I have code 99 on my uniwell nx 5400 how do I fix it?
How do i change the date and time on Uniwell 5400 cash register?
how can I add item prise for first time on my uniwell nx5400?
IE 03 error code solution not working? Uniwell NX5400F?
uniwell corp ?
My cash register Uniwell shows 1E03 how to fix it?