| 摘要 |
A thermal printer including a thermal head, a platen roller, a frame having platen roller receiving parts that receive the platen roller in a detachable manner, is disclosed. The thermal head is fixed to a thermal head supporting member that is operatively coupled to the frame. The thermal head supporting member includes platen roller lock parts that lock the platen roller received by the platen roller receiving part so as to resist or prevent the platen roller from exiting the platen roller receiving part.
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