Homebrew PCBs

--- In Homebrew_PCBs@yahoogroups.com, Robert Hedan <robert.hedan@...>
wrote:
>
> Well, this sucks.
> 
> The cartridges were 'supposed' to be 95% full, apparently not.  The
black is
> totally empty, some blue comes out, and that's about it.  Barely 50%
of the
> characters come out on the test page.

Are you assuming the black is empty because nothing prints black?
Don't assume. More likely clogged.

> I'm thinking that the printer is most likely totally clogged at this
point,
> most likely sitting in a closet.
> 
> Gonna go check out that link from Steve and see what I can do.  I have
> rubbing alcohol, that must be 70% IPA and I have 99% IPA,  I might have
> Windex, but I do know my wife has this 'environmentally friendly' Windex
> substitute, that might be less likely to melt plastics.

No!! If using Windex, it -must- be Windex with Ammonia D. What makes
you think -any- kind of Windex melts plastic?

Ammonia is the key. Ammonia chemically disassembles the dried and/or
thickened ink.

Steve Greenfield