How to mend Samsung Er5100 E1 Error

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

does not print full amount on till entry?

Memory All Clear a Samsung ER-4615?

Samsung er290?

How do I clear an error code pp?

samsung 4615 cash reg ?

Samsung er4615 closed?

How can i clear extra lines appearing on screen?

Battery?

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

change tax for er4940 samsung?

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

My Samsung ER 650 screen is black?

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

I need to reset my Samsung Cash Register?

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

Samsung ER 4915 not working?

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

cash registers ER-4615?

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

samsung er290 cash register?

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

how can i fix my Samsung ER290 cash register?

fixing key issues on a samsung ER 5100?

closed message? samsung er-4615?

Cash Register?

samsung er150?

How do I mend Samsung ER4615?

Samsung ER-5100?

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