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公开(公告)号：US10131164B2
公开(公告)日：2018-11-20
申请号：US15666898
申请日：2017-08-02
发明人： Masashi Hara
摘要： A printer includes: a first conveyor configured to convey a recording medium during image formation by an image former at a first conveyance speed based on a print condition of the image formation by the image former; a second conveyor configured to convey the recording medium at a second conveyance speed higher than the first conveyance speed; and a third conveyor arranged between the first conveyor and the second conveyor on a conveyance route. The third conveyor is configured to start acceleration of the recording medium after a recording region trailing end of the recording medium passes the image former and accelerate the recording medium such that a speed of the recording medium increases to the second conveyance speed not later than a time point when a leading edge of the recording medium reaches the second conveyor.
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公开(公告)号：US09885993B2
公开(公告)日：2018-02-06
申请号：US15067761
申请日：2016-03-11
发明人： Masashi Hara
CPC分类号： G03G15/70 , B41J2/01 , B41J11/006 , B41J11/20 , B41J13/009
摘要： Upon occurrence of a paper jam on a main conveying route, a controller performs control of stopping paper conveyance at a section of the main conveying route upstream of a position of the paper jam in a conveying direction and discharging sheets at a section of the main conveying route downstream of the position of the paper jam in the conveying direction, and performs control of stopping paper conveyance at a circulation conveying route. Upon occurrence of a paper jam on the circulation conveying route, a controller performs control of stopping paper conveyance at a section of the circulation conveying route upstream of a position of the paper jam, and performs control of discharging sheets at a section of the circulation conveying route downstream of the position of the paper jam and at the main conveying route.
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公开(公告)号：US09827791B2
公开(公告)日：2017-11-28
申请号：US15438810
申请日：2017-02-22
发明人： Masaaki Shinohara , Masashi Hara
CPC分类号： B41J11/006 , B41J2/01 , B41J3/60 , B41J11/007 , B41J13/0054
摘要： A controller, upon remaining sheets existing in both a print conveyer and a lower conveyer and a sheet size of the sheets being equal to or larger than a specified size upon occurrence of a sheet jam: control an elevator to maintain the print conveyer at a print position, determine to position the print conveyer at a lower limit position in response to removal of the remaining sheet from the lower conveyer, and then drive the elevator to move the print conveyer to the lower limit position; or drive the elevator to move the print conveyer to the lower limit position, determine to position the print conveyer at the print position in response to removal of the remaining sheet from the lower conveyer, and then drive the elevator to move the print conveyer to the print position.
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公开(公告)号：US08998198B2
公开(公告)日：2015-04-07
申请号：US13973153
申请日：2013-08-22
发明人： Takeshi Yamajo , Hiroshi Sugitani , Masashi Hara , Hitoshi Arai , Kenji Obata
CPC分类号： B65H31/24 , B65H29/70 , B65H31/10 , B65H31/34 , B65H33/08 , B65H2301/42194 , B65H2301/42252 , B65H2301/51214 , B65H2301/5133 , B65H2301/5321 , B65H2404/7412 , B65H2404/743 , B65H2405/1122 , B65H2405/1134 , B65H2405/1136 , B65H2405/114 , B65H2405/11425 , B65H2405/15 , B65H2511/12 , B65H2511/13 , B65H2511/222 , B65H2513/514 , B65H2601/111 , B65H2601/255 , B65H2601/273 , B65H2801/06 , B65H2801/15 , B65H2801/18 , B65H2220/01 , B65H2220/02 , B65H2220/11
摘要： A controller temporarily opens a pair of side fence plates under a prescribed condition to move the side fence plates away from both side ends of sheets in a sheet width direction, after each time stacking of sheets at a first or second sheet stacking position is completed, but before a sheet receiving tray is temporarily lifted down to offset an offset guide plate and an end fence plate. Else, the controller sets an amount of lifting up and down of the sheet receiving tray such that the amount at the second sheet stacking position is smaller than that at the first sheet stacking position when offsetting the offset guide plate and the end fence plate after each time the stacking of sheets at the first or second sheet stacking position on the sheet receiving tray is completed.
