How to mend Samsung 4615 Cash Reg

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

samsung er150?

Samsung ER 4915 not working?

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

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

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

How can i clear extra lines appearing on screen?

Samsung er4615 closed?

Samsung er290?

samsung er290 cash register?

How do I clear an error code pp?

closed message? samsung er-4615?

cash registers ER-4615?

I need to reset my Samsung Cash Register?

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

My Samsung ER 650 screen is black?

change tax for er4940 samsung?

how can i fix my Samsung ER290 cash register?

fixing key issues on a samsung ER 5100?

Samsung ER-5100?

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

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

does not print full amount on till entry?

Memory All Clear a Samsung ER-4615?

How do I mend Samsung ER4615?

Cash Register?

Battery?

samsung 4615 cash reg ?

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

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