How to mend Samsung Er-240

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

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

closed message? samsung er-4615?

Samsung ER 4915 not working?

samsung 4615 cash reg ?

Battery?

Cash Register?

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

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

does not print full amount on till entry?

how can i fix my Samsung ER290 cash register?

change tax for er4940 samsung?

My Samsung ER 650 screen is black?

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

fixing key issues on a samsung ER 5100?

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

How do I mend Samsung ER4615?

Samsung er290?

Samsung ER-5100?

samsung er290 cash register?

cash registers ER-4615?

How do I clear an error code pp?

samsung er150?

I need to reset my Samsung Cash Register?

Samsung er4615 closed?

Memory All Clear a Samsung ER-4615?

How can i clear extra lines appearing on screen?

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

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

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