[sane-devel] Canon PIXMA MX350

[m. allan noah]

Have you tried power cycling the scanner?

allan

On Sun, Jul 4, 2010 at 11:30 AM, Guenther Hutzl
<guenther.hutzl at googlemail.com> wrote:
> Hello!
>
> I have some good and some bad news! The scanner of my MX350 was once
> working perfectly with the patch you provided. Thanks for all the great
> work you are doing here! I really appreciate it. But now I cannot get it
> to work any more and I don't know why.
>
> Here is what I have done:
>
> 1. I have tested several different resolutions from 75dpi to 1200dpi and
> it worked perfectly. Also the color/grayscale switch works as expected.
> I used gimp together with the xsane dialog.
> 2. Then I tested the adf (automatic document feeder) to scan several
> pages. I used skanlite for that. This also worked once.
> 3. After that I tried it again and I got the message:
>
> Failed to open device 'pixma:MX350_192.167.1.88': Invalid argument.
>
> I tried this with gimp and skanlite. When I start gimp via the
> commandline I see this additional message after selecting my scanner in
> the xsane device dialog and pressing OK:
>
> [pixma] bjnp_open_tcp: Can not connect to scanner: Connection refused
>
> I even rebooted my whole PC to rule out a hanging process that blocks
> the scanner.
>
> So how can that happen? I guess it is probably some config file that has
> problems. I checked the scanner with a mac book and it works still fine,
> so the scanner itself is not the problem. Just something with my linux
> setup. I am using gentoo linux. I have hacked together a custom ebuild
> of sane-backends that includes the mx350 patch. I have attached the two
> files if anyone is interested. What can I do to analyze and rule oout
> this problem? Is there some debug option somewhere? I did not see
> anything in my system logs. I also tried scanimage from the commandline
> and get the same error:
>
>> scanimage  -d pixma:MX350_192.168.1.88 --format=pnm
> [pixma] bjnp_open_tcp: Can not connect to scanner: Connection
> refused
>
> scanimage: open of device pixma:MX350_192.168.1.88 failed: Invalid
> argument
>
>
> Please help me, I think we are so close to having another supported
> scanner in sane.
>
> Günther.
>
> On 07/03/2010 04:42 PM, Nicolas Martin wrote:
>> Could you try to recompile Sane with the attached file.
>>
>> Place it in sane-backends/backend to replace current git one, and
>> recompile/reinstall Sane.
>>
>> Nicolas
>>
>> Le samedi 03 juillet 2010 à 15:33 +0200, Guenther Hutzl a écrit :
>>
>>>> If you can provide the USB pid for this model, we could try a quick
>>>> test, as there's some chance that this model behaves like a MX340 or
>>>> MX330, which are already supported. To get this, simply issue a lsusb ,
>>>> the usb pid should be in the list shown.
>>>>
>>>>
>>>>
>>>>
>>> This is the output of lsusb for the MX350:
>>>
>>> Bus 001 Device 002: ID 04a9:1742 Canon, Inc.
>>>
>>> Is this enough for a first try of do you need lsusb -v output?
>>>
>>> I will use your instructions how to use snoopypro when I have the
>>> windows PC available.
>>>
>>> Thanks,
>>>
>>> Guenther.
>>>
>>>
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>>
>
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