Printing method and apparatus
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United States of America Patent
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Nov 27, 2001
Grant Date -
N/A
app pub date -
Aug 26, 1999
filing date -
Aug 27, 1998
priority date (Note) -
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status (Latency Note)
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Abstract
In a printing method which can suppress half band irregularity caused by 2-pass printing and implement high-image-quality printing, image data is distributed into two sets of data for front and rear heads, and each distributed data is distributed into two sets of data, i.e., forward print data and backward print data, thereby allowing 4-pass printing. An image on one line in the main scanning direction is formed by a total of four scanning operations, i.e., reciprocal printing by the front head and reciprocal printing by the read printhead.
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