PRINT HEAD

A print head includes a head portion that includes a driving element driven by a drive signal and ejects a liquid in response to the drive of the driving element, a flow path member provided with a liquid flow path for supplying a liquid to the head portion, a circuit board provided with a supply ci...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: KASAI, Shunsuke, NAKANO, Shuichi, SATO, Tatsuya, TOKI, Masahiro
Format: Patent
Sprache:eng
Schlagworte:
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Beschreibung
Zusammenfassung:A print head includes a head portion that includes a driving element driven by a drive signal and ejects a liquid in response to the drive of the driving element, a flow path member provided with a liquid flow path for supplying a liquid to the head portion, a circuit board provided with a supply circuit for supplying the drive signal to the driving element and disposed between the head portion and the flow path member, and a light emitting element disposed between the circuit board and the flow path member, in which the flow path member is provided with a light guide tube that guides light emitted by the light emitting element to an outside of the flow path member.