摘要翻译： 控制器在规定的条件下临时打开一对侧挡板，以便在第一或第二纸张堆叠位置的纸张的每次堆叠完成之后，使侧挡板从纸张宽度方向的两侧端部移开， 但是在片材接收盘被临时提升以偏移偏移导板和端挡板之前。 否则，控制器设置片材接收托盘的升降量，使得当第二片材堆叠位置上的量在第一片材堆叠位置之后小于在第一片材堆叠位置偏移偏移导向板和端部挡板后的量时 完成在片材接收托盘上的第一或第二片材堆叠位置处堆叠片材的时间。
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公开(公告)号：US09665812B2
公开(公告)日：2017-05-30
申请号：US15067801
申请日：2016-03-11
发明人： Masashi Hara
CPC分类号： G06K15/4085 , B65H5/062 , B65H29/125 , B65H29/58 , B65H2511/515 , B65H2511/528 , B65H2513/511 , B65H2513/512 , B65H2601/11 , B65H2801/06 , G03G15/5012 , G03G15/70 , G03G2215/00548 , G03G2215/00552 , G03G2215/0141 , G03G2221/1675 , G06K15/16 , G06K15/4025 , G06K2215/0085 , G06K2215/101 , B65H2220/03 , B65H2220/01 , B65H2220/02 , B65H2220/11
摘要： Upon occurrence of a paper jam at a circulation conveyer with a switching direction being set at a paper discharge guiding direction, a controller performs control of maintaining the switching direction at the paper discharge guiding direction and discharging sheets at a section of the circulation conveyer downstream of a position of the paper jam, the printing conveyer, and the paper discharger. Upon occurrence of the paper jam with the switching direction being set at a circulation guiding direction, the controller performs control of switching the switching direction to the paper discharge guiding direction after a sheet passing a switch exits the switch, and discharging the sheets at the section of the circulation conveyer downstream of the position of the paper jam, the printing conveyer, and the paper discharger.
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公开(公告)号：US09327530B1
公开(公告)日：2016-05-03
申请号：US14952385
申请日：2015-11-25
发明人： Masashi Hara , Hideaki Inoue
CPC分类号： B41J13/0045 , B41J3/60 , B41J13/0009
摘要： A controller is configured in duplex printing to: determine a reverse conveying speed corresponding to a printing schedule based on a printing condition; determine a switching timing corresponding to the printing schedule; and switch an operation of a common conveyer at the determined switching timing between a paper feeding conveying operation and a paper refeeding conveying operation. The paper feeding conveying operation is for receiving an unprinted sheet at a paper feeding conveying speed and conveying the unprinted sheet to a printing unit. The paper refeeding conveying operation is for receiving a sheet with a front side printed at the determined reverse conveying speed and conveying the sheet with the front side printed to the printing unit.
摘要翻译： 控制器被配置为双面打印以：基于打印条件确定与打印调度相对应的反向传送速度; 确定对应于打印时间表的切换时机; 并且在给纸传送操作和再供纸传送操作之间的所确定的切换定时切换公共输送机的操作。 送纸输送操作用于以送纸传送速度接收未打印的纸张，并将未打印的纸张传送到打印单元。 进纸输送操作用于接收以确定的反向输送速度打印正面的纸张，并将纸张的正面输送到打印单元。
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公开(公告)号：US08783815B2
公开(公告)日：2014-07-22
申请号：US13865461
申请日：2013-04-18
发明人： Masashi Hara , Hitoshi Arai
CPC分类号： B41J13/32 , B41J11/485 , B41J13/08
摘要： A printer includes a pair of registration rollers for feeding a print sheet to a print unit, a first sheet supply unit including a first feed roller that operates, by rotating in synchronization with the pair of registration rollers, an assistant operation to assist sheet-feeding by the pair of registration rollers, a second sheet supply unit including a second feed roller, a drive unit that selectively drives the first and second feed rollers, and a controller that controls the drive unit. When changing over a sheet supply source from the first sheet supply unit to the second sheet supply unit in the assistant operation, the controller finishes the assistant operation before a trailing edge of a print sheet currently fed has passed through the first feed roller by stopping the drive unit. According to the printer, reduction of print productivity can be restricted while reducing noises and feed failures.
