Vending Machines, When Inserting A Dollar Bill How Does The Machine Determine If It Is Real Or Fake?

Why does it reject bills sometimes then you reinsert them and it gets accepted?

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One Response to “Vending Machines, When Inserting A Dollar Bill How Does The Machine Determine If It Is Real Or Fake?”

  1. palmyraf Says:

    The vending machines like bills that are not folded or creased. It makes it easier to read the bills for the security features that are on them.

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