How can i clear extra lines appearing on screen?
Why does the error code E1 show on screen and high pitched?
change tax for er4940 samsung?
Operator's Manual - Samsung ER-290 Electronic Cash Register?
Memory All Clear a Samsung ER-4615?
closed message? samsung er-4615?
How do I mend Samsung ER4615?
How do I get the register key to turn to "P" for updating the sales tax?
can non-upc codes function be disabled for samsung sps 520 register?
On screen is 'PCo' and nothing is functioning, how to correct?
Battery?
my samsung er-150 cash register makes a high pitched alarm sound on switch ?