How to mend Samsung Er-50

cash registers ER-4615?

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

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

My Samsung ER 650 screen is black?

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

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

How can i clear extra lines appearing on screen?

samsung er150?

Battery?

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

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

Samsung ER-5100?

closed message? samsung er-4615?

How do I clear an error code pp?

Samsung ER 4915 not working?

How do I mend Samsung ER4615?

change tax for er4940 samsung?

samsung 4615 cash reg ?

does not print full amount on till entry?

samsung er290 cash register?

Samsung er4615 closed?

I need to reset my Samsung Cash Register?

Memory All Clear a Samsung ER-4615?

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

Cash Register?

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

fixing key issues on a samsung ER 5100?

Samsung er290?

how can i fix my Samsung ER290 cash register?

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