| 摘要 |
PROBLEM TO BE SOLVED: To provide a printing method by an ink jet system for printing a desired clear printing image on a corrugated face of a corrugated board sheet sucked and conveyed in a sheet-feeding system efficiently. SOLUTION: This method for printing on the corrugated board sheet by jetting ink droplets toward a surface of the corrugated board sheet from an ink jet nozzle to form dots on the surface comprises a step for conveying the corrugated board sheet in the sheet-feeding system while sucking a face on one side of the corrugated board sheet and a step for printing on the corrugated face by jetting ink droplets by adjusting conveyance speed of the corrugated board sheet, suction strength of the sheet, and an interval between the ink jet nozzle and the corrugated face in accordance with the form of the corrugated face being a face on the other side of the corrugated board sheet and desired DPI of the dot formed on the corrugated face. COPYRIGHT: (C)2007,JPO&INPIT
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