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I have never seen something like this before. It really seems that your scanner has a serious problem. I checked the log, and it looks OK.=20 What you have in the 150dpi image is not a misregistration of the color channels: You are getting the green data twice. The copy=20 is sent in place of real image data that is lost: When you look at the first line, the letters "HAT" only show the bottom portion, the top is missing. Karl Heinz On Sat, Jul 27, 2002 at 07:16:04PM -0400, Roy Murphy wrote: > I wrote some time ago with problems with scans at high resolutions. > Over time, the problem exhibits itself at lower resolutions. I'm > now thinking that I got a piece of garbage scanner. >=20 > The symptoms are at high enough resolutions, there is poor > registration between color layers. Stripes in the scan appear=20 > with the image in ne color only offset from their proper location. > scanimage --test passes all tests. >=20 > These scans illustrate the problem. > http://www.panix.com/~murphy/50dpi.pnm is fine. > http://www.panix.com/~murphy/150dpi.pnm has stripes. >=20 > The output from setting SANE_DEBUG_EPSON to 128 can be found in > http://www.panix.com/~murphy/epsontest.txt.gz >=20 > I would appreciate it if someone would take a look. >=20 > --=20 > Roy Murphy \ CSpice -- A mailing list for Clergy Spouses > mur...@panix.com \ http://www.panix.com/~murphy/CSpice.html > _______________________________________________ > Sane-devel mailing list > sane-de...@www.mostang.com > http://www.mostang.com/mailman/listinfo/sane-devel --=20 Karl Heinz Kremer k...@khk.net PGP Key at http://www.khk.net/download/khk.asc EPSON Sane Backend: http://www.khk.net --jI8keyz6grp/JLjh Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.0.6 (GNU/Linux) Comment: For info see http://www.gnupg.org iD8DBQE9QzXIxejv3RfKrhsRArEPAKC92lEl7Kc9p1optD+iNh9Tpm62QACffgBi JOElhEnpBc/LiWYCTBqMxzc= =tsuE -----END PGP SIGNATURE----- --jI8keyz6grp/JLjh--
