can non-upc codes function be disabled for samsung sps 520 register?
Why does the error code E1 show on screen and high pitched?
how can i fix my Samsung ER290 cash register?
How do I get the register key to turn to "P" for updating the sales tax?
cash registers ER-4615?
samsung er290 cash register?
clear E3 error code on samsung er-290 cash register?
closed message? samsung er-4615?
Samsung er290?
I can't open the drawer. It has a squeal like a key is stuck?
I need to reset my Samsung Cash Register?
samsung 4615 cash reg ?
Operator's Manual - Samsung ER-290 Electronic Cash Register?
fixing key issues on a samsung ER 5100?
Samsung ER 4915 not working?
How do I clear an error code pp?
How do I mend Samsung ER4615?
On screen is 'PCo' and nothing is functioning, how to correct?