How to mend Samsung Er350

how can i fix my Samsung ER290 cash register?

Samsung er290?

change tax for er4940 samsung?

How do I clear an error code pp?

Memory All Clear a Samsung ER-4615?

How can i clear extra lines appearing on screen?

My Samsung ER 650 screen is black?

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

Cash Register?

cash registers ER-4615?

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

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

How do I mend Samsung ER4615?

samsung er150?

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

does not print full amount on till entry?

closed message? samsung er-4615?

Battery?

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

samsung er290 cash register?

Samsung er4615 closed?

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

samsung 4615 cash reg ?

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

Samsung ER 4915 not working?

I need to reset my Samsung Cash Register?

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

fixing key issues on a samsung ER 5100?

Samsung ER-5100?

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