How to mend Samsung Er-4391s

Battery?

Cash Register?

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

change tax for er4940 samsung?

How do I clear an error code pp?

samsung er290 cash register?

Samsung er4615 closed?

Memory All Clear a Samsung ER-4615?

How can i clear extra lines appearing on screen?

How do I mend Samsung ER4615?

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

Samsung er290?

cash registers ER-4615?

samsung 4615 cash reg ?

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

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?

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

how can i fix my Samsung ER290 cash register?

Samsung ER 4915 not working?

closed message? samsung er-4615?

My Samsung ER 650 screen is black?

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

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

does not print full amount on till entry?

Samsung ER-5100?

fixing key issues on a samsung ER 5100?

samsung er150?

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

I need to reset my Samsung Cash Register?