INK SUPPLY APPARATUS OF INK-JET PRINTER

PROBLEM TO BE SOLVED: To prevent ink from being excessively supplied to a sub tank by setting an ink storage part between an ink tank for replenishment and the sub tank for temporarily storing ink, setting first and second on/off valves which are not turned to an open state simultaneously, and formi...

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Bibliographische Detailangaben
Hauptverfasser:	YOSHIMURA HISASHI, MOTO TAKUJI
Format:	Patent
Sprache:	eng
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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Zusammenfassung:	PROBLEM TO BE SOLVED: To prevent ink from being excessively supplied to a sub tank by setting an ink storage part between an ink tank for replenishment and the sub tank for temporarily storing ink, setting first and second on/off valves which are not turned to an open state simultaneously, and forming a structure not to directly couple the ink tank for replenishment and the sub tank at an abnormal time as well. SOLUTION: A sub ink tank 2 set to an ink carriage 1, and a main ink tank 4 for replenishing ink to the sub ink tank 2 are provided. A ink storage part 6 for temporarily storing ink is set between the main ink tank 4 and sub ink tank 2. A first on/off valve 7 is set between the ink storage part 6 and main ink tank 4, and moreover a second on/off valve 8 is set between the ink storage part 6 and the sub ink tank 2. An electromagnetic clutch 9 is set for opening and closing the first and second on/off valves 7 and 8. An on/off valve control part is set so that the first and second on/off valves 7 and 8 are not turned in an open state simultaneously.