| 摘要 |
A printer comprises: a platen unit having a platen roller for advancing recording paper; a head unit having a thermal head with a plurality of heating elements provided thereto, the head unit being detachably combined with the platen unit; a fixed blade incorporated in the platen unit; a movable blade slidably incorporated in the head unit, the movable blade cutting the recording paper between the movable blade and the fixed blade; a detected member provided to the platen unit, the detected member being positioned at a predetermined position of the head unit when the head unit is combined with the platen unit, and engaging the movable blade to move therewith as the movable blade slides; and a sensor provided at the predetermined position of the head unit, the sensor detecting the detected member to detect that the movable blade is at an initial position. |
| 主权项 |
1. A printer comprising:
a platen unit having a platen roller for advancing recording paper; a head unit having a thermal head with a plurality of heating elements provided thereto, the head unit being detachably combined with the platen unit; a fixed blade incorporated in the platen unit; a movable blade slidably incorporated in the head unit, the movable blade cutting the recording paper between the movable blade and the fixed blade; a detected member provided to the platen unit, the detected member being positioned at a predetermined position of the head unit when the head unit is combined with the platen unit, and engaging the movable blade to move therewith as the movable blade slides; and a sensor provided at the predetermined position of the head unit, the sensor detecting the detected member to detect that the movable blade is at an initial position. |
