1.1 This guide provides procedures that should be used by forensic document examiners (Guide E 444) for examinations of documents produced with toner technology, and related procedures.1.2 These procedures are applicable whether the examination is of questioned and known item(s) or of exclusively questioned item(s).1.3 These procedures include evaluation of the sufficiency of the material available for examination.1.4 The particular methods used in a given case will depen