How can i clear extra lines appearing on screen?
Samsung er4615 closed?
my samsung er-150 cash register makes a high pitched alarm sound on switch ?
change tax for er4940 samsung?
How do I get the register key to turn to "P" for updating the sales tax?
My Samsung ER 650 screen is black?
Memory All Clear a Samsung ER-4615?
How do I mend Samsung ER4615?
Why does the error code E1 show on screen and high pitched?
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Operator's Manual - Samsung ER-290 Electronic Cash Register?
VAT rate change?
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Samsung ER 4915 not working?
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I can't open the drawer. It has a squeal like a key is stuck?