发明授权
US09004481B2 Sheet storing apparatus, post-processing apparatus and image forming system having the same 有权
片材存储装置,后处理装置和具有该片材的图像形成系统

Sheet storing apparatus, post-processing apparatus and image forming system having the same
摘要:
In a provided apparatus, an upper roller to be engaged with a sheet upper face and a lower roller to be engaged with a sheet lower face are arranged at a sheet discharging port in a manner capable of being pressure-contacted and being separated, the upper roller is formed with a large-diameter soft roll face and a small-diameter hard roll face, and a pressurization force of roller lifting-lowering means with which the upper roller is pressure-contacted to and is separated from the lower roller is switched to be high or low.
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