How do I change the Tax on a Unwell 5400 Tii?
Chaange Company name & date on cash register?
how can I add item prise for first time on my uniwell nx5400?
uniwell cash register?
How do I clear error - I E-03 ?
how to change date on uniwell px5700 cash register?
I have code 99 on my uniwell nx 5400 how do I fix it?
My cash register Uniwell shows 1E03 how to fix it?
how to change the the discount pcerntage?
How do I fix my uniwell NX5400 cash register?
How do i change the date and time on Uniwell 5400 cash register?
how to fix frozen screen on uniwell dx 915?