Analysis and Evaluation of Magnetism of Black Toners on Documents Printed by Electrophotographic Systems
Forensic Science International, Volume 267, pages 157–165, Forthcoming
15 Pages Posted: 14 Sep 2016
Date Written: September 13, 2016
This paper reports on a study to assess the potential of measurements of magnetism, using a proprietary magnetic analysis system, for the routine analysis of toners on documents printed by black and white electrophotographic systems. Magnetic properties of black toners on documents printed by a number of different devices were measured and compared. Our results indicate that the analysis of magnetism is complementary to traditional methods for analysing black toners, such as FTIR. Further, we find that the analysis of magnetism is realistically applicable in closed set cases, that is when the number of potential printing devices can be clearly defined.
Keywords: Forensic Science, Document Examination, Magnetic Toner, Statistics
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