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