How to mend Samsung Er-380

I need to reset my Samsung Cash Register?

How do I clear an error code pp?

How can i clear extra lines appearing on screen?

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

How do I mend Samsung ER4615?

how can i fix my Samsung ER290 cash register?

Battery?

cash registers ER-4615?

samsung 4615 cash reg ?

Samsung ER 4915 not working?

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

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

samsung er150?

closed message? samsung er-4615?

Cash Register?

My Samsung ER 650 screen is black?

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

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

Samsung er290?

change tax for er4940 samsung?

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

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

Memory All Clear a Samsung ER-4615?

Samsung ER-5100?

does not print full amount on till entry?

fixing key issues on a samsung ER 5100?

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

samsung er290 cash register?

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

Samsung er4615 closed?