Printing apparatus and print control method
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United States of America Patent
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-
Nov 29, 2005
Grant Date -
Feb 5, 2004
app pub date -
Jul 17, 2003
filing date -
Jul 30, 2002
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A printing apparatus and a print control method can obtain excellent ink discharge without reducing the life of a printhead for image formation using plural sizes of ink droplets. Unop printing by discharging ink from an ink-jet printhead, having plural printing elements capable of discharging ink droplets in plural sizes, to a print medium, the number of concurrently-driven printing elements is counted corresponding to each respective size of the plural sizes, based on input print data, then a drive pulse applied to the concurrently-driven printing elements corresponding to the respective size of the plural sizes is determined based ont he result of counting, and the drive pulse is applied to the concurrently-driven printing elements.
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