On Sat, 17 Jul 2010 19:51:43 -0700 (PDT), "hr(bob) "
wrote:

I have a lot of extra yellow, cyan, and magenta ink left over from
refilling inkjet cartridges. Any idea of the proportions of each I
should mix to get brown/black ink?

There a better ng for this I think.

alt.comp.periphs.printers is either dead or it's not on eternal
september.

But comp.periphs.printers is still pretty busy.