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Evaluation of Crosstalk Effects in Inkjet Printing with Xaar 1001
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2011 (English)In: NIP27: International Conference on Digital Printing Technologies and Digital Fabrication 2011, 2011, 97-100 p.Conference paper (Refereed)
Abstract [en]

Measurements of crosstalk-induced dot placement errors were conducted with the Xaar1001 printhead printing in 3-phase mode using multiple different print patterns containing active pixels from nine neighboring channels on both sides of the monitored channel and including pixels from four earlier print cycles. The test data attributed a 'crosstalk weight factor' to each pixel proportional to its effect on the drop velocity of the monitored channel. The largest crosstalk effect was exerted by the nearest phase neighbor channels, and they reduced the drop velocity from the monitored channel. The 'crosstalk weight factors' of the other pixels was typically one order of magnitude smaller, and they were partially positive or negative, i.e. that they increase or decreased the drop velocity, respectively. The test results further proved that the total crosstalk effect of large print pattern as calculated by a linear superposition of the individual 'crosstalk weight factors' of the active pixels was within 4% of the measured data . The evaluation of crosstalk was further supported by measurements of the meniscus motion within the nozzle in real time. This provided the possibility to measure the pressure variations within printing and non-printing channels, and thus enable to monitor the 'pure' effect of crosstalk from neighboring channels.

Place, publisher, year, edition, pages
2011. 97-100 p.
Keyword [en]
Active pixel, Crosstalk effect, Drop velocity, Linear superpositions, Measured data, Meniscus motion, Pressure variations, Print head, Real time, Test data, Weight factor
National Category
Engineering and Technology
URN: urn:nbn:se:kth:diva-159657ISBN: 978-89208-296-4OAI: diva2:786648
NIP27: International Conference on Digital Printing Technologies and Digital Fabrication 2011, Minneapolis, MN, USA, October 2-6, 2011

QC 20150219

Available from: 2015-02-06 Created: 2015-02-06 Last updated: 2015-02-19Bibliographically approved

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Voit, WolfgangReinhold, IngoZapka, Werner
Engineering and Technology

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