I print a lot of my e-mails at Outlook.com and Yahoo.com.
To make these prints fit properly on paper, here's how I've been doing things:
1) Click on the embeded 'Print' function, available for mails at both Outlook.com and Yahoo.com.
2) Bring up the Print Preview window (Alt+V) to customize the prints.
Now, here's the problem..
In earlier versions of Pale Moon, performing the the two steps above would bring up this toolbar:

..but with Pale Moon v27, it's not possible to customize the prints anymore, because this is all you get!:

