Homebrew PCBs

--- In Homebrew_PCBs@yahoogroups.com, "Stefan Trethan"
<stefan_trethan@...> wrote:
>
> There used to be some laser printers that used "fuser oil" (silicone
oil) in
> the fuser unit.
> If someone ever tries to use one of those he would probably not get
adhesion
> either.
> 
> Now i'm not saying you have such a printer - just one more option to
check.
> 
> Basically there are just 4 possible reasons:
> 
> Contamination on toner surface.
> Contamination on board surface.
> Not enough heat.
> No contact between toner and board during heating (unlikely).
> 
> 6 minutes is plenty long.
> 
> Even with the wrong paper you should still get the same adhesion to the
> copper, only the paper won't come off.
> 
> ST
> 
> 

Hi Stephan!! I didn't use a laser printer, I've made photocopies with
a recent machine.
I'll review the cleaning staeps in order to discard dirty elements.

Thanks again!!