摘要翻译： 打印机包括一对用于将打印片材输送到打印单元的定位辊，第一供纸单元，其包括第一进给辊，第一供纸辊通过与所述一对定位辊同步旋转来操作辅助操作以辅助纸张进给 通过一对定位辊，包括第二进给辊，选择性地驱动第一和第二进给辊的驱动单元以及控制驱动单元的控制器的第二供纸单元。 当在辅助操作中将片材供应源从第一片材供应单元切换到第二片材供应单元时，控制器在当前进给的打印片材的后缘通过第一进给辊之前停止辅助操作 驱动单元。 根据打印机，可以减少印刷生产率，同时减少噪音和进纸故障。
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公开(公告)号：US11878894B2
公开(公告)日：2024-01-23
申请号：US17587312
申请日：2022-01-28
发明人： Masashi Hara , Yoshifumi Noguchi , Yoshiyuki Okada
CPC分类号： B65H7/06 , B65H29/58 , B65H2511/528 , B65H2801/21
摘要： A sheet discharger includes: an accommodator configured to accommodate sheets; a conveyor configured to convey and discharge a sheet to the accommodator; a detector configured to detect whether a jam of a sheet has occurred in the accommodator and a state of the jam; and a controller configured to control the conveyor to continue sheet discharge upon detection by the detector of the jam in a state where sheet discharge of a jammed sheet is possible.
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公开(公告)号：US09944483B2
公开(公告)日：2018-04-17
申请号：US14968015
申请日：2015-12-14
发明人： Hideaki Inoue , Masashi Hara
CPC分类号： B65H9/006 , B65H7/02 , B65H2511/514 , B65H2513/10 , B65H2513/50 , B65H2513/53 , B65H2701/1311 , B65H2701/1313 , B65H2220/01 , B65H2220/02
摘要： A controller is configured to drive a conveying roller to allow a sheet to abut on a registration roller and stop, and to drive the registration roller to convey the sheet abutting on the registration roller to the printing unit at a set sheet interval. The controller is configured to control a conveying speed of the conveying roller based on a time from a first timing to a second timing, the first timing at which a preceding sheet conveyed from the registration roller to the printing unit exits the conveying roller, the second timing at which a following sheet reaches the conveying roller.
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公开(公告)号：US09358816B2
公开(公告)日：2016-06-07
申请号：US14918140
申请日：2015-10-20
发明人： Akihiro Yamagata , Masashi Hara
IPC分类号： B41J29/393 , B41J13/00 , B41J2/01
CPC分类号： B41J13/0009 , B41J2/01 , B41J3/60 , B41J13/0045
摘要： Upon a misfeeding of any of second and subsequent sheets in paper feeding by a paper feeding unit during duplex printing, a controller drives the paper feeding unit to perform a paper feeding retry at one or more of paper feeding timings in a paper feeding schedule for duplex printing. The paper feeding schedule for duplex printing specifies the paper feeding timings by the paper feeding unit and paper refeeding timings by a paper refeeding unit for a case other than the misfeeding of any of the second and subsequent sheets in the paper feeding by the paper feeding unit such that the sheet refed from the paper refeeding unit and the sheet fed from the paper feeding unit are alternately conveyed to a printing unit.
摘要翻译： 在双面打印期间，由于送纸单元在进给纸张中的任何一张纸张被错误送入时，控制器驱动送纸单元以一个或多个给纸定时在给纸计划中的一个或多个送纸计时进行双面打印 打印。 双面打印的送纸时间表通过供纸单元指定供纸定时，并且通过纸张再供纸单元进行纸张馈送定时，用于除了供纸单元供纸的纸张中的任何第二张纸和随后纸张之外的错误进纸 使得从再生纸单元引起的纸张和从供纸单元供给的纸张被交替地传送到打印单元。
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