how to change the the discount pcerntage?
I have code 99 on my uniwell nx 5400 how do I fix it?
Uniwell error message?
Chaange Company name & date on cash register?
how to reset uniwell nx5400 ecr?
how to change date on uniwell px5700 cash register?
How can I add a item on Uniwell nx-5400?
How do i change the date and time on Uniwell 5400 cash register?
X/Z reports showing time and date?
How to change Logo on Uniwell NX-5400?
how do i remove the tax in UNIWELL NX-5400 please send me a procedure?
how to fix frozen screen on uniwell dx 915?