Ink jet recording apparatus with controlled recovery operation
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United States of America Patent
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Dec 12, 1995
Issued Date -
N/A
app pub date -
Sep 12, 1994
filing date -
Feb 13, 1990
priority date (Note) -
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status (Latency Note)
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Abstract
An ink jet recording apparatus comprises a timer for measuring an elapse of time from a predetermined measurement start timing, a backup power source for supplying power to the timer when a main power source is turned off, and a controller for changing the content and/or the frequency of a recover operation for recovering and preventing a discharge error in a discharge port for discharging ink on the basis of the elapsed time.
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