How do I get the register key to turn to "P" for updating the sales tax?
my samsung er-150 cash register makes a high pitched alarm sound on switch ?
fixing key issues on a samsung ER 5100?
How do I clear an error code pp?
Operator's Manual - Samsung ER-290 Electronic Cash Register?
samsung er290 cash register?
Samsung er290?
How can i clear extra lines appearing on screen?
Why does the error code E1 show on screen and high pitched?
clear E3 error code on samsung er-290 cash register?
Samsung ER-5100?
I need to reset my Samsung Cash Register?
I can't open the drawer. It has a squeal like a key is stuck?
can non-upc codes function be disabled for samsung sps 520 register?
samsung 4615 cash reg ?