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3) The print button:
If this were the main screen of an app, or a sakai page, and were grouped with several other functions, left align feels correct. However, this is not really a main page - it is more like a dialog window or a print preview where there are limited actions to take place - in such cases, you generally have 1 or 2 buttons at the bottom of the window. Also, I feel like it's getting lost all by itself and it's placement in the same bar as the "close" (or "x") feels foreign - generally, print functions would be in another non-scrollable area above or below that bar.
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It's possible that the implementation varies from the spec, so I apologize if my comments have already been made irrelevant. I'm going to attach a diagram that is a visual representation of what I'm suggesting ("view 1 user UI suggestions.jpg").
Suggestion 1 is only 1, 2a, and 3a
Suggestion 2 is 1, 2b, and 3b
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