How do I get the register key to turn to "P" for updating the sales tax?
Cash Register?
Operator's Manual - Samsung ER-290 Electronic Cash Register?
I can't open the drawer. It has a squeal like a key is stuck?
I need to reset my Samsung Cash Register?
samsung er150?
clear E3 error code on samsung er-290 cash register?
On screen is 'PCo' and nothing is functioning, how to correct?
how can i fix my Samsung ER290 cash register?
Samsung ER 4915 not working?
does not print full amount on till entry?
Why does the error code E1 show on screen and high pitched?
My Samsung ER 650 screen is black?
change tax for er4940 samsung?
How can i clear extra lines appearing on screen?