[sane-devel] UsbSnoop for Canon DR-C225

[m. allan noah]

hmm, can you try to get a debugging log like so:

SANE_DEBUG_CANON_DR=35 scanimage --resolution 100 > test.pnm 2>test.log

then send me a compressed version of test.log?

allan

On Mon, Apr 20, 2015 at 7:45 PM, Nicolas Marchildon
<nicolas at marchildon.net> wrote:
> Duplex & resolution appear to be interpreted, since the number of files and
> scanning speed varies, but the ouput is always a black image.
>
> Tried combinations of:
>
> scanimage --resolution {100,600} {,--mode Color} {,--source "ADF Duplex"}
> --batch
>
>
> Le lun. 6 avr. 2015 à 21:40, m. allan noah <kitno455 at gmail.com> a écrit :
>>
>> I have attached a patch which will hopefully improve the situation. I
>> have guessed at most of the parameters, and so we might have to
>> experiment. Please apply this to a current git repo, and try some
>> scans, simplex, duplex, color, gray, etc.
>>
>> allan
>>
>> On Wed, Apr 1, 2015 at 9:57 AM, Nicolas Marchildon
>> <nicolas at marchildon.net> wrote:
>> > Le mar. 31 mars 2015 à 21:56, Nicolas Marchildon
>> > <nicolas at marchildon.net> a
>> > écrit :
>> >>>
>> >>> Can you get another usb log from windows, but this time with a low
>> >>> resolution, color duplex scan, of only the top of the paper? If the
>> >>> front side could have RGB written in those colors, and the back side
>> >>> could be blank or have black writing, that would help.
>> >>
>> >>
>> >> I'll do that tomorrow. I have attached what I plan to scan. I assume a
>> >> large font is going to make it easier to spot.
>> >
>> >
>> > I cut the bottom of the sheet off in an attempt to reduce file size, but
>> > it's slightly bigger. I can't go lower than 150 dpi.
>> >
>> > https://drive.google.com/file/d/0B1s3C34oDHi5UkowLTVaZDZsSVk/view
>>
>>
>>
>> --
>> "well, I stand up next to a mountain- and I chop it down with the edge
>> of my hand"



-- 
"well, I stand up next to a mountain- and I chop it down with the edge
of my hand"