How to mend Samsung Er350

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

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

Cash Register?

Samsung ER 4915 not working?

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

Samsung er290?

cash registers ER-4615?

how can i fix my Samsung ER290 cash register?

Memory All Clear a Samsung ER-4615?

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

change tax for er4940 samsung?

fixing key issues on a samsung ER 5100?

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 er150?

samsung er290 cash register?

How do I mend Samsung ER4615?

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 650 screen is black?

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

samsung 4615 cash reg ?

Samsung er4615 closed?

I need to reset my Samsung Cash Register?

closed message? samsung er-4615?

How do I clear an error code pp?

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

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

Samsung ER-5100?

Battery?