| 摘要 |
PURPOSE: To provide a reader that the positioning of an original is easy. CONSTITUTION: When an arm 4 is adjusted and a system is set to be a read possible state, a read mechanism 1 can read the original placed in a read area 31 (size (a) [mm]×(b) [mm]: hatched part) surrounded by a read boundary line 32. L [mm] shows a distance between the point of contact between the arm 4 and a supporting part 5, and the rotation center of a plane mirror 11 in the read mechanism 1, and b1 [mm] shows a horizontal distance between the read boundary line 32 of a supporting part 5-side and the rotation center of the plane mirror 11. A distance S [mm] between the end surface 33 and the point of contact 34 in the supporting part 5 is set so that it becomes S=L-b1 . At the time of reading, the original 6 is positioned so that it follows the end surface 33.
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