A useful trick I learnt in my mixed media class - you can print on Vylene by simply cutting it to A4 size, and taping it to the corners of an A4 sheet of paper, with the glue side facing down (to the A4 sheet). Feed through your printer as usual.
I photocopied my stitched artwork to try it out. Once printed, you can use it in a collage (if you use a thin Vylene, it is kind of transparent), or you can iron it onto fabric, and use the image in a quilt, for example. Cool, hey!