Archive of the former Yahoo!Groups mailing list: Homebrew PCBs

I have tried several different types of paper and the best I found is labeled
HAMMERMILL COLOR LASER GLOSS  It is thinner than the photo paper I tried, it is glossy coated on both sides. Soaks off in water very rapidly, also a lot cheaper than most photo paper, about $14.00 for 300 sheets.
Try what you have, you may have to adjust some times and amount of solvent mix used.

Yes after the paper was positioned I flooded the back of the paper with the solvent mixture. Thought this would guarantee that the toner was softened by the solvent mixture.  It only took a eyedropper full and the paper started to look translucent.  I could clearly see the toner pattern through the paper.  You might not be able to see this with a heavier paper.

After it looked like I had uniform coverage of the solvent mix, I waited abut 30 seconds before covering with a folded paper towel and applied pressure for about a minute. In one of my first tests per the video I just waited about two minutes and removed the paper towel.  I had a couple of spots where the toner that did not sick to the board.   So this time I took the rounded back of a fork and burnished to press the toner down to the board. First with the paper towel in place so as not to move the laser paper directly, then I took the towel off and burnished the laser paper. Total burnishing time about two minutes.  While burnishing I could see that  the solvent  was evaporating and the paper becoming opaque again. 

I let the paper dry about 2 minutes for any remaining solvent to evaporate, and then soaked in water.
This paper soaks through real quickly and you can easily see the toner through it when ready for cleaning the board.

I have been really happy with the results I got and this will be my preferred method from now on. Since I only used about 2 eyedroppers full of the mix, the remainder of the quart can of Xylene should last a very long time.

Price for the denatured alcohol and Xylene were each about $7.00 a quart from Home-Depot.  This is much less expensive than getting a laminator.
DuWayne