How to mend Samsung Er 4800

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

Samsung er290?

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

How can i clear extra lines appearing on screen?

closed message? samsung er-4615?

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

I need to reset my Samsung Cash Register?

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

does not print full amount on till entry?

Samsung er4615 closed?

Cash Register?

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

How do I clear an error code pp?

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

Memory All Clear a Samsung ER-4615?

Battery?

My Samsung ER 650 screen is black?

Samsung ER 4915 not working?

how can i fix my Samsung ER290 cash register?

samsung er290 cash register?

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

cash registers ER-4615?

samsung 4615 cash reg ?

change tax for er4940 samsung?

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

How do I mend Samsung ER4615?

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

samsung er150?

Samsung ER-5100?

fixing key issues on a samsung ER 5100?