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How can i clear extra lines appearing on screen?
can non-upc codes function be disabled for samsung sps 520 register?
Why does the error code E1 show on screen and high pitched?
Samsung ER 4915 not working?
Operator's Manual - Samsung ER-290 Electronic Cash Register?
my samsung er-150 cash register makes a high pitched alarm sound on switch ?
My Samsung ER 650 screen is black?
how can i fix my Samsung ER290 cash register?
On screen is 'PCo' and nothing is functioning, how to correct?
I can't open the drawer. It has a squeal like a key is stuck?
How do I clear an error code pp?
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