How do I get the register key to turn to "P" for updating the sales tax?
samsung er290 cash register?
My Samsung ER 650 screen is black?
I need to reset my Samsung Cash Register?
How do I mend Samsung ER4615?
change tax for er4940 samsung?
Why does the error code E1 show on screen and high pitched?
fixing key issues on a samsung ER 5100?
Samsung er290?
Cash Register?
Samsung ER 4915 not working?
I can't open the drawer. It has a squeal like a key is stuck?
closed message? samsung er-4615?
How do I clear an error code pp?
how can i fix my Samsung ER290 cash register?
samsung er150?
On screen is 'PCo' and nothing is functioning, how to correct?
can non-upc codes function be disabled for samsung sps 520 register?