Ink jet printers
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United States of America Patent
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-
May 14, 2002
Issued Date -
N/A
app pub date -
Oct 27, 2000
filing date -
Mar 1, 1999
priority date (Note) -
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status (Latency Note)
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Abstract
An ink jet printer that prints high quality wherein ink has minimum contact with the atmosphere, high volatility and is easy to separate. The ink jet recording heads and the sub tanks are mounted at the side of the Y cursor, and the main tanks are disposed at the side of the printer body. Upon completion of printing or standby for printing, the ink in the sub tanks is recovered to the side of the main tanks, and the ink in the recording heads is recovered to the side of the waste solution tank. After the ink in the sub tanks is recovered to the side of the main tanks, and before the ink in the main tanks is supplied into the sub tanks, the ink in the main tanks is stirred. After the ink in the recording heads is recovered to the waste solution tank, the inside of the recording heads is cleaned with the cleaning solution, and after the cleaning, the air is supplied into the recording heads, and the inside of the recording heads is dried. The atmosphere release valve is provided on the sub tanks, and after filling the ink in the recording heads, the atmosphere release valve is closed, except during printing and the supply and discharge of the ink to the sub tanks so that the ink in the sub tanks is not evaporated.
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