| 摘要 |
PROBLEM TO BE SOLVED: To improve a total throughput in printing by a method wherein a region having print data and a region not having print data in a carriage scanning region are detected and speeds with respect to the respective regions are controlled to be varied. SOLUTION: A blank portion existing in the middle part between a plurality of printing regions 21, 22 in one band region corresponding to a printing width which is to be printed by a print head by one time of scanning of a carriage and a shortest distance in the direction of scanning of the carriage in the detected blank portion is obtained. It is checked whether or not the obtained shortest distance is greater than a predetermined threshold. When it is judged that the distance is greater than the threshold, the carriage speed in the blank portion is increased to be greater than the normal carriage speed.
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