Thermal printer operable to selectively print sub-blocks of print data and method
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United States of America Patent
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Jul 9, 2013
Grant Date -
N/A
app pub date -
Feb 3, 2012
filing date -
Dec 19, 2011
priority date (Note) -
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Abstract
An entire block of print data for a message is subdivided into sub-blocks of print data. During printing of sub-blocks, an earlier received sub-block of data is used to print one portion of a substrate moving in the downstream direction. The substrate is moved upstream for a back distance and then moved downstream with the next sub-block of data being printed on the substrate as it is moved downstream. As a back distance section of the substrate again travels in the downstream direction, data from the subsequent sub-block of data that corresponds to data printed on the back distance section of the substrate during printing of the immediately preceding sub-block of data, is printed on the back distance section of the substrate. The sub-blocks of data are in effect stitched together by the dual printed back distance to minimize transition artifacts.
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