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Calibrating the BL-700-USD4. Potentiometers?


Duncan Vancouver

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The bill validator takes the 1,5,10,20 bills and spits them back out.  I read that the potentiometers (variable resistors) are the usual culprit.  The underside of the validator has an access panel with 6 small squares in a Z pattern with phillipes head plastic adjustments.  Just not sure which one/ones to start turning and in which direction. 

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