How to mend Samsung 571

On screen is 'PCo' and nothing is functioning, how to correct?

Samsung er4615 closed?

change tax for er4940 samsung?

How can i clear extra lines appearing on screen?

does not print full amount on till entry?

How do I clear an error code pp?

Memory All Clear a Samsung ER-4615?

samsung er290 cash register?

I can't open the drawer. It has a squeal like a key is stuck?

clear E3 error code on samsung er-290 cash register?

Operator's Manual - Samsung ER-290 Electronic Cash Register?

cash registers ER-4615?

Samsung ER-5100?

how can i fix my Samsung ER290 cash register?

Battery?

Why does the error code E1 show on screen and high pitched?

Samsung er290?

I need to reset my Samsung Cash Register?

How do I get the register key to turn to "P" for updating the sales tax?

Paper in my Samsung ER4915 jammed. Now it doesn't work at all?

Samsung ER 4915 not working?

closed message? samsung er-4615?

my samsung er-150 cash register makes a high pitched alarm sound on switch ?

My Samsung ER 650 screen is black?

can non-upc codes function be disabled for samsung sps 520 register?

How do I mend Samsung ER4615?

samsung 4615 cash reg ?

Cash Register?

fixing key issues on a samsung ER 5100?

samsung er150?