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

Fri May 2 16:40:16 UTC 2014

Hello Rolf,

I'm sorrry, that this took so long time, but I replaced my pc and
restarted from zero. That's why I used the wrong library version last time.

But I think there are still issues. I scanned 3 pages. And if I cause a
paper input error for example by holding it back with my hand, I can
press cancel and OK on the scanner, restart scanimage and it will work.
This seems to be fixed now.

But: The pages have the wrong aspect ratio, they are far too long. And
the "resolution"-parameter is ignored. I scanned with 300dpi and the
images have just around 2MB and are of low quality.

I don't know why, but with patch1-5 it worked better. Did you change
something or did you just sum up the patches? I'm still unsure, if it's
a problem with my setup...

Grüße
Matthias

On 21.04.2014 17:07, Rolf Bensch wrote:
> 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

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