Ink jet recording method and apparatus for recovering ejection at a particular orifice by ejecting ink from adjacent orifices
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United States of America Patent
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Feb 9, 1993
Grant Date -
N/A
app pub date -
Apr 9, 1991
filing date -
Apr 11, 1990
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An ink jet recording apparatus for performing recording by ejecting ink to a recording medium, has a recording head and head driving unit. To effect ejection recovery, the head driving unit drives selected ejection energy generating elements in the recording head so that ink is ejected from orifices which correspond to the selected ejection energy elements. The selected orifices include at least one orifice adjacent to a particular orifice at which ink ejection recovery is performed, but exclude the particular orifice in an arrangement of the plurality of orifices. This ejection recovery technique efficiently removes bubbles from the particular orifice.
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