How to mend Samsung Er240

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

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

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

does not print full amount on till entry?

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

closed message? samsung er-4615?

how can i fix my Samsung ER290 cash register?

Samsung er290?

samsung 4615 cash reg ?

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

fixing key issues on a samsung ER 5100?

I need to reset my Samsung Cash Register?

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

Battery?

Cash Register?

change tax for er4940 samsung?

How can i clear extra lines appearing on screen?

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

Samsung er4615 closed?

samsung er150?

My Samsung ER 650 screen is black?

Memory All Clear a Samsung ER-4615?

samsung er290 cash register?

cash registers ER-4615?

How do I mend Samsung ER4615?

Samsung ER 4915 not working?

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

How do I clear an error code pp?

Samsung ER-5100?

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