Ink jet apparatus capable of practicing an improved recovery operation
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United States of America Patent
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-
Jan 7, 1997
Grant Date -
N/A
app pub date -
Oct 1, 1992
filing date -
Oct 3, 1991
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An ink jet apparatus performs recording by ejecting, from the head portion ink which is contained in an exchangeable ink jet cartridge for the apparatus to form desired images on a recording medium. The apparatus performs a suction recovery operation for the head portion when the ink jet cartridge is removed from the apparatus. With this suction recovery, all the ink in the ink passage between the ink jet cartridge to the recording head is exhausted through the head portion; thus making it possible to remove bubbles remaining in ink totally and easily without any additional components and any resultant contamination in the nozzles provided for the recording head.
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