Nicolas Martin | 3 Sep 22:25 2009
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Re: Canon mf3110 and CanoScan 4400f

Good, we have now the appropriate protocol for mf3110.

Now, the point is image encoding. 

I've just committed a change for trying to solve this or help
investigate, could you get the latest git update, rebuild Sane, and give
another try.

Nicolas

Le jeudi 03 septembre 2009 à 13:55 +0300, Aleksandr Charkov a écrit :
> Hi,
> it's now scanning and creating files. But colors are not nice, maybe 
> because i didn't made
> properly configuration. I send you log and scanned book cover.
> 
> 
> Nicolas Martin wrote:
> > Not sure you are running the git version for now. 
> >
> > You probably ended with 2 versions of Sane on your system, the git one
> > being in /usr/local may not be active, if you have another one in /usr
> > coming from your distribution.
> >
> > You probably need to recompile Sane using the 
> > --prefix=/usr --sysconfdir=/etc in the ./configure statement. 
> > Check instructions on how to compile Sane on this blog: 
> > http://mp610.blogspot.com/2008/04/give-your-scanner-new-freshly-sane.html
> >
> > Also, could you get the log trace as before, using the 2 statements I
> > gave you hereunder, it will be easy to check whether it uses the
> > expected protocol now:
> >
> > $ export SANE_DEBUG_PIXMA=11
> > $ scanimage -T   2> someLogfile 
> >
> > Nicolas
> >
> > Le lundi 31 août 2009 à 18:13 +0300, Aleksandr Charkov a écrit :
> >   
> >> I don't know how exactly sane works, so I did this:
> >>
> >> downloaded git sane-backends, compiled it, installed with 'make install'
> >> and ran it '/usr/local/bin/scanimage -T   2> mf3110.log'
> >> Am I did right?
> >>
> >> Also, between this two messages: 'reading one scanline, 1920 bytes...' 
> >> and 'Error during device I/O';
> >> scanner end to scan and waiting about 2 minutes.
> >>
> >> Nicolas Martin wrote:
> >>     
> >>> Thanks for this snoop.
> >>> So first thing to do is to move mf3110 from imageclass to mp730 part of
> >>> the pixma backend, and see how it goes from there.
> >>>
> >>> I've just committed this first change, could you update your git reposit
> >>> and give another try, then send me back the log trace as you did
> >>> previously
> >>>
> >>> Nicolas
> >>>
> >>> Le samedi 29 août 2009 à 14:56 +0300, Aleksandr Charkov a écrit :
> >>>   
> >>>       
> >>>> Hello,
> >>>> here it is
> >>>>
> >>>> Nicolas Martin wrote:
> >>>>     
> >>>>         
> >>>>> So it turns out that MF3110 does not use exactly the same Pixma protocol
> >>>>> as other ImageClass devices.
> >>>>>
> >>>>> In order to go further into analysis, could you get a USB Snoop trace
> >>>>> using SnoopyPro on Windows: You can record a log trace using
> >>>>> SnoopyPro.exe, that you can download from sourceforge.net:
> >>>>>
> >>>>> http://sourceforge.net/projects/usbsnoop/
> >>>>>
> >>>>> Read instructions on SnoopyPro.exe, then try to record a scan session.
> >>>>>
> >>>>> => Select the device corresponding to the scanner, using its USB address
> >>>>> 04a9:0x2660
> >>>>>
> >>>>> There will be ~4 devices holding this address.
> >>>>> The scanner should be the one indicated by: "MF3110 ser"
> >>>>>
> >>>>> You can recognize that it's the correct one, if you look at the frame
> >>>>> counter in SnoopyPro, it should increment only when MF3110 is scanning. 
> >>>>> This is important ... in order to avoid having huge log files filled up
> >>>>> with useless data!
> >>>>>
> >>>>> Also, choose a **small** area to scan, otherwise, there will be huge
> >>>>> amount of data.
> >>>>>
> >>>>> Then, Save As ... the file (in menu), zip the log and send it back to
> >>>>> me.
> >>>>>
> >>>>> Nicolas
> >>>>>
> >>>>> Le jeudi 27 août 2009 à 19:46 +0300, Aleksandr Charkov a écrit :
> >>>>>   
> >>>>>       
> >>>>>           
> >>>>>> Hello,
> >>>>>> here is zipped log file.
> >>>>>>
> >>>>>> Nicolas Martin wrote:
> >>>>>>     
> >>>>>>         
> >>>>>>             
> >>>>>>> mf3110 is declared in the pixma backend, as an ImageClass device, so
> >>>>>>> running this protocol. But it has never been tested yet. 
> >>>>>>>
> >>>>>>> In order to see if this is the adequate pixma protocol to use for this
> >>>>>>> device, could you first send a log trace using the following commands:
> >>>>>>>
> >>>>>>> $ export SANE_DEBUG_PIXMA=11
> >>>>>>> $ scanimage -T   2> someLogfile
> >>>>>>>
> >>>>>>> Zip and send back the someLogfile you'll get.
> >>>>>>>
> >>>>>>> Nicolas
> >>>>>>>
> >>>>>>> Le mardi 25 août 2009 à 16:00 +0300, Aleksandr Charkov a écrit :
> >>>>>>>   
> >>>>>>>       
> >>>>>>>           
> >>>>>>>               
> >>>>>>>> Hi all,
> >>>>>>>> I have two scanners, mf3110 and 4400f and computer with Debian. So I 
> >>>>>>>> know that 4400f unsupported and i tested it, it's true.
> >>>>>>>> I tested mf3110 scanner quickly and it's scanning, but it didn't 
> >>>>>>>> transfer scanned data to hard disk (it showing something about i/o error).
> >>>>>>>> So I want  to  collaborate with sane developers to improve this two 
> >>>>>>>> scanners, if you of course give me useful information.
> >>>>>>>> Thank you!
> >>>>>>>>
> >>>>>>>> --
> >>>>>>>> sane-devel mailing list: sane-devel <at> lists.alioth.debian.org
> >>>>>>>> http://lists.alioth.debian.org/mailman/listinfo/sane-devel
> >>>>>>>> Unsubscribe: Send mail with subject "unsubscribe your_password"
> >>>>>>>>              to sane-devel-request <at> lists.alioth.debian.org
> >>>>>>>>     
> >>>>>>>>         
> >>>>>>>>             
> >>>>>>>>                 
> >>>>>>>   
> >>>>>>>       
> >>>>>>>           
> >>>>>>>               
> >>>>>   
> >>>>>       
> >>>>>           
> >>>   
> >>>       
> >
> >
> >   
> 

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