[sane-devel] Canon MX430 / MX510 / MX925 - does not recover when ADF out of paper

[Rolf Bensch]

Hi Matthias,

You don't use lastest Sane code. "[pixma] pixma version 0.17.0" should
be "[pixma] pixma version 0.17.6"! Please check your installation (as
described in README.linux).

Cheers,
Rolf


Am 21.04.2014 16:23, schrieb Matthias Peter Walther:
> Hallo Rolf,
> 
> I'm sorry I couldn't answer earlier.
> 
> That patch screwed it, no scans possible.
> 
> Grüße
> Matthias
> 
> On 03.04.2014 20:47, Rolf Bensch wrote:
>> Hi All,
>>
>> It seems that ADF out of paper issue is fixed now.
>>
>> Please test attached final patch, which is based on latest git sources.
>>
>> Please confirm that this patch fixes ADF out of paper issue for your
>> particular scanner.
>>
>> I'll commit this patch and some document updates after your confirmation.
>>
>> Many thanks for your help.
>>
>> Cheers,
>> Rolf
>>
>>
>>
>> Am 02.04.2014 20:54, schrieb Matthias Peter Walther:
>>> Hello Rolf,
>>>
>>> here the requested logfile.
>>>
>>> Bye
>>> Matthias
>>>
>>> On 26.03.2014 17:22, Rolf Bensch wrote:
>>>> Hi Matthias,
>>>>
>>>> I prepared a patch for the "stopped the 2nd paper by hand" issue. The
>>>> patch is based on patch4.
>>>>
>>>> Please revert this patch: pixma_common.c.patch4. With this patch my
>>>> system has too fast timeouts, and without this patch the timeouts take 1
>>>> sec. Please try to fix this by yourself. On the other hand there are no
>>>> timeouts when everything is working as expected.
>>>>
>>>> Cheers,
>>>> Rolf
>>>>
>>>>
>>>> Am 23.03.2014 14:54, schrieb Matthias Peter Walther:
>>>>> Hello Rolf,
>>>>>
>>>>> I created three more logs.
>>>>>
>>>>> And the timeouts are not fixed. In fact it's gotten even worse,
>>>>> scanimage is captured in an (infinite(?)) loop of timeouts of which each
>>>>> loop takes several minuites. Watch log "3rd_try".
>>>>>
>>>>> Bye
>>>>> Matthias
>>>>>
>>>>> On 21.03.2014 18:21, Rolf Bensch wrote:
>>>>>> Hi Matthias,
>>>>>>
>>>>>> I need a new log file for this issue:
>>>>>>
>>>>>>>>> And in the debug level 11 Iog I stopped the 2nd paper by hand.
>>>>>>>>> Scanner and sane aborts. But after removing the paper and pressing
>>>>>>>>> ok on the device, nothing happens anymore.
>>>>>> and the 2nd patch is for this issue:
>>>>>>
>>>>>>>>> By the way. The timeouts in the sane logs are still rediculous.
>>>>>>>>> When it counts down, between each line it waits up the 40 seconds
>>>>>>>>> and not the amount of seconds it says in the log.
>>>>>> and please test normal ADF scanning again.
>>>>>>
>>>>>> Cheers,
>>>>>> Rolf
>>>>>>
>>>>>>
>>>>>> Am 21.03.2014 00:16, schrieb Matthias Peter Walther:
>>>>>>> Hello,
>>>>>>>
>>>>>>> I'm not sure if I did this right. I installed the two patches shipped
>>>>>>> with your last email and used this command:
>>>>>>>
>>>>>>> $ export SANE_DEBUG_PIXMA=11
>>>>>>> $ scanimage -x 100 -y 100 > test.png 2>
>>>>>>> Scanimage_Debug_11_patch1+2+3new+4+Pressed_cancel_after_device_started.txt
>>>>>>>
>>>>>>> After the scanner started, I pressed cancel on the device. Is this what
>>>>>>> you need?
>>>>>>>
>>>>>>> Bye
>>>>>>> Matthias
>>>>>>>
>>>>>>>
>>>>>>> Am 20.03.2014 18:05, schrieb Rolf Bensch:
>>>>>>>> Hi Matthias,
