How to mend Cash Register Samsung

I need to reset my Samsung Cash Register?

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

Samsung ER-5100?

Battery?

does not print full amount on till entry?

how can i fix my Samsung ER290 cash register?

My Samsung ER 650 screen is black?

cash registers ER-4615?

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

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

Samsung ER 4915 not working?

How can i clear extra lines appearing on screen?

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

Memory All Clear a Samsung ER-4615?

samsung er290 cash register?

fixing key issues on a samsung ER 5100?

Samsung er290?

closed message? samsung er-4615?

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

How do I mend Samsung ER4615?

How do I clear an error code pp?

Cash Register?

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

Operator's Manual - Samsung ER-290 Electronic 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?

change tax for er4940 samsung?

samsung 4615 cash reg ?

Samsung er4615 closed?