[sane-devel] sane-find-scanner finds it, scanimage does not

[Karl Heinz Kremer]

Your /proc/bus/usb/devices output is incomplete: You've left out
a few lines that show which driver did recognize your scanner. You
need the first "I:" line after the "S:" lines describing your
device. Can you please provide this information.

One thing you definitely have to change is the permissions on 
the device file:

chmod 666 /dev/usb/scanner0

Karl Heinz


On Sun, May 26, 2002 at 09:09:45PM -0500, Joel Uckelman wrote:
> I upgraded to RedHat 7.3 yesterday, which apparently has caused my Epson 
> 610 to stop working. Now, sane-find-scanner detects it:
> 
> sane-find-scanner: found USB scanner (vendor = 0x04b8, product = 0x0103) at 
> device /dev/usb/scanner0
> 
> And it shows up in /proc/bus/usb/devices:
> 
> C:* #Ifs= 1 Cfg#= 1 Atr=40 MxPwr=  0mA
> I:  If#= 0 Alt= 0 #EPs= 1 Cls=09(hub  ) Sub=00 Prot=00 Driver=hub
> E:  Ad=81(I) Atr=03(Int.) MxPS=   8 Ivl=255ms
> T:  Bus=01 Lev=01 Prnt=01 Port=01 Cnt=01 Dev#=  2 Spd=12  MxCh= 0
> D:  Ver= 1.00 Cls=ff(vend.) Sub=00 Prot=ff MxPS= 8 #Cfgs=  1
> P:  Vendor=04b8 ProdID=0103 Rev= 0.01
> S:  Manufacturer=EPSON
> S:  Product=Perfection610  
> 
> Along with the driver in /proc/bus/usb/drivers:
> 
>          usbdevfs
>          hub
>  48- 63: usbscanner
> 
> lsmod shows that I have, among others, the usb-uhci, usbcore, and scanner 
> modules loaded.
> 
> /etc/sane.d/dll.conf has everything but 'epson' commented out, 
> /etc/sane.d/epson.conf has only 'usb /dev/usb/scanner0' in it, and the 
> device has what I think are the proper permissions:
> 
> crw-r--r--    1 root     root     180,  48 Apr 11 09:25 /dev/usb/scanner0
> 
> But when I try 'scanimage -L' it says that 'No scanners were identified.' 
> What's the problem here?
> 
> Thanks!
> 
> -- 
> J.
> 
> 
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-- 
Karl Heinz Kremer                                  khk at khk.net
PGP Key at                 http://www.khk.net/download/khk.asc
EPSON Sane Backend:                         http://www.khk.net
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