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?
Battery?
Samsung er290?
clear E3 error code on samsung er-290 cash register?
can non-upc codes function be disabled for samsung sps 520 register?
How do I mend Samsung ER4615?
Memory All Clear a Samsung ER-4615?
Operator's Manual - Samsung ER-290 Electronic Cash Register?
my samsung er-150 cash register makes a high pitched alarm sound on switch ?
Samsung er4615 closed?
How can i clear extra lines appearing on screen?
I can't open the drawer. It has a squeal like a key is stuck?
samsung er290 cash register?
Why does the error code E1 show on screen and high pitched?