公开(公告)号：US20130278667A1

公开(公告)日：2013-10-24

申请号：US13865461

申请日：2013-04-18

申请人： RISO KAGAKU CORPORATION

发明人： Masashi HARA ,  Hitoshi ARAI

IPC分类号： B41J13/32

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。

公开(公告)号：US20140062014A1

公开(公告)日：2014-03-06

申请号：US13973153

申请日：2013-08-22

申请人： RISO KAGAKU CORPORATION

发明人： Takeshi YAMAJO ,  Hiroshi SUGITANI ,  Masashi HARA ,  Hitoshi ARAI ,  Kenji OBATA

IPC分类号： B65H31/24

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放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。