How to mend Samsung Cash Register

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

Battery?

How do I mend Samsung ER4615?

samsung er290 cash register?

samsung er150?

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

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

how can i fix my Samsung ER290 cash register?

fixing key issues on a samsung ER 5100?

My Samsung ER 650 screen is black?

How do I clear an error code pp?

Samsung ER 4915 not working?

I need to reset my Samsung Cash Register?

Memory All Clear a Samsung ER-4615?

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

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

Samsung er4615 closed?

Samsung er290?

cash registers ER-4615?

samsung 4615 cash reg ?

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

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

change tax for er4940 samsung?

closed message? samsung er-4615?

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

Cash Register?

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

How can i clear extra lines appearing on screen?

does not print full amount on till entry?

Samsung ER-5100?