How to mend Samsung Er240

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

does not print full amount on till entry?

samsung 4615 cash reg ?

closed message? samsung er-4615?

Samsung ER-5100?

How do I clear an error code pp?

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

Samsung er290?

My Samsung ER 650 screen is black?

samsung er290 cash register?

Memory All Clear a Samsung ER-4615?

how can i fix my Samsung ER290 cash register?

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

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

I need to reset my Samsung Cash Register?

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

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

Samsung ER 4915 not working?

samsung er150?

Cash Register?

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

cash registers ER-4615?

fixing key issues on a samsung ER 5100?

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

change tax for er4940 samsung?

Battery?

Samsung er4615 closed?

How can i clear extra lines appearing on screen?

How do I mend Samsung ER4615?

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