Having started my career in banking as a teller, I would train without the dispenser first and then do the dispenser training. I loved the dispenser, we did not ever use a recycler so I am not versed on those. You can really get dependent on those dispensers and we had times when they did not work and it really slowed the tellers down.
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Define Success on your own terms, achieve it by your own rules, and build a life you are proud of. Anne Sweeney