how to reset uniwell nx5400 ecr?
I have code 99 on my uniwell nx 5400 how do I fix it?
My cash register Uniwell shows 1E03 how to fix it?
Uniwell error message?
how can I add item prise for first time on my uniwell nx5400?
how do i remove the tax in UNIWELL NX-5400 please send me a procedure?
how to change date on uniwell px5700 cash register?
how to change the the discount pcerntage?
uniwell NX5400 cashregister?
How can I add a item on Uniwell nx-5400?
How do I fix my uniwell NX5400 cash register?
How do i change the date and time on Uniwell 5400 cash register?