[XCSSA] LaserJet printer transfers for PCB etching

[X-otic Computer Systems of San Antonio]

On Fri, May 22, 2009 at 11:52 AM, X-otic Computer Systems of San
Antonio <xcssa at xcssa.org> wrote:
> I got to thinking about the laser printer method for transferring
> toner to copper clad for etching.

I have used the toner transfer method quite a bit and it works well
for me, even with 2 sided boards. The key to success is to select a
paper that doesn't absorb any (or very little) toner. Glossy inkjet
photo paper works well for me.


> Assuming single-side PCBs, can you share with me your experiences with doing it?

I solved the two sided registration problem and it works well with
small boards. It should scale up but the margin of error and ability
to do tiny through holes gets harder.

http://www.flickr.com/photos/antonolsen/2654252799/in/photostream/

I carefully fold the paper on the centerline while holding it up to a
light and aligning the edge lines. When I crease the paper on the
center line I look to see that all the toner on the line flaked off,
this ensures I got it dead center.


> What I am thinking is
> about using a fuser cartridge (with small adjustments for the clad)
> from a laser printer that is heated up via the quartz light that runs
> through it and then sending the clad and the paper through it once the
> fuser is hot.

I don't think the fuser will get hot enough or apply enough pressure.
I have read that a laminating machine with rollers works very well if
you want a simple solution. Most of them cost $50 and up though so I
stuck with an old iron I picked up at goodwill.




Anton
-- 
http://antonolsen.com/
http://geekdad.com/