| 摘要 |
PROBLEM TO BE SOLVED: To provide a easing inspection jig capable of inspecting deformation in the vertical and lateral directions of the casing of an image formation device, simply and quickly with a simple structure. SOLUTION: This jig comprises a first detection part 11 equipped with a pair of mounting members mounted on upper parts of a front side board 23 and a back side board 24 of the casing 2, for detecting position shift in the sideward direction between the front side board 23 and the back side board 24 based on the relative position relation in the lateral direction of the mounting members, and a second detection part 12 placed on the mounting members, for detecting torsion in the vertical direction of upper edge parts of the front side board 23 and the back side board 24 based on the relative position relation in the vertical direction of the mounting members.
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