Inspector/ Appearance tab/ Fill section/ select None
This might do it for you. I'm also assuming that you have one display for 'screen viewing' and another that is printer-friendly, yes? Having two versions of the layout is simpler in some contexts.
Yes, you assumed rightly.
However I followed your advice but the background is still yellow.
Da: mardikennedy firstname.lastname@example.org
Inviato: giovedì 20 marzo 2014 07:30
A: Paolo Zammitti
Oggetto: Re: Problem with colour of print preview background