[sane-devel] help with Canon 650U

Wed Mar 1 07:48:11 UTC 2006

Hi,

from what I see from the logs everything looks fine! The scanner is detected
but the backend refuses to open the device node.
Did you start scanimage -L as user or root?

Gerhard

On Tuesday 28 February 2006 17:56, void at chatcircuit.com wrote:
> Hi,
> 
> Well, I bought myself a Thumbdrive so I can actually get the data you need to
> help me out. I'm still having problems getting this scanner to work in my
> native linux box. I'm starting to think it is a udev problem. Included is is
> the outputs of files and commands that I think are perhaps relevent.
> 
> here is what happens when I do scanimage -L
> 
> [sanei_debug] Setting debug level of plustek to 255.
> [plustek] Plustek backend V0.48-10, part of sane-backends 1.0.15
> [plustek] ># Plustek-SANE Backend configuration file<
> [plustek] ># For use with LM9831/2/3 based USB scanners<
> [plustek] >#<
> [plustek] ><
> [plustek] ># each device needs at least two lines:<
> [plustek] ># - [usb] vendor-ID and product-ID<
> [plustek] ># - device devicename<
> [plustek] ># i.e. for Plustek (0x07B3) UT12/16/24 (0x0017)<
> [plustek] ># [usb] 0x07B3 0x0017<
> [plustek] ># device /dev/usbscanner<
> [plustek] ># or<
> [plustek] ># device libusb:bbb:ddd<
> [plustek] ># where bbb is the busnumber and ddd the device number<
> [plustek] ># make sure that your user has access to /proc/bus/usb/bbb/ddd<
> [plustek] >#<
> [plustek] ># additionally you can specify some options<
> [plustek] ># warmup, lOffOnEnd, lampOff<
> [plustek] >#<
> [plustek] ># For autodetection use<
> [plustek] ># [usb]<
> [plustek] ># device /dev/usbscanner<
[SNIPSNAP]
> [plustek] ---------------------
> [plustek] usbDev_open(libusb:004:002,0x04A9-0x2206)
> [plustek] open failed: -1
> [plustek] sane_get_devices (0xbf991e64, 0)
> [plustek] sane_exit
> device `v4l:/dev/video0' is a Noname BT878 video (ATI TV-Wonder VE) virtual
> device
> 
> Here is the output of sane-find-scanner
> 
> cat sane-find-scanner
> 
>   # sane-find-scanner will now attempt to detect your scanner. If the
>   # result is different from what you expected, first make sure your
>   # scanner is powered up and properly connected to your computer.
> 
>   # No SCSI scanners found. If you expected something different, make sure that
>   # you have loaded a SCSI driver for your SCSI adapter.
> 
> found USB scanner (vendor=0x04a9 [Canon], product=0x2206 [CanoScan],
> chip=LM9832/3) at libusb:004:002
>   # Your USB scanner was (probably) detected. It may or may not be supported by
>   # SANE. Try scanimage -L and read the backend's manpage.
> 
>   # Not checking for parallel port scanners.
> 
>   # Most Scanners connected to the parallel port or other proprietary ports
>   # can't be detected by this program.
> This is sane-find-scanner from sane-backends 1.0.15
> 
>   # sane-find-scanner will now attempt to detect your scanner. If the
>   # result is different from what you expected, first make sure your
>   # scanner is powered up and properly connected to your computer.
> 
> searching for SCSI scanners:
> checking /dev/scanner... failed to open (Invalid argument)
> checking /dev/sg0... failed to open (Invalid argument)
> checking /dev/sg1... failed to open (Invalid argument)
> checking /dev/sg2... failed to open (Invalid argument)
> checking /dev/sg3... failed to open (Invalid argument)
> checking /dev/sg4... failed to open (Invalid argument)
> checking /dev/sg5... failed to open (Invalid argument)
> checking /dev/sg6... failed to open (Invalid argument)
> checking /dev/sg7... failed to open (Invalid argument)
> checking /dev/sg8... failed to open (Invalid argument)
> checking /dev/sg9... failed to open (Invalid argument)
> checking /dev/sga... failed to open (Invalid argument)
> checking /dev/sgb... failed to open (Invalid argument)
> checking /dev/sgc... failed to open (Invalid argument)
> checking /dev/sgd... failed to open (Invalid argument)
