Nero Cover Designer

I am using Cover Designer but I can not seem to be able to centre the design I am making.

I purchased Pressit Jewel Case Inserts and am using the Pressit CD Inserts (A4) paper stock in Cover Designer which seems to be the best format.
However, the paper stock prints everything starting from top left, the actual cut-outs are centred on each sheet of A4.

I can design and view the labels with no problem, but I can not print because of the above quirk and there does not seem any way to alter the paper stock to print centrally.

Can anyone offer any help?

Does this mean I have to create a new paper stock from stratch?