On screen is 'PCo' and nothing is functioning, how to correct?
How do I get the register key to turn to "P" for updating the sales tax?
VAT rate change?
clear E3 error code on samsung er-290 cash register?
my samsung er-150 cash register makes a high pitched alarm sound on switch ?
can non-upc codes function be disabled for samsung sps 520 register?
change tax for er4940 samsung?
Memory All Clear a Samsung ER-4615?
how can i fix my Samsung ER290 cash register?
closed message? samsung er-4615?
I can't open the drawer. It has a squeal like a key is stuck?
Samsung er290?