I always use acetone myself. I find that if I don't use enough to fully wet and dissolve the toner it tends to stain the board. So I just slosh some on the board, let it sit for a second or so, and wipe up the toner/acetone with a few sheets of paper towels.
Aaron
--- In Homebrew_PCBs@yahoogroups.com, "nathan_h_tna" <nathan_h_tna@...> wrote:
>
> After etching my board I cleaned it off with acetone, and although most of the toner was cleaned off, some of it smeared:
>
> http://www.roboticsguy.com/images/misc/smeared-toner.jpg
>
> What's the best way to clean the toner off the board?
>