INKJET PRINTER

An inkjet printer includes at least one head for ejecting ink in the form of droplets, the ink being supplied from an ink tank. The head includes: a plurality of nozzles; an interior flow passage for supplying the ink to the nozzles; and a pressure adjustment part. The pressure adjustment part is co...

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Bibliographische Detailangaben
Hauptverfasser:	FUKUI, Tamio, AOIKE, Masaaki, NAGASE, Yuichi
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	CORRECTION OF TYPOGRAPHICAL ERRORS i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME LINING MACHINES PERFORMING OPERATIONS PRINTING SELECTIVE PRINTING MECHANISMS STAMPS TRANSPORTING TYPEWRITERS
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Beschreibung
Zusammenfassung:	An inkjet printer includes at least one head for ejecting ink in the form of droplets, the ink being supplied from an ink tank. The head includes: a plurality of nozzles; an interior flow passage for supplying the ink to the nozzles; and a pressure adjustment part. The pressure adjustment part is connected to the interior flow passage. The pressure adjustment part has a damper space filled with a fixed amount of gas. The gas in the damper space is in contact with the ink filling the interior flow passage. When a negative pressure is developed in the nozzles by the ejection of the ink, the gas in the pressure adjustment part expands, so that the negative pressure in the nozzles is rapidly relieved. This prevents outside air from entering the nozzles.