| 摘要 |
A method of correcting image alignment errors including a printing instruction unit and a printing unit printing a reference line, a first comparison line, and a second comparison line, an alignment error calculation unit calculating image alignment errors by measuring a distance between the reference line and the first comparison line and a distance between the reference line and the second comparison line, and a control value calculation unit calculating a predetermined control value correcting the calculated image alignment errors. <IMAGE>
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