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Print Quality Improvement Through Dot Synthesis and Optimization

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The main control mechanism of impact digital printing systems can be synthesized using dots on a plane field. Using the synthesized images we can simulate real printing situations without having to prototype actual hardware. The effects of dot placement and individual dot attributes can be modeled effectively in a linear fashion with additive methods. Modeling the dot over-lap, dot edges, density profile, size and overall shape, individually will give the individual parameters for the dot attributes. The linearity is determined through direct synthesis of measurable objects such as barcodes. In this manner, we are able to verify the results of the dot generation algorithms. The method can, furthermore, be expanded to a more general case for all object types. The synthesis method is used to assertain if defects are caused by the hardware placement problems or incompatibility of ink to the media surface. Examples are given to demonstrate how to optimize the print quality by manipulating the dot attributes and the dot placement algorithms with barcodes, and the work being done to expand the method to a more generalized analysis system.

Document Type: Research Article

Publication date: January 1, 2004

More about this publication?
  • For more than 25 years, NIP has been the leading forum for discussion of advances and new directions in non-impact and digital printing technologies. A comprehensive, industry-wide conference, this meeting includes all aspects of the hardware, materials, software, images, and applications associated with digital printing systems, including drop-on-demand ink jet, wide format ink jet, desktop and continuous ink jet, toner-based electrophotographic printers, production digital printing systems, and thermal printing systems, as well as the engineering capability, optimization, and science involved in these fields.

    Since 2005, NIP has been held in conjunction with the Digital Fabrication Conference.

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