Analysis and Differentiation of Photocopy Toners.

  • R N Totty
  • Published 1990 in Forensic science review


The identification and classification of photocopiers presents particular problems for the document examiner. While comparison of defect marks serves to identify copies produced on an individual office copy machine, it is often necessary to eliminate large numbers of machines as possible sources before commencing this detailed examination. Differentiation… (More)


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