On screen is 'PCo' and nothing is functioning, how to correct?
My Samsung ER 650 screen is black?
Battery?
fixing key issues on a samsung ER 5100?
How do I get the register key to turn to "P" for updating the sales tax?
can non-upc codes function be disabled for samsung sps 520 register?
change tax for er4940 samsung?
my samsung er-150 cash register makes a high pitched alarm sound on switch ?
I need to reset my Samsung Cash Register?
samsung er150?
Samsung er4615 closed?
Paper in my Samsung ER4915 jammed. Now it doesn't work at all?
Why does the error code E1 show on screen and high pitched?
samsung 4615 cash reg ?
How do I clear an error code pp?
I can't open the drawer. It has a squeal like a key is stuck?
Samsung ER-5100?
closed message? samsung er-4615?