[Printers] Druckerchannel

Seth David Schoen schoen at eff.org
Fri Sep 2 18:55:22 PDT 2005


An anonymous party suggested that we look at

http://www.druckerchannel.de/

The name means "printer channel", and this is a printer review site
based in Germany.  One thing they like to do is note the presence of
yellow tracking dots in printers they review, and even provide pictures
of the dot arrangements (although the pictures seem to be cropped too
small to be very useful for decoding purposes).  Here is a translation
of text from a Druckerchannel review of an Epson AcuLaser:

   In the pictures "Standard Print" and "Highest Quality" there are
   recognizable small yellow dots in the printout.  You find these these
   dots on every page where color elements are present.  These points can
   hardly be recognized with the naked eye.  The serial number of the
   machines can be traced in the arrangement of the points.  In the
   picture to the right, Druckerchannel has made the arrangement of the
   dots visible with an optical trick.

http://www.druckerchannel.de/artikel.php?ID=943&seite=7

Here is a sample image of the dots (although the filename suggests that
the dots were taken from a Konica/Minolta Magicolor instead of from the
Epson AcuLaser).

http://www.druckerchannel.de/cache_bilder/std/minolta_qms_magicolor_3100_gelbe_punkte_LOC8bf5ff486fe6dc4d205402dad2a9aa54.jpg

Could someone who knows more German figure out if there's a systematic
way to view all the printer reviews on the site, to see which printers
they report as having or lacking tracking dots?  I can read them one
at a time, but it takes me at least five times as long to read a page
in German as in English, and I can't skim it or have useful parts jump
out at me.

-- 
Seth Schoen
Staff Technologist                                schoen at eff.org
Electronic Frontier Foundation                    http://www.eff.org/
454 Shotwell Street, San Francisco, CA  94110     1 415 436 9333 x107


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