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![]() ![]() ![]() Q I made a copy on my photocopier and the hidden message did not appear. In security printing, void pantograph refers to a method of making copy-evident and tamper-resistant patterns in the background of a document. ![]() However messages cannot be guaranteed to appear 100% of the time when used with all copiers or scanners. Thus messages hidden on Document Security Paper will appear most of the time. Hidden Message Technology Void Pantograph It is important to note that copier technology is ever changing. ![]()
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