How do I get the register key to turn to "P" for updating the sales tax?
On screen is 'PCo' and nothing is functioning, how to correct?
can non-upc codes function be disabled for samsung sps 520 register?
samsung er290 cash register?
Memory All Clear a Samsung ER-4615?
How can i clear extra lines appearing on screen?
How do I clear an error code pp?
fixing key issues on a samsung ER 5100?
change tax for er4940 samsung?
closed message? samsung er-4615?
Operator's Manual - Samsung ER-290 Electronic Cash Register?
samsung 4615 cash reg ?
I can't open the drawer. It has a squeal like a key is stuck?
How do I mend Samsung ER4615?
my samsung er-150 cash register makes a high pitched alarm sound on switch ?
I need to reset my Samsung Cash Register?
Why does the error code E1 show on screen and high pitched?
clear E3 error code on samsung er-290 cash register?