fixing key issues on a samsung ER 5100?
VAT rate change?
I need to reset my Samsung Cash Register?
How can i clear extra lines appearing on screen?
my samsung er-150 cash register makes a high pitched alarm sound on switch ?
Samsung er4615 closed?
Why does the error code E1 show on screen and high pitched?
How do I mend Samsung ER4615?
clear E3 error code on samsung er-290 cash register?