On screen is 'PCo' and nothing is functioning, how to correct?
Samsung ER 4915 not working?
samsung er290 cash register?
How do I get the register key to turn to "P" for updating the sales tax?
my samsung er-150 cash register makes a high pitched alarm sound on switch ?
Paper in my Samsung ER4915 jammed. Now it doesn't work at all?
clear E3 error code on samsung er-290 cash register?
closed message? samsung er-4615?
Memory All Clear a Samsung ER-4615?
I need to reset my Samsung Cash Register?
Operator's Manual - Samsung ER-290 Electronic Cash Register?
does not print full amount on till entry?