing roller is brought into contact with the photosensitive member and a separation state in which the developing roller is separated from the photosensitive member; a photosensitive-member motor configured to rotate and drive the photosensitive member; and a control portion. The control portion configured to determine that the contact/separation mechanism is in a failure state in a case where a torque of the photosensitive-member motor is not detected to have changed by at least a predetermined value within a predetermined time after a predetermined reference timing.
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公开(公告)号：US20180329347A1
公开(公告)日：2018-11-15
申请号：US15969064
申请日：2018-05-02
申请人： KONICA MINOLTA, INC.
发明人： Eiji Nishikawa , Takahiro Yokoya
IPC分类号： G03G15/00
CPC分类号： G03G15/5029 , G03G15/5062 , G03G15/6558 , G03G15/70 , G03G2215/00548 , G03G2215/00599
摘要： There is provided printing equipment that enhances the overprinting position accuracy in overprinting and a printing method for the printing equipment. In the printing method, a paper meandering profile acquisition part acquires a meandering profile of paper from a result of detection by a paper deviation detection sensor. A paper speed profile acquisition part acquires a paper speed profile from a result of detection by a paper conveyance speed detection sensor. A paper feed error calculator calculates a paper feed error on the basis of the meandering profile and paper speed profile. A paper feed error corrector corrects the image formation timing on the basis of a result of calculation by the paper feed error calculator.
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公开(公告)号：US09981818B2
公开(公告)日：2018-05-29
申请号：US15352954
申请日：2016-11-16
发明人： Nozomi Kumakura , Seita Inoue , Kunio Takane
CPC分类号： B65H7/06 , B65H5/062 , B65H2511/528 , B65H2601/11 , B65H2601/255 , G03G15/5012 , G03G15/6511 , G03G15/70 , G03G2215/00341 , G03G2215/00548 , G03G2215/00552 , G03G2215/0129
摘要： An image forming apparatus including: a sheet container; a sheet conveyer; a sheet detector; and a controller, wherein, in a case where a leading edge of a first sheet is positioned downstream of a first position in a conveyance direction and a trailing edge of a second sheet preceding the first sheet is positioned downstream of a second position located downstream of the first position when the first and second sheets are stopped based on a result of the sheet detector, the controller causes the sheet conveyer to convey the first sheet in the conveyance direction, and in a case where the leading edge of the first sheet is positioned upstream of the first position when the first and second sheets are stopped, the controller causes the sheet conveyer to convey the first sheet in an opposite direction to return the first sheet to the sheet container.
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公开(公告)号：US09939762B2
公开(公告)日：2018-04-10
申请号：US15416530
申请日：2017-01-26
发明人： Masaki Kakitani , Kenichi Manabe
CPC分类号： G03G15/2028 , G03G15/6541 , G03G15/6576 , G03G21/1633 , G03G21/1638 , G03G2215/00548 , G03G2221/1675
摘要： An image forming apparatus includes a main assembly; an image forming portion for forming an image on a sheet; an openable member rotatably supported by the main assembly; a first feeding guide provided on the openable member; a second feeding guide provided in the main assembly, wherein when the openable member is closed, a sheet feeding path for feeding the sheet is formed by the first and second feeding guides; a hole provided in the first feeding guide; and an illumination device, provided on the openable member, for illuminating at least a part of the second feeding guide through the hole when the openable member is open.
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公开(公告)号：US09908726B2
公开(公告)日：2018-03-06
申请号：US14682832
申请日：2015-04-09
发明人： Masahiro Mutsuno
CPC分类号： B65H5/26 , B65H2402/10 , G03G15/55 , G03G15/553 , G03G15/6558 , G03G2215/00548 , G06F3/1211 , G06F3/1234 , G06F3/1259 , G06F3/126 , G06F3/1275 , G06F3/1294
摘要： An object of this invention is to provide a job processing method for a convenient printing system applicable not only to the office environment but also to the POD environment, a storage medium, a program, a printing system, and a printing apparatus. To accomplish this, according to a job processing method for a printing system in which print media detected by a multi feed detection unit for detecting occurrence of multi feed of overlapping print media can be used as print media necessary for a job to be processed by a printing apparatus, when multi feed occurs, the printing system can execute a recovery operation for an unprinted job without outputting multi-fed print media to a print medium discharge destination necessary for the unprinted job in the printing system.
