Originally Posted by janek
works regardless of the number of pages. Just open the merged file in Xournal, and print it. If you want to print it on another machine, just print it to file first - this "flattens" the layered pdf and I expect after that printing should work with any pdf reader. I haven't tested this myself, though.
*g* Being the 'someone' mentioned, I can confirm that.
initx: check out the wiki (you'll also find this issue in the wishlist
update: actually, shame on me, I didn't link it... I've added it to the Tweaks now, though :P