Homebrew PCBs

Stefan,

The fuser that you are using, where did you get it from?  Is there 
anything in particular that I should look for in a used laser 
printer that would make for a good salvageable fuser assembly?

CHris




--- In Homebrew_PCBs@yahoogroups.com, "Stefan Trethan" 
<stefan_trethan@g...> wrote:
>
> It should be possible to figure out if the paper is the problem 
by  
> inspecting the results.
> Did the toner stick to the paper? Is it too fibery? Where it 
transferred,  
> are there fibers left or only a white "powder".
> 
> If the paper comes off well in some areas, with the right sort of  
> grey/white residue left and no (0%) toner left on the paper, in 
those  
> areas, i don't really think the paper is the issue.
> With the right pressure and heat you should be able to fuse the 
toner to  
> the board with _any_ paper, the only question beeing if you get 
the paper  
> off without taking the toner with it. But if the toner doesn't 
even stick  
> the problem must be either pressure, temperature, board  
> preparation/surface, or some other contamination, but not the 
paper.
> 
> I dunno, it's sure strange, but when i had the problem that it 
just  
> stopped working reliably (with the same paper and material) i 
decided it  
> is my ironing and got the fuser, and the problems went away. I 
didn't look  
> into it then why it suddenly stopped working.
> 
> Of course, a paper that works better will be slightly more 
tolerant  
> towards the other factors, but it can't solve a major issue.
> 
> ST
>