How to mend Samsung Er-100

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

Samsung ER 4915 not working?

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

Samsung ER-5100?

cash registers ER-4615?

How can i clear extra lines appearing on screen?

closed message? samsung er-4615?

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

does not print full amount on till entry?

I need to reset my Samsung Cash Register?

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

How do I mend Samsung ER4615?

Samsung er4615 closed?

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

Cash Register?

fixing key issues on a samsung ER 5100?

how can i fix my Samsung ER290 cash register?

Samsung er290?

change tax for er4940 samsung?

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

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

Memory All Clear a Samsung ER-4615?

My Samsung ER 650 screen is black?

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

samsung er290 cash register?

Battery?

How do I clear an error code pp?

samsung er150?

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

samsung 4615 cash reg ?