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公开(公告)号：US20180032014A1
公开(公告)日：2018-02-01
申请号：US15663565
申请日：2017-07-28
发明人： Takanobu NAKATANI
IPC分类号： G03G15/00
CPC分类号： G03G15/5012 , G03G15/2035 , G03G15/5016 , G03G15/553 , G03G15/70 , G03G2215/00548
摘要： Provided is an electronic device that outputs a notification sound that takes into consideration those of older age. The electronic device is an electronic device that outputs a notification sound, and includes a frequency-setting unit and a notification-sound-control unit. The frequency-setting unit sets an initial frequency for the notification sound. The notification-sound-control unit causes the notification sound to be outputted at the initial frequency, and performs control so that the frequency of the notification sound is lowered from the initial frequency as time passes.
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公开(公告)号：US09880493B2
公开(公告)日：2018-01-30
申请号：US15496978
申请日：2017-04-25
CPC分类号： G03G15/0831 , G03G15/0126 , G03G15/0194 , G03G15/0856 , G03G15/0865 , G03G15/0896 , G03G15/556 , G03G21/1638 , G03G21/1676 , G03G2215/00548 , G03G2221/1654
摘要： An image forming apparatus includes lock mechanisms, a second detection processing portion, and a second release processing portion. The lock mechanisms regulate attachment and detachment of the developer storage portions attached to the attachment portions. The second detection processing portion detects whether or not any of the image forming units has an abnormality. The second release processing portion can release a regulation on attachment and detachment of two or more developer storage portions corresponding to two or more image forming units that include at least an image forming unit adjacent to the image forming unit detected to have the abnormality.
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公开(公告)号：US09857752B2
公开(公告)日：2018-01-02
申请号：US14572483
申请日：2014-12-16
申请人： KONICA MINOLTA, INC.
发明人： Youichirou Nishi , Hiroyuki Konishi
CPC分类号： G03G15/70 , B65H29/60 , B65H31/24 , B65H43/00 , B65H2511/528 , B65H2513/42 , G03G15/5012 , G03G15/55 , G03G2215/00548 , G03G2215/00552 , G03G2221/1696 , B65H2220/03 , B65H2220/02
摘要： Disclosed is an image forming system, which makes it possible to effectively eject the jam-subsequent paper sheet remaining therein. In the system, a primary abnormal state in which the conveyance operation cannot be continued, and a secondary abnormal state in which an adverse influence is possibly incurred to the image formed on the paper sheet though it is possible to continue the conveyance operation, are defined. In the state that the primary abnormal state or the secondary abnormal state is detected in midcourse of the conveyance operation, when a pre-purge processing for conveying the jam-subsequent paper sheet is implemented so as to eject the jam-subsequent paper sheet onto the ejecting tray, controlling operations are conducted so as to continue the conveyance operation without halting the conveyance operation, even if the secondary abnormal state in respect to the jam-subsequent paper sheet is detected in midcourse of performing the pre-purge processing thereof.
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公开(公告)号：US20170315470A1
公开(公告)日：2017-11-02
申请号：US15496978
申请日：2017-04-25
IPC分类号： G03G15/08
CPC分类号： G03G15/0831 , G03G15/0126 , G03G15/0194 , G03G15/0856 , G03G15/0865 , G03G15/0896 , G03G15/556 , G03G21/1638 , G03G21/1676 , G03G2215/00548 , G03G2221/1654
摘要： An image forming apparatus includes lock mechanisms, a second detection processing portion, and a second release processing portion. The lock mechanisms regulate attachment and detachment of the developer storage portions attached to the attachment portions. The second detection processing portion detects whether or not any of the image forming units has an abnormality. The second release processing portion can release a regulation on attachment and detachment of two or more developer storage portions corresponding to two or more image forming units that include at least an image forming unit adjacent to the image forming unit detected to have the abnormality.
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公开(公告)号：US09802776B2
公开(公告)日：2017-10-31
申请号：US14918344
申请日：2015-10-20
发明人： Tetsuro Fukusaka
CPC分类号： B65H7/125 , B65H5/36 , B65H7/02 , B65H29/62 , B65H43/04 , B65H2404/632 , B65H2511/22 , B65H2511/524 , B65H2515/112 , B65H2515/40 , B65H2553/30 , B65H2801/06 , G03G15/703 , G03G2215/00548 , G03G2215/00637 , B65H2220/03 , B65H2220/02 , B65H2220/11 , B65H2220/01
摘要： A sheet conveyance apparatus including a transmission unit that transmits an ultrasonic wave toward a sheet and a reception unit that receives the ultrasonic wave includes a change unit that changes a distance of a conveyance path of the sheet according to sheet information about the sheet to be conveyed.
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