| 摘要 |
PROBLEM TO BE SOLVED: To provide a mark detector capable of imparting stable mark detectability over a long term by preventing the mark detectability from lowering due to contamination, e.g. adhesion of ink. SOLUTION: N or S polarity of a part on a magnetic scale 24 magnetized as a mark is detected by means of a magnetic sensor 23 provided at a carriage section 21 and ink ejecting operation at a recording head section 2 is controlled by counting detection signals of the magnetized parts. Consequently, lowering of mark detectability due to contamination, e.g. adhesion of ink, can be avoided. COPYRIGHT: (C)2005,JPO&NCIPI
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