On screen is 'PCo' and nothing is functioning, how to correct?
can non-upc codes function be disabled for samsung sps 520 register?
my samsung er-150 cash register makes a high pitched alarm sound on switch ?
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?
How can i clear extra lines appearing on screen?
samsung er290 cash register?
does not print full amount on till entry?
I can't open the drawer. It has a squeal like a key is stuck?
Operator's Manual - Samsung ER-290 Electronic Cash Register?
Samsung ER-5100?
How do I clear an error code pp?
Memory All Clear a Samsung ER-4615?
clear E3 error code on samsung er-290 cash register?
cash registers ER-4615?