| 摘要 |
The invention is intended to obtain favorable printing results by promoting effectively the evaporation of solvent (dissolving medium) of the ink printed on the printing medium 20. A blower 24 is disposed at least at backward side of printing moving direction of the head unit 4, out of two sides of the head unit 4. The blower 24 has air nozzles 26 for injecting compressed air perpendicularly to the printing plane, and the bottom of the blower 24 is provided with a curved plane and a parallel plane so that the compressed air injected from the air nozzles 26 may be bent in a direction at right angle by Coanda effect. The curved plane and the parallel plane generate a horizontal air stream parallel to the printing plane, toward a direction departing from the adjacent head unit 4, at the downside of the blower 24. The printing device, using the ink jet head, dries the ink on the printing medium 20 by the horizontal air stream injected from the blower 24 while printing on the printing medium 20.
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