[sane-devel] Canon MX300 error during device I/O

[Nicolas]

For information: this issue was due to a HW defect of a PC USB port.

Nicolas


Le dimanche 18 mai 2008 à 17:52 -0700, Brian May a écrit :

> I thought I had done this but I guess not.  I plugged the scanner into
> the "back" USB ports on the computer and it seems to work fine now.
> It was plugged into one on the front of the computer.  I have been
> using it for 3 days now without any problems.
> 
> Thanks for your help
> Brian
> 
> Nicolas <nicolas.martin at freesurf.fr> wrote:
> 
>         It looks like the error is trigged outside the pixma backend,
>         in the usb
>         low communication level, and maybe in libusb. So could you get
>         an
>         additional log file, with much more info concerning sanei_usb.
>         Run the
>         following commands, and send me back the log file:
>         
>         $ export SANE_DEBUG_SANEI_USB=255
>         $ export SANE_DEBUG=255
>         $ export SANE_DEBUG_PIXMA=20
>         $ scanimage -T 2> /tmp/logfile
>         
>         BTW:
>         did you check other USB communications on your computer ? 
>         tried with MX300 attached to another USB port ? 
>         No prob under Windows ?
>         What kind of computer do you have ?
>         
>         Nicolas
>         
>         Le vendredi 16 mai 2008 à 06:32 -0700, Brian May a écrit :
>         > Just for your info. I started the computer today ran the
>         scanimage -T
>         > test and here are the results. I did some communication
>         before it
>         > errored out. 
>         > 
>         > Nicolas wrote:
>         > Ok, I'm gonna look at this, it looks like it doesn't
>         > communicate at all
>         > on USB (error while writing the first set of data), don't
>         know
>         > yet why,
>         > but will propose you soon a source with more debug traces in
>         > the USB
>         > part.
>         > 
>         > Nicolas
>         > 
>         > Le jeudi 15 mai 2008 à 18:14 -0700, Brian May a écrit :
>         > > Here is the output:
>         > > 
>         > > 
>         > > 1) dpkg -l libusb*
>         > > Desired=Unknown/Install/Remove/Purge/Hold
>         > > |
>         > >
>         >
>         Status=Not/Installed/Config-f/Unpacked/Failed-cfg/Half-inst/t-aWait/T-pend
>         > > |/ Err?=(none)/Hold/Reinst-required/X=both-problems
>         > (Status,Err:
>         > > uppercase=bad)
>         > > ||/ Name Version
>         > > Description
>         > >
>         +++-=============================-=========================
>         > > ii libusb-0.1-4 2:0.1.12-8
>         > > userspace USB programming library
>         > > ii libusb-dev 2:0.1.12-8
>         > > userspace USB programming library development files
>         > > un libusb0 (no
>         > > description available)
>         > > 
>         > > 
>         > > Nicolas wrote:
>         > > Let's get a bit further into debug. Could you do the
>         > > following:
>         > > 
>         > > 1/ post the result of the following command:
>         > > 
>         > > $ dpkg -l libusb*
>         > > 
>         > > 2/ enter the following commands, and post as attachment
>         the
>         > > resulting
>         > > file /tmp/mx300.log
>         > > 
>         > > $ export SANE_DEBUG_PIXMA=20
>         > > $ scanimage -T 2> /tmp/mx300.log
>         > > 
>         > > Nicolas
>         > > 
>         > > Le jeudi 15 mai 2008 à 11:32 -0700, Brian May a écrit :
>         > > > 
>         > > > I am fairly new to sane and am trying to setup a Canon
>         > > MX300. I found
>         > > > a blog that explained how to do it from the latest CSV.
>         > > Everything
>         > > > seemed to work. When I do scanimage -L is lists the
>         > scanner.
>         > > However
>         > > > when I do a scanimage -T, I get the error:
>         > > > scanimage: stepped reading 2 bytes... Fail Error: Error
>         > > during
>         > > > device I/O
>         > > > 
>         > > > I do not know where to proceed from here. (I have ubuntu
>         > > 8.04)
>         > > > 
>         > > > Thanks
>         > > > 
>         > > > 
>         > > > -- 
>         > > > sane-devel mailing list:
>         > sane-devel at lists.alioth.debian.org
>         > > >
>         http://lists.alioth.debian.org/mailman/listinfo/sane-devel
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>         > > your_password"
>         > > > to sane-devel-request at lists.alioth.debian.org
>         > > 
>         > > 
>         > > 
>         > > 
>         > 
>         > 
>         > 
>         > 
>         
> 
> 
> 
> 



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