How to mend Samsung Er240

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

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

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

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

Samsung ER 4915 not working?

samsung er290 cash register?

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

closed message? samsung er-4615?

I need to reset my Samsung Cash Register?

cash registers ER-4615?

Samsung ER-5100?

How can i clear extra lines appearing on screen?

does not print full amount on till entry?

How do I clear an error code pp?

Cash Register?

change tax for er4940 samsung?

How do I mend Samsung ER4615?

Samsung er290?

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

samsung er150?

Memory All Clear a Samsung ER-4615?

My Samsung ER 650 screen is black?

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

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

how can i fix my Samsung ER290 cash register?

fixing key issues on a samsung ER 5100?

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

samsung 4615 cash reg ?

Battery?

Samsung er4615 closed?