Measurement method of nozzle overlapping width, and inkjet recording apparatus
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United States of America Patent
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Jun 13, 2023
Grant Date -
Jul 7, 2022
app pub date -
Dec 28, 2020
filing date -
Jan 7, 2020
priority date (Note) -
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status (Latency Note)
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Abstract
A measurement method of nozzle overlapping width, in a main scanning direction intersecting a conveying direction of a recording medium, in an inkjet recording apparatus including a plurality of heads each having a plurality of nozzles that eject ink, includes a first step (S120), a second step (S130), and a third step (S140). The first step (S120) includes forming an image for measurement on the recording medium, using image data including combination patterns of droplet sizes, different with respect to each of blocks extending along the main scanning direction. The second step (S130) includes selecting the block having uniform density along the main scanning direction, in the image for measurement. The third step (S140) includes determining the nozzle overlapping width using a droplet size ratio adopted to form the image for measurement, on a basis of a position of the selected block.
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