my samsung er-150 cash register makes a high pitched alarm sound on switch ?
I can't open the drawer. It has a squeal like a key is stuck?
On screen is 'PCo' and nothing is functioning, how to correct?
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cash registers ER-4615?
Operator's Manual - Samsung ER-290 Electronic Cash Register?
closed message? samsung er-4615?
Paper in my Samsung ER4915 jammed. Now it doesn't work at all?
Why does the error code E1 show on screen and high pitched?
Memory All Clear a Samsung ER-4615?
fixing key issues on a samsung ER 5100?
how can i fix my Samsung ER290 cash register?