[sane-devel] Unsupported device: Canon MF4018

[m. allan noah]

2009/2/26 Steve Hardy <steve at appliedrealtime.co.uk>:
> Ok, thanks for the clarification, I discovered that there was a duplicate
> /etc/sane.d directory in /usr/etc.  I ran the sane "make install" to
> overwrite my installed sane library, which probably explains it - I have now
> removed the original sane package completely, then reinstalled from CVS and
> my scanner still hangs up.
>
> The steps I see are :
>
> 1 - Start scanimage -T
> 2 - Scan head moves to the "start scan" position
> 3 - Scan head cycles through colours (light on/off)
> 4 - Scan head starts scan pass, but then stops about 1/3 of the way accoss
> the page.
> 5 - Scan head returns to "start scan" position
> 6 - Scanner is unresponsive (returns -ETIMEDOUT to everything) until USB
> cable is removed and replaced or scanner is power cycled.
>
> I have taken usb sniffs from windows and I can't spot any significant
> differences, but comparing the usbsniff format with the usbmon capture is
> pretty difficult.
>
> When I have more time I plan to hack the usbsniff code so it will output in
> a format that's diffable with usbmon, and put some more debug into scanimage
> to try and spot where the problem occurs.

you might find spike4.pl in the sane experimental cvs tree helpful
there. please also be aware that the pixma backend author is on
holiday, but you will certainly hear from him when he returns.

allan

>
>
>
>
> 2009/2/25 Gleb Baryshev <gleb.baryshev at gmail.com>
>>
>> Steve Hardy wrote:
>> > I have similar problems to this with the pixma backend and a Canon
>> > MF4660 - only my MFP *always* returns the -ETIMEOUT response after
>> > moving the scan head to the end of the panel in preparation for the
>> > scan.
>>
>> I can't yet define exactly what actions hang up my scanner. At least,
>> when I scan continuously, using the same program, all work well.
>> By the way, successful scanning adds three lines like this to the kernel
>> ring buffer:
>> usb 1-1: usbfs: interface 1 claimed by usblp while 'xsane' sets config #1
>> (or 'scanimage' instead of 'xsane')
>>
>> Dennis Lou wrote:
>> > If you keep reading, Gleb solved his problem by manually removing his
>> > old version of sane prior to re-installing a fresh CVS version (apparently
>> > automated package removal wasn't doing a complete job).   Perhaps that will
>> > also solve your problem being that you two are experiencing similar things?
>>
>> Actually, removing of old files was aimed to solve a problem when
>> scanimage and xsane could only be run from /usr/local/etc/sane.d (i.e.
>> scanimage couldn't find the scanner, but after 'cd
>> /usr/local/etc/sane.d' it could). At first it helped, but after reboot
>> only xsane could run from anywhere. This isn't a big problem, but the
>> fact remains.
>>
>> Gleb
>>
>> --
>> 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
>
>
>
> --
> Steve Hardy
>
> Applied Realtime Systems Limited
> www.appliedrealtime.co.uk
> Tel  : 0845 8678251
> Fax : 0845 8678241
>
> --
> 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
>



-- 
"The truth is an offense, but not a sin"