Recording apparatus and predischarge control method
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United States of America Patent
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-
Jun 8, 2004
Grant Date -
Jan 9, 2003
app pub date -
Jun 5, 2002
filing date -
Jun 7, 2001
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A recording apparatus that comprises a cap, an idle suction device for exhausting the cap to the outside, a predischarge device for pre-discharging ink to the cap at designated time intervals, an accumulating device for accumulating the ink by the predischarge, a first comparison device for comparing the accumulated ink with a first threshold value, a first predischarge control device for reducing ink discharge in accordance with the first comparison result, a second comparison device for comparing the accumulated ink with a second threshold value, a predischarge prohibition device for prohibiting predischarge in accordance with the second comparison result, and a second predischarge control device for resuming predischarge in accordance with the period of time defined by the predischarge operation prohibition device, and increasing the ink for predischarge.
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