[sane-devel] Canon PIXMA MX350

[Guenther Hutzl]

Yes, I have, if you mean pressing the power button on the printer which
switches is on/off. I should have said that in my previous post. I have
not yet tried to disconnect it from the power and wait a few seconds or
so. I will try that but I doubt it will help.

Thanks for the answer.

On 07/04/2010 06:24 PM, m. allan noah wrote:
> 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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>>     
>
>
>