Kevin Brosius on Tue, 3 Apr 2001 15:14:23 -0400


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Re: [PLUG] Epson USB scanner trouble


Sandhitsu R Das wrote:
> 
> I have Epson 636u USB - which is supported by the epson-sane backend in
> sane.
> 
> I'm using Linux Mandrake 7.2 stock kernel 2.2.17-21mdk. This includes the
> USB backport. The USB filesystem is mounted, all modules are loaded - but
> the scanner is just not detected.
> 
> # lsmod
> Module                  Size  Used by
> scanner                 4768   0  (unused)
> sg                     15872   0  (autoclean) (unused)
> vmnet                  16160   3
> vmppuser                5520   0  (unused)
> parport_pc              7568   0  [vmppuser]
> <snip>
> keybdev                 1840   0  (unused)
> usbkbd                  2768   0  (unused)
> input                   3072   0  [keybdev usbkbd]
> usb-storage            11568   0  (unused)
> usbcore                43632   1  [scanner usbkbd usb-storage]
> 
> # df
> Filesystem           1k-blocks      Used Available Use% Mounted on
> /dev/hda2               256665    199922     43490  82% /
> <snip>
> /proc/bus/usb           849917    849917         0 100% /proc/bus/usb
> 
> #cat /proc/bus/usb/devices
> #cat /proc/bus/usb/drivers
>  48- 63: usbscanner
>          keyboard
>          usb-storage
>          hub
>          usbdevfs
> 
> Relevant portion of /var/log/messages:
> 
> Apr  3 03:05:15 ribhu kernel: scanner.c: open_scanner(0): Unable to access
> minor data
> 
> If anyone needs more info - I'll be happy to provide them.
> -Sandy
> 

Maybe your device isn't fully supported in the backport?
http://www.linux-usb.org/ has a 'device support' section.  Or
http://www.qbik.ch/usb/devices/ has the working devices list.

The second list doesn't show any working Epson 636u device, although
there are some Epson Perfection 12xx, 1640SU and Perfection 640U
devices.

-- 
Kevin


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