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On screen is 'PCo' and nothing is functioning, how to correct?
can non-upc codes function be disabled for samsung sps 520 register?
Why does the error code E1 show on screen and high pitched?
does not print full amount on till entry?
My Samsung ER 650 screen is black?
samsung er290 cash register?
my samsung er-150 cash register makes a high pitched alarm sound on switch ?
samsung 4615 cash reg ?
clear E3 error code on samsung er-290 cash register?
Samsung er290?
Operator's Manual - Samsung ER-290 Electronic Cash Register?
Samsung ER 4915 not working?
Samsung er4615 closed?
I can't open the drawer. It has a squeal like a key is stuck?
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