On screen is 'PCo' and nothing is functioning, how to correct?
My Samsung ER 650 screen is black?
samsung 4615 cash reg ?
Why does the error code E1 show on screen and high pitched?
How do I get the register key to turn to "P" for updating the sales tax?
clear E3 error code on samsung er-290 cash register?
Operator's Manual - Samsung ER-290 Electronic Cash Register?
Battery?
Paper in my Samsung ER4915 jammed. Now it doesn't work at all?
cash registers ER-4615?
I need to reset my Samsung Cash Register?
I can't open the drawer. It has a squeal like a key is stuck?