>>>>>>>>
>>>>>>>> Please don't mix different testings in one log file and at the same
>>>>>>>> time. Please keep them in mind and let us go step by step.
>>>>>>>>
>>>>>>>> I assume that "normal" ADF scanning works with new patch 3.
>>>>>>>>
>>>>>>>> Am 19.03.2014 19:46, schrieb Matthias Peter Walther:
>>>>>>>>> Standard debug level 4 scan, the last 1 mm is still missing. As this
>>>>>>>>> seems to be firmware related, I think sane won't be able to change this.
>>>>>>>>> The linux binary has the same problem. And I tested it in windows with
>>>>>>>>> IrfanView. The last mm is still missing under windows, too. I think this
>>>>>>>>> is a firmware issue?
>>>>>>>>>
>>>>>>>> I guess the ADF hardware needs the last 1mm for the paper detector.
>>>>>>>>
>>>>>>>>> Maybe you just set the maximum height of an adf page to that last line
>>>>>>>>> it scans. That is 870 pixels @75 dpi.
>>>>>>>>>
>>>>>>>> I won't do so. What's when you want to scan a 14" sheet or A5 format?
>>>>>>>> Please set the used paper size in the frontend. Then you can also crop
>>>>>>>> left and right ADF frame.
>>>>>>>>
>>>>>>>>> And in the debug level 11 Iog I stopped the 2nd paper by hand. Scanner
>>>>>>>>> and sane aborts. But after removing the paper and pressing ok on the
>>>>>>>>> device, nothing happens anymore.
>>>>>>>>>
>>>>>>>> I see this error in the log file: "cancelled by hardware". The problem
>>>>>>>> is that the scan process has not been closed and the scanner cannot be
>>>>>>>> initialised for a new scan session because the previous is still active
>>>>>>>> in the scanner.
>>>>>>>>
>>>>>>>> To fix this I need the exact position in the code where "cancelled by
>>>>>>>> hardware" is detected. Please create a new log file with usb messages
>>>>>>>> with attached patch "pixma_mp150.c.patch4".
>>>>>>>>
>>>>>>>> And please scan a small area @ 75 dpi, not a whole page. This reduces
>>>>>>>> log file size.
>>>>>>>>
>>>>>>>>> The same bug comes, if you interrupt the scan with ctrl + C (scanimage).
>>>>>>>>> The printer continues pulling pages, but does not recover after it has
>>>>>>>>> finished. That works correctly with the binary. If I recover the scanner
>>>>>>>>> with the binary driver, that requires up to three attempts. During the
>>>>>>>>> first and often the second, it searches the scanner for 2 minuites and
>>>>>>>>> aborts then. After that the second failure the scanner works prefectly
>>>>>>>>> again. Maybe it's just a timeout in the devices firmware?
>>>>>>>>>
>>>>>>>> I assume that this is the same problem as above.
>>>>>>>>
>>>>>>>>> By the way. The timeouts in the sane logs are still rediculous. When it
>>>>>>>>> counts down, between each line it waits up the 40 seconds and not the
>>>>>>>>> amount of seconds it says in the log.
>>>>>>>>>
>>>>>>>> Maybe "pixma_common.c.patch4" will fix this.
>>>>>>>>
>>>>>>>>> I had to zip the logs, cause they are larger than 100 KB and the mailing
>>>>>>>>> list server doesn't accept that.
>>>>>>>>>
>>>>>>>>> Last question: Is it possible to autodetect if adf has paper and
>>>>>>>>> autoswitch the input method? Some scanner are able to do that.
>>>>>>>>>
>>>>>>>> Please keep this in mind.
>>>>>>>>
>>>>>>>> Cheers,
>>>>>>>> Rolf
>