How do I get the register key to turn to "P" for updating the sales tax?
How do I clear an error code pp?
How can i clear extra lines appearing on screen?
Samsung ER 4915 not working?
Operator's Manual - Samsung ER-290 Electronic Cash Register?
samsung er150?
Samsung ER-5100?
Why does the error code E1 show on screen and high pitched?
Paper in my Samsung ER4915 jammed. Now it doesn't work at all?
closed message? samsung er-4615?
can non-upc codes function be disabled for samsung sps 520 register?
change tax for er4940 samsung?
fixing key issues on a samsung ER 5100?
my samsung er-150 cash register makes a high pitched alarm sound on switch ?
how can i fix my Samsung ER290 cash register?