Liquid jet recorder

Details Liquid jet recorder Liquid jet recorder

1997-09-26

2000-02-01

Smith, Matthew S.

Incremental printing of symbolic information

Ink jet

Ejector mechanism

347 22, 347 26, B41J 205, B41J 2165

Patent

active

060194561

ABSTRACT:
To remove deposit on a protective film 6 of heating resistors 3, main pulse P3r of multi-pulse drive is set to the width narrower than main pulse width P3s at the normal recording time and wider than the main pulse width starting film boiling in a region on the protective film including heating regions of the heating resistors, and the heating resistors 3 are driven, whereby the deposit is peeled in a wide area including the heating region. After bubbles grow in an ink chamber 9, they shrink and disappear as the heating resistors 3 terminate heating. Liquid rapidly flows into the ink chamber 9 accordingly, and the deposit on the protective film can be removed by cavitation at the time.

REFERENCES:
patent: 5638100 (1997-06-01), Kanematsu et al.

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