INSPECTION APPARATUS AND PRINTING APPARATUS

A printing head includes printing element boards which are in fluid communication with each other through a liquid chamber, includes an inlet port and an outlet port, and is arranged such that the ink circulates inside the liquid chamber, and inside the liquid chamber, the ink circulates in nozzle p...

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Bibliographische Detailangaben
1. Verfasser:	KODOI, TAKUMA
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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Beschreibung
Zusammenfassung:	A printing head includes printing element boards which are in fluid communication with each other through a liquid chamber, includes an inlet port and an outlet port, and is arranged such that the ink circulates inside the liquid chamber, and inside the liquid chamber, the ink circulates in nozzle portions in the printing element boards. An inspection apparatus includes: the printing head; an inlet passage; an outlet passage; an ink circulatory system; an inlet temperature sensor; and an outlet temperature sensor, and estimates a temperature distribution of the printing head from measured values of the inlet temperature sensor and the outlet temperature sensor and calculates calibration values of the temperature sensors of the respective printing element boards.