I've got an old citizen color thermal transfer printer that I've been
playing with to do something similar.  I'm able to pass CD's through the
transport but the ribbon breaks when passing over the sudden transitions in
media hights.  I think I can overcome this by building up the surrounding
areas of the cd carrier card to keep everything on the same level.  I've
seen similar carrier cards on ink jet based cd printers as Kat suggested.
Perhaps something similar really could be rigged for small circuit boards.

I originally got this printer with proto circuit board production in mind;
but the printer overlaps the colors with a clear protective layer that makes
etching a bit fuzzy.  Need to figure out how to build a custom print driver
to kill that function off.
-Dal

> > -----Original Message-----
> > From: pic microcontroller discussion list
> > [mailto:PICLIST@MITVMA.MIT.EDU]On Behalf Of Roman Black
> > Ok, will do. The main issue for me is not the ink,
> > I see that as easy, but the feeding of the circuit
> > board. To be really useful for small SMP protoypes
> > it needs to be able to handle 1" x 1" boards, so
> > that points to a flatbed system like moving the
> > printer and the tiny board(s) sit on the flat bed.
> > -Roman
>
>
>
> Roman,
>
> Try an EPSON CD writer, the PCB could fit into the tray with a cardboard
> adaptor (dummy cd)
>
> Regards,
>
> Kat.

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