Homebrew PCBs

On Tuesday 18 April 2006 10:02, Stefan Trethan wrote:
> On Tue, 18 Apr 2006 15:41:19 +0200, derekhawkins <eldata@...> wrote:
> > Well, TANSTAAFL! But seriously, if off-the-shelf inks won't work then
> >
> > dabble a bit in some homebrew ink chemistry. The "no sponge" type empty
> >
> > ink cartridges would be ideal for ink experiments. You can wash them
> >
> > out and start again.
>
> If only it was that easy!
>
> The cartridge may be easy to wash out, but once you got something "bad"
> into the printhead you can toss the printer.
>
> ST
>

Not a big deal if you are trying printers with the printhead integrated in the 
cartridge (HP, Lexmark...)