[sane-devel] PIXMA TS8300 Series not working

[Thierry HUCHARD]

Le 2020-10-05 20:30, Yoann Le Montagner a écrit :
> Hi,
> 
> I've uninstalled ippusbxd, then reboot... and as a result the scanner
> is not detected anymore!
> 
> 'scanimage -L' returns "No scanners were identified."
can you give me the log of :
SANE_DEBUG_DLL=255 scanimage -L

your scanner is found :
found USB scanner (vendor=0x04a9 [Canon], product=0x1890 [TS8300 
series]) at libusb:003:009

> 
> 'sane-find-scanner' still lists the scanner among the USB devices
> (output of 'sudo sane-find-scanner -v -v' is attached).
> 
> I don't understand you point regarding the scanner being plugged in
> USB. Do you mean it would better to have it connected through Wifi ?
> 
> Regards,
> 
> Yoann
> 
> 
> Le 05/10/2020 à 20:10, Thierry HUCHARD a écrit :
>> Le 2020-10-05 19:22, Yoann Le Montagner a écrit :
>>> Hi,
>>> 
>>> Thanks for the answer. Indeed, things are better with libsane 1.0.31.
>>> 
>>> However, I still encounter some random errors when trying to use the
>>> scanner. For instance, using 'scanimage', I get:
>>> 
>>>> yoann at yoann-desktop:~$ scanimage -d escl:http://127.0.0.1:60000 >
>>>> outfile.pnm
>>>> Output format is not set, using pnm as a default.
>>>> Erreur de segmentation (core dumped)
>>>> yoann at yoann-desktop:~$ scanimage -d escl:http://127.0.0.1:60000 >
>>>> outfile.pnm
>>>> Output format is not set, using pnm as a default.
>>>> scanimage: rounded value of br-x from 215.9 to 215.9
>>>> scanimage: rounded value of br-y from 297.011 to 297.011
>>>> scanimage: sane_start: Device busy
>>>> yoann at yoann-desktop:~$ scanimage -d escl:http://127.0.0.1:60000 >
>>>> outfile.pnm
>>>> Output format is not set, using pnm as a default.
>>>> Erreur de segmentation (core dumped)
>>>> yoann at yoann-desktop:~$ scanimage -d escl:http://127.0.0.1:60000 >
>>>> outfile.pnm
>>>> Output format is not set, using pnm as a default.
>>>> scanimage: rounded value of br-x from 215.9 to 215.9
>>>> scanimage: rounded value of br-y from 297.011 to 297.011
>>> 
>>> ... the first 3 attempts failed, the fourth one succeed. The number 
>>> of
>>> attempts may change from one trial to another. And the scanner is
>>> almost unusable from a graphical frontend such as XSane (probably
>>> because of these errors I guess).
>>> 
>> You are plugged in USB!
>> Why use the network driver?
>> ippusbxd doesn't work very well, I advise you to uninstall it.
>> # sudo apt purge ippusbxd
>> The PIXMA driver should then detect your scanner and everything should 
>> work.
>> You can also use it in networks!
>> 
>> Thierry
>> 
>>> If there is any manipulation that I should try to provide more
>>> information, please let me know.
>>> 
>>> Regards,
>>> 
>>> Yoann
>>> 
>>> Le 04/10/2020 à 23:51, Thierry HUCHARD a écrit :
>>> 
>>>> Le 2020-10-04 18:31, Yoann Le Montagner a écrit :
>>>> 
>>>>> Hi,
>>>>> 
>>>>> I've a brand new PIxma TS8350 scanner, that is -- unfortunately --
>>>>> not
>>>>> recognized by SANE. I've seen on the device list page that testers
>>>>> are
>>>>> needed for this device, so I would be happy to test what need to
>>>>> be
>>>>> tested in order to have this thing work properly.
>>>>> 
>>>>> Please find attached the output of command 'sudo sane-find-scanner
>>>>> -v -v'.
>>>> The usb support has been added, for your template in version 1.0.30
>>>> of sane-backends.
>>>> Full wifi support in version 1.0.31 of sane-backends.
>>>> If your OS is ubuntu I invite you to update as follows:
>>>> sudo add-apt-repository ppa:sane-project/sane-git
>>>> sudo apt update
>>>> sudo apt install libsane libsane-common sane-utils
>>>> 
>>>>> Regards,
>>>>> 
>>>>> Y.