Hi,
> I've got sane-1.0.3 and linux-2.4.0-test9-pre6. I've tried hand
> crafting the USB patches to work with sane-1.0.3, but it fails to
> recognise my scanner's existence even after I got the patches to
> apply. (The same thing happens under kernel 2.2.15 with USB backport)
With sane-1.0.3 it should be quite simple. You get the USB files (from
http://www.ginko.de/user/oschwartz/snapscan/snapscan-usb.tgz), remove the
comments for USB includes from snapscan.c and snapscan.h and recompile.
> I've followed all the documentation I could find on the 1212U, it
> seems to be the older one that doesn't use firmware upload. How do I
> debug the problem? I've tried 'export SANE_DEBUG_SNAPSCAN=255', but
> all it tells me is
> [snapscan] add_device: error opening device /dev/usb/scanner0:
> Invalid argument
That looks like an easy one... Does the device (/dev/usb/scanner0) exist? At
least on my machine (2.2.16 with USB backport) the correct device is
/dev/usbscanner. You have to supply the devicename in snapscan.conf, e.g.
scsi AGFA
scsi COLOR
scsi Color
/dev/usbscanner
Good luck,
Oliver
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