Ink-jet printing apparatus and its printhead control method
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United States of America Patent
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-
Dec 14, 2004
Grant Date -
May 1, 2003
app pub date -
Oct 29, 2002
filing date -
Oct 30, 2001
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An in-jet printing apparatus having a temperature detection device for outputting a signal in correspondence with a temperature, performs printing by using an ink-jet printhead which performs printing on a recording medium by discharging ink. A flag indicating whether acquisition of the temperature information is necessary or not is set, and the temperature information is obtained in accordance with the status of the flag, after the power on of the apparatus. The obtained temperature information is stored into a nonvolatile storage device. The temperature information can be obtained at appropriate timing in accordance with necessity, even if the power is interrupted during the operation. Thus a high-quality printed output can be obtained by performing a stable printing operation.
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