can non-upc codes function be disabled for samsung sps 520 register?
My Samsung ER 650 screen is black?
How do I get the register key to turn to "P" for updating the sales tax?
Why does the error code E1 show on screen and high pitched?
Samsung ER 4915 not working?
samsung er150?
cash registers ER-4615?
How can i clear extra lines appearing on screen?
change tax for er4940 samsung?
Samsung er4615 closed?
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?
Operator's Manual - Samsung ER-290 Electronic Cash Register?
fixing key issues on a samsung ER 5100?
I need to reset my Samsung Cash Register?