> checking /dev/sge... failed to open (Invalid argument)
> checking /dev/sgf... failed to open (Invalid argument)
> checking /dev/sgg... failed to open (Invalid argument)
> checking /dev/sgh... failed to open (Invalid argument)
> checking /dev/sgi... failed to open (Invalid argument)
> checking /dev/sgj... failed to open (Invalid argument)
> checking /dev/sgk... failed to open (Invalid argument)
> checking /dev/sgl... failed to open (Invalid argument)
> checking /dev/sgm... failed to open (Invalid argument)
> checking /dev/sgn... failed to open (Invalid argument)
> checking /dev/sgo... failed to open (Invalid argument)
> checking /dev/sgp... failed to open (Invalid argument)
> checking /dev/sgq... failed to open (Invalid argument)
> checking /dev/sgr... failed to open (Invalid argument)
> checking /dev/sgs... failed to open (Invalid argument)
> checking /dev/sgt... failed to open (Invalid argument)
> checking /dev/sgu... failed to open (Invalid argument)
> checking /dev/sgv... failed to open (Invalid argument)
> checking /dev/sgw... failed to open (Invalid argument)
> checking /dev/sgx... failed to open (Invalid argument)
> checking /dev/sgy... failed to open (Invalid argument)
> checking /dev/sgz... failed to open (Invalid argument)
>   # No SCSI scanners found. If you expected something different, make sure that
>   # you have loaded a SCSI driver for your SCSI adapter.
> 
> searching for USB scanners:
> checking /dev/usb/scanner... failed to open (Invalid argument)
> checking /dev/usb/scanner0... failed to open (Invalid argument)
> checking /dev/usb/scanner1... failed to open (Invalid argument)
> checking /dev/usb/scanner2... failed to open (Invalid argument)
> checking /dev/usb/scanner3... failed to open (Invalid argument)
> checking /dev/usb/scanner4... failed to open (Invalid argument)
> checking /dev/usb/scanner5... failed to open (Invalid argument)
> checking /dev/usb/scanner5... failed to open (Invalid argument)
> checking /dev/usb/scanner7... failed to open (Invalid argument)
> checking /dev/usb/scanner8... failed to open (Invalid argument)
> checking /dev/usb/scanner9... failed to open (Invalid argument)
> checking /dev/usb/scanner10... failed to open (Invalid argument)
> checking /dev/usb/scanner11... failed to open (Invalid argument)
> checking /dev/usb/scanner12... failed to open (Invalid argument)
> checking /dev/usb/scanner13... failed to open (Invalid argument)
> checking /dev/usb/scanner14... failed to open (Invalid argument)
> checking /dev/usb/scanner15... failed to open (Invalid argument)
> checking /dev/usbscanner... failed to open (Invalid argument)
> checking /dev/usbscanner0... failed to open (Invalid argument)
> checking /dev/usbscanner1... failed to open (Invalid argument)
> checking /dev/usbscanner2... failed to open (Invalid argument)
> checking /dev/usbscanner3... failed to open (Invalid argument)
> checking /dev/usbscanner4... failed to open (Invalid argument)
> checking /dev/usbscanner5... failed to open (Invalid argument)
> checking /dev/usbscanner6... failed to open (Invalid argument)
> checking /dev/usbscanner7... failed to open (Invalid argument)
> checking /dev/usbscanner8... failed to open (Invalid argument)
> checking /dev/usbscanner9... failed to open (Invalid argument)
> checking /dev/usbscanner10... failed to open (Invalid argument)
> checking /dev/usbscanner11... failed to open (Invalid argument)
> checking /dev/usbscanner12... failed to open (Invalid argument)
> checking /dev/usbscanner13... failed to open (Invalid argument)
> checking /dev/usbscanner14... failed to open (Invalid argument)
> checking /dev/usbscanner15... failed to open (Invalid argument)
> found USB scanner (vendor=0x04a9 [Canon], product=0x2206 [CanoScan],
> chip=LM9832/3) at libusb:004:002
>   # Your USB scanner was (probably) detected. It may or may not be supported by
>   # SANE. Try scanimage -L and read the backend's manpage.
[SNIPSNAP]> 