Nothing ventured, nothing gained! It was worth a try. Who knew? It might have worked. I know what you mean about wanting to do it right now!!! It boils down to "How bad do I want to do it? Am I willing to go to the store?" Often my answer is a resounding "NO!"
I think you're mighty brave to be running fabric through the printer. I know many have done it (my sister included) but I'm chicken!
Have fun when you do get your freezer paper.
(Wax paper is good for melting pieces of crayone between! First grade teacher talking now!)