| 摘要 |
<p>A printer having a device for advancing and retracting a print head (14, 105) toward and away from a paper supporting platen, an automatic head gap adjusting device (54, 80, 96, 102) for controlling the head advancing and retracting device, to advance the print head until the print head comes into contact with a recording paper, and then retracting the print head by a predetermined distance, to thereby adjust a head gap between the paper and the print head, and an operator-controlled head gap adjusting device (64, 80, 94) for manually operating said head advancing and retracting device, to thereby adjust the head gap. A mode selector (80, 94) is provided for selecting one of an automatic adjusting mode in which the head gap is adjusted by the automatic head gap adjusting device, and a manual adjusting mode in which the head gap is adjusted by the operator-controlled head gap adjusting device.</p> |
