How to mend Mark Re Samsung

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?

samsung er290 cash register?

does not print full amount on till entry?

samsung 4615 cash reg ?

samsung er150?

Battery?

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

Memory All Clear a Samsung ER-4615?

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

how can i fix my Samsung ER290 cash register?

cash registers ER-4615?

closed message? samsung er-4615?

change tax for er4940 samsung?

Cash Register?

Samsung ER-5100?

How can i clear extra lines appearing on screen?

Samsung er4615 closed?

My Samsung ER 650 screen is black?

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

How do I mend Samsung ER4615?

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

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

How do I clear an error code pp?

I need to reset my Samsung Cash Register?

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

Samsung er290?

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

fixing key issues on a samsung ER 5100?

Samsung ER 4915 not working?