My Samsung ER 650 screen is black?
Samsung ER-5100?
On screen is 'PCo' and nothing is functioning, how to correct?
fixing key issues on a samsung ER 5100?
my samsung er-150 cash register makes a high pitched alarm sound on switch ?
does not print full amount on till entry?
How do I clear an error code pp?
closed message? samsung er-4615?
Why does the error code E1 show on screen and high pitched?
I can't open the drawer. It has a squeal like a key is stuck?
change tax for er4940 samsung?
samsung er290 cash register?