Comparative Study between Variable Computer Printed Documents to Identify the Type of the Producing Output Devices

Authors

  • Abeer Sayed Abdo Borae
  • Yasser Fouad Abd El-Monem Al-Akid
  • Khaled Abd El-Azeem Mahmoud Tamim
  • NesrineAbd El-Rahman Mahmoud

DOI:

https://doi.org/10.37506/ijfmt.v16i2.17905

Keywords:

Forgery, inkjet printers, laser printers, photocopiers, questioned printed document.

Abstract

Background: Within the last years, forgery has markedly increased and expanded to encompass
computers and printers’ usage, their wide evolution facilitated the production of fraudulent printed
documents by even non-experts. The printers and photocopiers leave their imprints on the produced
documents. Examination of printed output of a questioned document is essential as it provides
information about the producing device.
This study aims to compare the characteristics of different computer printed documents to identify the
type of the producing output devices (photocopier, inkjet, and laser printers).
Methods: 132 documents were typed and printed using different models of inkjet, laser printers
and photocopiers. The produced documents were examined with direct light digital microscope and
ultraviolet light and the printed markings were compared.
Conclusion: Our results revealed that each class of the studied printing devices induced specific criteria
on the examined printed documents. These criteria are class characteristics but differ from one type of
device to another.

Author Biographies

  • Abeer Sayed Abdo Borae

    Assistant Lecturer at Forensic Medicine and Clinical Toxicology Department, Faculty of
    Medicine, Ain Shams University, Cairo, Egypt.

  • Yasser Fouad Abd El-Monem Al-Akid

    Professor, at Forensic Labs in General Administration of Criminal Evidence

  • Khaled Abd El-Azeem Mahmoud Tamim

    General Doctor and Former Director of Document Examination at Forensic Labs in General Administration of Criminal Evidence

  • NesrineAbd El-Rahman Mahmoud

    Assistant Professor, Department of Forensic Medicine and Clinical Toxicology, Faculty of Medicine, Ain Shams University, Cairo, Egypt

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Published

2022-04-12

How to Cite

Comparative Study between Variable Computer Printed Documents to Identify the Type of the Producing Output Devices. (2022). Indian Journal of Forensic Medicine & Toxicology, 16(2), 1-10. https://doi.org/10.37506/ijfmt.v16i2.17905