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Method of Measuring Resolution for Printer

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One of the methods designed by author for measuring resolution printed on paper or media from printer in which the pattern is formed by dots is described in this paper. This particular method printed out a special doted pattern by the testing printer and captured the image pattern through optical microscope with the integration of CCD CAMERA to process the image captured via image processing software. Several sets of dual dots distance were calculated and analyzed to come up with the printing resolution, not by the print head or optical scan module.

This method is suitable for testing any printing resolution that forms pattern with dots. The measuring method involves of a simple pattern design: two dots are separated and isolated at a proper distance, with the drafting software or control device to design a suitable diameter of a dot and gradually increase the distance between the center of the two dots, the increased value is less than the length of the resolution, increase the total length at least more than multiple times the testing resolution. Use this same method to print out several sets of patterns with perpendicular in horizontal and vertical axis respectively and capture the pattern from the combination of appropriate microscope and CCD zoom factor. Calculating the geometric center of the distance for the two points through the image processing software and from the compile statistics of the measured distances to come to know the distance change between horizontal and vertical axis would be the length of the printer resolution.
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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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