Print out secure Ebook as a file = DRM removed?

Hello all.
I´m posting a question, I have wrtitten to Adobe about, but never recieved an answer to.
Maybe someone in here can clear it up:
Dear Adobe
We are considering buying a Content Server solution [...] for distributing binders [...]. But we became aware of at problem: Is it really possible to buy a Digital Editions Ebook, download it (open it in Digital Editions), and then later choose to print it out as a file? I seems to me, that I actual - in Digital Editions - can choose Microsoft XPS Document Writere as my printer. The result is a XPS file, thats looks like the original, but has no DRM on it at all. Am I overlooking something?
Kind regards
Is this really possible?

Dear Jim
Thanks for your reply.
I have experimented with printing from ADE at DPI 300, and I think it works well - or at least "okay".
The problem is: I can not simply turn the printíng feature off. The material I wish to secure with ADE and CS4 is teaching materials, and the end-user needs to be able to take it to an exam in paper-form. The student needs to be able to print at least parts of the material (when they take their tests, they are allowed to bring books and notes, but not computers that could connect to the internet)
But when the printing option is not removed, the only thing a student needs to do, to remove the DRM is to choose to print as I described. This means: One student can buy the material, print it out as an XPS-file, and start sharing it for free. When your working at a college or university, the problem seems like a real concern.
Kind Regards
Søren Hjortal

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