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    • 4. 发明公开
    • Sheet package
    • Tuchverpackung
    • EP2269830A1
    • 2011-01-05
    • EP10165507.4
    • 2010-06-10
    • Brother Kogyo Kabushiki Kaisha
    • Suito, YoshikatsuNakamura, YasunoriOhta, Kiyoichi
    • B41J13/00
    • B41J13/0081
    • A sheet package (9) is accommodated in a printing apparatus (1). When a cover portion (10) is closed, a pressing plate (18) presses a second flat surface portion (50) of the sheet package (9), so that a lowermost sheet is pressed against a pickup roller (12). A reflective optical sensor (80) provided in the printing apparatus (1) faces a second cut-out portion (53) formed in the second flat surface portion (50) of the sheet package (9) and detects reflected light from synthetic resin forming the pressing plate (18) of the cover portion (10) when sheets in the sheet package (9) run out. A third cut-out portion (452) is formed in a third flat surface portion (60) of the sheet package (9). With the configuration, even though the light from the reflective optical sensor (80) is diffused, the reflection of the light by respective surfaces portions is prevented more accurately.
    • 片材包装(9)容纳在打印设备(1)中。 当盖部分(10)关闭时,按压板(18)按压片材包装(9)的第二平坦表面部分(50),使得最下面的片材被压靠在拾取辊(12)上。 设置在打印设备(1)中的反射光学传感器(80)面对形成在片材包装(9)的第二平坦表面部分(50)中的第二切口部分(53),并检测来自合成树脂形成的反射光 当片材包装(9)中的片材耗尽时,盖部分(10)的压板(18)。 第三切口部分(452)形成在片材包装(9)的第三平坦表面部分(60)中。 通过该结构,即使来自反射型光学传感器(80)的光扩散,也能够更准确地防止各表面部分的光的反射。