Hi there,

on your list of supported devices there is the Canon PIXMA MG3600 Series. Does that mean the Pixma MG3650 should be supported as well? Because it is not. The Pixma MG3650 is a 2in1 device (printer and scanner).

Last year there was a scangear driver by Canon exactly for the PIXMA MG3650. It seems they removed it from there website. But you still find a driver for MG3670 that works well with the MG3650. It is possible to download its source code (I can't attach it here).

I have attached the ouput of sane-find-scanner which has found the Scanner. But scanimage -L tells me that no device was found. I can't show the ouput of /cat /proc/bus/usb/devices/ because /proc/bus/usb does not exist.

Is there any more information or test I should provide? I am willing to adapt or write a driver for the MG3650 if possible (I know a little bit of C).

Thanks and regards,
jonius
This is sane-find-scanner from sane-backends 1.0.25git

  # 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 kernel 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=0x178a [MG3600 series]) at libusb:001:005
  # 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.
done


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