Liquid ejection head, method for cleaning the head, recording apparatus provided with the head

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United States of America Patent

PATENT NO 9498956
APP PUB NO 20150336385A1
SERIAL NO

14717885

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Abstract

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Cleaning under appropriate cleaning conditions is performed by disposing an electrode pair for measuring conductivity in the same liquid chamber as that of a material layer (i.e., an upper electrode) of a surface of a thermal action portion to be eluted, and measuring conductivity of a liquid using the electrode pair before kogation is removed.

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Patent Owner(s)

  • CANON KABUSHIKI KAISHA

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ishida, Yuzuru Yokohama, JP 66 256
Kato, Maki Fuchu, JP 45 154
Matsui, Takahiro Yokohama, JP 106 606
Misumi, Yoshinori Tokyo, JP 80 525
Saito, Ichiro Yokohama, JP 148 1589
Takahashi, Kenji Yokohama, JP 720 9788
Yoshinari, Norihiro Kawasaki, JP 17 41

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