| 摘要 |
A belt tension adjustment mechanism for use in an optical module of a scanning apparatus includes a sliding member, a fixture member, a supporting member and a resilient member. The sliding member is arranged on a surface of the optical module and movable on the surface of the optical module. The fixture member is used to fix the belt. The supporting member supports the belt. By means of the resilient member, a tension is applied onto the belt.
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