[Printers] Yellow Dots on HP Color LaserJet 3700

[Benj. Mako Hill]

<quote who="Hatto von Hatzfeld" date="Mon, Feb 18, 2008 at 11:01:26AM +0100">
> Has anyone decoded the yellow dots of HP printers? The dots on the example 
> shown on http://seeingyellow.com/ seem to come from such a printer; at 
> least they are quite similar to the output of my HP 3700.

Yes, the images on seeingyellow.com are from a high-end HP laser
printer.

I don't know of anyone who has decoded them but I get a series of pages
from different HP printers with known serial numbers at known dates and
times if someone wants to try.

> By the way: I made a small gimp script available on 
> http://registry.gimp.org/node/623 which makes the yellow dots a bit more 
> evident than it is done by just taking the blue channel.

Interesting! Thanks.

Later,
Mako

-- 
Benjamin Mako Hill
mako at atdot.cc
http://mako.cc/

Creativity can be a social contribution, but only in so far
as society is free to use the results. --GNU Manifesto
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