[sane-devel] Scanner not detected - Canon i-Sensys MF249dw

Alex ARNAUD alexarnaud at hypra.fr
Thu Feb 8 12:27:31 UTC 2018

Hello vfast9,

The reason is that your version of Sane doesn't come with the support 
for your device.

The man page for Xenial is here : 

The man page for Artful is here : 

I see i-SENSYS MF240 in Artful and not in Xenial.

Best regards.
Visual-Impairment Project Manager
Hypra - "Humanizing technology"

Le 30/01/2018 à 09:50, vfast9 a écrit :
> Hello,
> I am a new to this forum and don't know if I am at the right group or 
> category. I found your email on the sane-project website.
> Forgive me if some received this email in error.
> I just installed a *Canon i-Sensys MF249dw* multifunctional laster 
> printer and scanner because according to the manufacturer's technical 
> information, both printing and scanning should be supported under Linux.
> For your info I am running an UBUNTU machine with 16.04 LTS.
> Although I could get the printer part working rather easily, after 
> installing the Canon Linux driver, the scanner is not detected at all by 
> Linux. Canon doesn't provide any Linux driver for the scanner, but 
> indicated that it is "supported" by Linux?
> After one day of working on it and testing different configurations, the 
> sane-find-scanner gives the following message:
>   # 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 kernel SCSI driver for your SCSI adapter.
> *found USB scanner (vendor=0x04a9 [Language Error], product=0x27d2 
> [Language Error]) at libusb:001:002*
>    # Your USB scanner was (probably) detected. It may or may not be 
> supported by
>    # SANE. Try scanimage -L and read the backend's manpage.
> The scanner just won't work and doesn't get detected properly.
> If I run the Linux scanner programmers like "simple scan" or "Xsane" 
> they report that there are "*no scanners found*".
> This is very frustrating because when I connect my old canon printers 
> like the Pixma MG4250 or even the Canoscan Lide 50, the scanners work 
> out of the box and are automatically detected by Linux.
> So now I have this giant paperweight MF249dw sitting on my desk and 
> cannot get the scanner working.
> Does anyone of you have experience getting this scanner to work under Linux?
> All help and suggestions are welcome.
> kind regards,
> George

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