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General Alignment Strategy of InkJet Devices

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A variety of error sources can produce print quality defects in the Drop on Demand Printers. The misalignment between drops (from same or different color) produces bad line reproduction, or shadows in the text or images. The misalignment errors have many different sources (color to color, bidirectional movements, mechanical errors, etc). The systems used to correct those misalignments were implemented since the very beginning of the printer market, and almost all of them are based in print some features (patterns) design to isolate the error over the output media, measure those features and extract the correction needed to compensate it.1 Those alignments were time and paper consuming.

This paper will present a new strategy based in the general approach of the PQ defect to correct the misalignments of the Inkjet Printers with less demanding in time and paper wasted.

The system use a single pattern that is measure to obtain geometrical positions of certain marks in it. The positions recorded are mathematically treated to isolate and obtain the error produce by every source of error, this error value are use by the printing system to correct it and produce the optimal output quality.

The advantage of this system can be applied to other printing system based in multiple writing systems (inkjet, laser, etc.)
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Document Type: Research Article

Publication date: January 1, 2003

More about this publication?
  • For more than 30 years, IS&T's series of digital printing conferences have been the leading forum for discussion of advances and new directions in 2D and 3D printing technologies. A comprehensive, industry-wide conference that brings together industry and academia, this meeting includes all aspects of the hardware, materials, software, images, and applications associated with digital printing systems?particularly those involved with additive manufacturing and fabrication?including bio-printing, printed electronics, page-wide, drop-on-demand, desktop and continuous ink jet, toner-based systems, and production digital printing, as well as the engineering capability, optimization, and science involved in these fields. In 2016, the conference changed its name formally to Printing for Fabrication to better reflect the content of the meeting and the evolving technology of printing.

    Please note: For purposes of its Digital Library content, IS&T defines Open Access as papers that will be downloadable in their entirety for free in perpetuity. Copyright restrictions on papers vary; see individual paper for details.

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