[sane-devel] Epson 640U problem

[steve sheriff]

Hi.

Yes, I know. Take a look at my howto for this scanner. The lists purists hate 
it. It's very crude but it *always* works!

www.arrakis.es/~fsanta/sane

Good luck, Steve.

On Saturday 10 November 2001 03:04, you wrote:
> AUGH!!! I can't take it anymore!
> I just upgrade my system and I can't get my scanner working.  I've exausted
> my knowledge of sane, so if anyone has any idea what I'm doing wrong
> _please_ say so, and if things look like they should be working... well
> that's a bigger problem isn't it.  (oh it was working before the upgrade)
>
> I installed sane-backends-1.0.6, sane-frontends-1.0.6 and xsane-0.80 on RH
> 7.2 here are some partial file dumps...
>
> This is from /var/logs/messages, when I try and use the scanner I get line
> after line of this.  It is the _only_ error message I recieve regarding the
> scanner.
> Nov  9 20:45:36 atredies kernel: scanner.c: open_scanner(5): Unable to
> access minor data
>
> now to the configuration files:
> From /proc/bus/usb/devices:
> ...
> P:  Vendor=04b8 ProdID=010c Rev= 0.01
> S:  Manufacturer=EPSON
> S:  Product=Perfection640
> ...
>
> From /etc/modules.conf:
> ...
> options scanner vendor=0x04b8 product=0x010c
>
> modprobe doesn't report any errors and /var/log/messages has this:
> ...
> Nov  9 20:45:35 atredies kernel: usb.c: registered new driver usbscanner
> Nov  9 20:45:35 atredies kernel: scanner.c: probe_scanner: User specified
> USB scanner -- Vendor:Product - 4b8:10c
> Nov  9 20:45:35 atredies kernel: scanner.c: USB Scanner support registered.
> ...
>
> From /etc/sane.d/epson.conf (the scsi line is commented out)
> ...
> /dev/usb/usbscanner0  (I also tried 'usb /dev/usb/usbscanner0')
>
>
> sane-find-scanner reports this:
>
> sane-find-scanner: found USB scanner (UNKNOWN vendor and product) at device
> /dev/usb/scanner0
>
> # `UNKNOWN vendor and product' means that there seems to be a scanner
> # at this device file but the vendor and product ids couldn't be
> # identified. Currently identification only works with Linux versions
> # >= 2.4.8.
> I'm running kernel 2.4.7-10
>
> xsane report there is no scanning device.
>
> I also tried running 'xscanimage epson:/dev/usb/scanner0'
> but all that happens is the scanner light blinks no file is produced and
> those error messages I mentioned before are written.  Oh yea, the prompt
> doesn't return and I end up having to kill the process.
>
> help please!
>
> 			-fjr
>
>
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