Homebrew PCBs

> > I'm not sure it is forming a droplet. It is possible to push or pull
> > ink through the nozzles without relying on the formation of droplets.
> 
> I know. But the force needs to exceed the surface tension before you'll
> get any kind of flow out of the nozzle.

However it works, it is doing something.

> > In any case, putting cleaning fluid in the park pad and letting it sit
> > for hours or a day seems to be a much more efficient way to unclog
> > badly clogged nozzles. 
> 
> When i tried Nifti as a refill, i set it for 20 cleanout cycles. When i
> came back, it was working, so it could have been unblocked in much fewer
> cycles. A drop of the ink in some Nifti shows it's an excellent solvent
> for it (epson black ink).

Water will pass that test. Let some ink dry for a week, then try it.
20 cleaning cycles might have worked with just a regular OEM Epson
cartridge.

Steve Greenfield