Homebrew PCBs

>
>Anyone ever seen one of these work.
>
>http://www.novachromeusa.com/Epssublijet.html
>
>I once had to fit some pc's into a small sign shop about 5 years ago and
>they had one of these (may not have been the exact model, but I think it
>was the 12XX, and used cartridges not bulk like the photo)
>
>They used it to print name plates onto little brass door signs ie
>'manager' 'reception'
>
>It really printed a dark waxy black ink, I'm sure it would resist etching.

As they say, you have to "pre-coat" the metal plate, to allow sublimation.
Will that allow etching?
Will it be removable after etching?
Cristian