How to mend Samsung Er 150

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?

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

how can i fix my Samsung ER290 cash register?

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

Samsung ER 4915 not working?

cash registers ER-4615?

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

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

How do I mend Samsung ER4615?

My Samsung ER 650 screen is black?

samsung 4615 cash reg ?

How can i clear extra lines appearing on screen?

fixing key issues on a samsung ER 5100?

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

Samsung er4615 closed?

Memory All Clear a Samsung ER-4615?

Samsung er290?

Battery?

samsung er290 cash register?

does not print full amount on till entry?

change tax for er4940 samsung?

Samsung ER-5100?

I need to reset my Samsung Cash Register?

samsung er150?

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

How do I clear an error code pp?

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

closed message? samsung er-4615?

Cash Register?