Printhead integrated circuit assembly with compensation controller
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United States of America Patent
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Mar 2, 2010
Issued Date -
N/A
app pub date -
Oct 25, 2007
filing date -
May 23, 2000
priority date (Note) -
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status (Latency Note)
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Abstract
This invention relates to a printhead integrated circuit assembly having a substrate, drive circuitry and a controller. The substrate includes a plurality of micro-electromechanical nozzle arrangements formed thereon. The drive circuitry is positioned on the substrate for operatively actuating the respective nozzle arrangements to eject a drop of printing fluid therefrom. The controller is configured to monitor the power required to eject a drop from each nozzle, and to deactivate such nozzle and compensate with another nozzle if a required power level is exceeded.
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