Could you try using hp-scan? I tested 600 dpi scanning with it extensively,
and it seemed to work fine. The command would be:
hp-scan -n -r600 -mlineart -xraw -otest.png
(use hp-scan --help for a full list of options. The above cmd will save the
output as a PNG file, you can also save in JPG format. Sorry, PNM format is
not available.)
-Don
On 7/6/07, Thomas Enderle <[EMAIL PROTECTED]> wrote:
Hello,
I want to scan hi-resolution b/w pages. So I entered:
scanimage -d hpaio:/net/HP_LaserJet_3055?ip=192.168.22.100 --resolution
600 --mode lineart --compression None > test.pnm
The resulting file test.pnm has nominally 600 dpi, but every 2x2 pixel
have
the same color, so the image has actually only 300 dpi. The same with
Xsane.
What should I do? I'm already using hplip version 2.7.6.
Regards
Thomas Enderle
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