[打印](%E6%89%93%E5%8D%B0%E6%8E%A5%E5%8F%A3.md) [設置音量](default/%E8%AE%BE%E7%BD%AE%E5%A3%B0%E9%9F%B3.md) [查詢打印機狀態](%E6%9F%A5%E8%AF%A2%E6%89%93%E5%8D%B0%E6%9C%BA%E7%8A%B6%E6%80%81.md) [查詢打印狀態](%E6%89%93%E5%8D%B0%E7%8A%B6%E6%80%81%E6%9F%A5%E8%AF%A2.md) [清空打印隊列](default/%E6%B8%85%E7%A9%BA%E6%89%93%E5%8D%B0%E9%98%9F%E5%88%97.md) [取消單條未打印訂單](%E5%8F%96%E6%B6%88%E5%8D%95%E6%9D%A1%E6%9C%AA%E6%89%93%E5%8D%B0%E8%AE%A2%E5%8D%95.md)