Homebrew PCBs

shuttleau wrote:
> All
> 
> I have started using the toner transfer process and it generally works
> well for what I make. 
> 
> One problem is the track edges. Sometime they are "ragged" , not a
> straight line. The toner transfer on the copper is straight, but the
> end result is not ?
> 
> I use a HP laser printer set to maximum toner and HP satin paper. 
> 
> Any hints on why the edges are ragged ?

Heating and pressing causes the tracks to flatten out.