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On screen is 'PCo' and nothing is functioning, how to correct?
fixing key issues on a samsung ER 5100?
Operator's Manual - Samsung ER-290 Electronic Cash Register?
does not print full amount on till entry?
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I need to reset my Samsung Cash Register?
Memory All Clear a Samsung ER-4615?
my samsung er-150 cash register makes a high pitched alarm sound on switch ?
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Paper in my Samsung ER4915 jammed. Now it doesn't work at all?