Incremental printing of symbolic information – Ink jet – Ejector mechanism
Reexamination Certificate
2005-02-15
2005-02-15
Hsieh, Shih-wen (Department: 2861)
Incremental printing of symbolic information
Ink jet
Ejector mechanism
C347S030000, C347S033000
Reexamination Certificate
active
06854824
ABSTRACT:
The present invention relates to an inkjet recording apparatus for recording by discharging ink out of a recording head. The apparatus comprises a recovery apparatus for recovering the recording head in performing a conceptually lower recovery operation and a conceptually higher recovery operation including the conceptually lower recovery operation and a controller for controlling the operation of the recovery apparatus. In a case where the conceptually lower recovery operation is otherwise made, if a second condition not satisfying a first condition is satisfied even where the first condition for performing the conceptually higher recovery operation is not satisfied during the conceptually higher recovery operation, the conceptually higher recovery operation is performed without performing the conceptually lower recovery operation.
REFERENCES:
patent: 5793388 (1998-08-01), Martinson et al.
patent: 5805180 (1998-09-01), Ebisawa et al.
patent: 6036299 (2000-03-01), Kobayashi et al.
patent: 6231156 (2001-05-01), Ono
patent: 6382784 (2002-05-01), Pawlowski, Jr. et al.
Canon Kabushiki Kaisha
Fitzpatrick ,Cella, Harper & Scinto
Hsieh Shih-wen
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