Homebrew PCBs

A hair dryer may not get the board hot enough. I have had good luck
with one pass through the laminator, heat up with an iron, then pass
through the laminator again. 


--- In Homebrew_PCBs@yahoogroups.com, "Chuck Kelsey" <wb2edv@...> wrote:
>
> I picked up a new GBC 9" personal desktop laminator and tried some
boards 
> with no luck.
> 
> I'm using a 4" x 6" board with 1 oz. copper and it has a thickness of 
> 0.032". I clean it with a brillo pad and rinse thoroughly while
wiping with 
> a wet paper towel, then dry with a paper towel.
> 
> The laser printer is a Lexmark 4039 10plus set at the darkest
setting. Using 
> the Pulsar toner transfer paper.
> 
> The first attempt I ran the board (with the paper on the bottom) for 8 
> passes in different directions. The laminator ready light had been
on for 
> 15-20 minutes before I began. I also pre-heated the board with a
hair dryer.
> 
> I dropped the board with the paper into a container of water and let
it rest 
> until the paper floated off on its own. Right away I could see
pieces of 
> black toner floating in the water as I lifted the paper out.
> 
> My second attempt was done the same way, except I ran the board
through 16 
> times. Same problem - toner pieces floating around in the water.
> 
> This is very discouraging and I'm at a loss. Anyone have any
suggestions?
> 
> Chuck
> WB2EDV
>