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Just annotations of little "how to's", so I know I can find how to do something I've already done when I need to do it again, in case I don't remember anymore, which is not unlikely. Hopefully they can be useful to others, but I can't guarantee that it will work, or that it won't even make things worse.
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Canon Canoscan Lide 25 on Arch Linux 2.6.34

Posted 08-13-2010 at 09:25 AM by the dsc

Apparently I got it working. It did do a preview scan, with color, on xsane, as a normal user, so it's almost 100% sure it is OK. The only thing I think I may have had to do different from Debian was to set a udev rule and change user permissions/ownership on /var/lock/sane. Some people said that just udev or permissions alone would do it, but I had the impression I needed both, but that's possibly wrong. I don't see anything wrong in having both, so I'll just leave it as it is, as it is working.


It didn't work so readily as I expected it would, though. For some reason sometimes it fails to be detected by the scanner program (running either as a normal user or root), even though it's listed by lsusb and even (I guess) sane-find-scanner.

First it seemed to be working, but the lights lighted up, but just stood there. I tried to unplug and plug the USB cable again (probably there is something smarter and more correct than that to do, like restarting udev, I don't know). Then it wasn't detected anymore, even plugging on different slots (if that makes any difference... from past experiences I had the impression it does).

I don't know what caused it. I booted on debian and it was working. Then I rebooted on arch, and it was working as well.
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