How can I add a item on Uniwell nx-5400?

How can I add a item on Uniwell nx-5400

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Uniwell nx-5400?

Change the logo on uniwell nx-5400

How do I clear error - I E-03 ?

I have a error - I E-03 on my Uniwell Corp - NX-5400F cash Register and would like to know how do I clear the error?

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X/Z reports showing time and date?

How do I make the X/Z reports show time and date on uniwell NX 5400 cash register?

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I have code 99 on my uniwell nx 5400 how do I fix it?

How do I fix code99 on my uniwell. Nx 5400

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