On screen is 'PCo' and nothing is functioning, how to correct?
Memory All Clear a Samsung ER-4615?
How do I get the register key to turn to "P" for updating the sales tax?
clear E3 error code on samsung er-290 cash register?
my samsung er-150 cash register makes a high pitched alarm sound on switch ?
How can i clear extra lines appearing on screen?
I need to reset my Samsung Cash Register?
Battery?
I can't open the drawer. It has a squeal like a key is stuck?