Ink jet recording apparatus and maintenance method thereof

Incremental printing of symbolic information – Ink jet – Ejector mechanism

Reexamination Certificate

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Reexamination Certificate

active

08038253

ABSTRACT:
The invention provides a configuration capable of judging whether an ink jet head is exchanged or whether it is replaced, and changing an amount of recovery operation when the ink jet head is exchanged or replaced. Thus a recording apparatus capable of avoiding a defective ink supply in case the ink jet head is exchanged or replaced, and not wasting the ink by unnecessarily excessive recovery operation, can be provided.

REFERENCES:
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patent: 6024430 (2000-02-01), Koitabashi et al.
patent: 6050669 (2000-04-01), Yano et al.
patent: 6142600 (2000-11-01), Takahashi et al.
patent: 6145950 (2000-11-01), Ohtsuka et al.
patent: 7354133 (2008-04-01), Ide et al.
patent: 05-169675 (1993-07-01), None
patent: 07-112531 (1995-05-01), None
patent: 3176343 (2001-04-01), None
patent: 2003-208295 (2003-07-01), None

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