| 摘要 |
<p>In the present invention, a long and narrow color ink ribbon (10) in which ink supply portions (M, C, Y) are repeatedly formed with the same arrangement is provided, a ribbon carrying means which moves the color ink ribbon in its lengthwise direction is provided, positions discriminating marks (11, 121, 122) which are parallel to the lengthwise direction of the color ink ribbon and of which lengths are set correspondingly to the respective ink supply portions are positioned on the same straight line and formed at one edge of the color ink ribbon, and a discrimination mark read-out means (14) implemented by arranging two optical sensors (5, 6) on a straight line in the direction along which the color ink ribbon moves is provided at the position opposite the discrimination marks.</p> |
