| 摘要 |
A scanner, including a lever and an elastic support element, is provided. The lever includes a first part, a second part and a fulcrum, wherein the first part and the second part are respectively located at opposed sides with respect to the fulcrum, and the second part touches against an image sensor module of the scanner. An elastic force, provided on the first part by the elastic support element, acts on the second part with respect to the fulcrum. When scanning, the elastic force is capable of preventing vertical offset of the image sensor module resulting from mechanical factor or other unexpected factors. Therefore, the image sensor module can retrieve clear images all the time.
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