| 摘要 |
An object of this invention is to decrease the amount of ink mist while keeping the image quality high in inkjet printing. To achieve this object, printing is performed by time-divisionally driving, for each block, a plurality of nozzles for discharging ink. In preliminary discharge, the nozzles are so driven as to set the driving time interval between neighboring nozzles to the first time interval. In printing, the nozzles are so driven as to set the driving time interval between neighboring nozzles to the second time interval longer than the first time interval.
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