[sane-devel] Canon LiDE 210 issue - exceeds maximum scan height?

[Gernot Hassenpflug]

On Fri, Jan 14, 2011 at 6:41 AM, stef <stef.dev at free.fr> wrote:
> Le Thursday 13 January 2011 00:37:52 Heinz Wiesinger, vous avez écrit :
>> On Wednesday 12 January 2011 21:05:09 you wrote:
>> > Le Wednesday 12 January 2011 08:41:55 Heinz Wiesinger, vous avez écrit :
>> > > On Wednesday 12 January 2011 06:52:35 stef wrote:
>> > > > Le Wednesday 12 January 2011 00:21:35 Heinz Wiesinger, vous avez écrit
> :
>> > > > > Hi!
>> > > > >
>> > > > > I got myself a Canon LiDE 210 today and immediatly tried it with
>> > > > > latest git (922a22e). It was detected fine and it seems to work
>> > > > > pretty good as well.
>> > > > >
>> > > > > Preview works fine, but I noticed that after the actual scanning
>> > > > > run, when the scanhead is parked again, it tries to go back too
>> > > > > far. It does not happen after the preview run, only after the
>> > > > > scan.
>> > > > >
>> > > > > If there is anything else I can provide to help get this bug fixed,
>> > > > > don't hesitate to contact me :)
>> > > > >
>> > > > > Grs,
>> > > > > Heinz
>> > > >
>> > > >         Hello,
>> > > >
>> > > >         when you wait for the scanning head to park before each scans no
>> > > >         mare
>> > > >
>> > > > motor noise), do you have the same issue ?
>> > >
>> > > Interesting, I thought I had tested that case as well, but apparently I
>> > > didn't.
>> > > It's true, if I wait between each scan nothing happens, the head is
>> > > parked correctly. If I do not wait, or specify multiple scans from the
>> > > beginning, it has issues.
>> > >
>> > > Grs,
>> > > Heinz
>> >
>> >     OK,
>> >
>> >     thanks for the tests. I have just pushed a fixed for this bug to the git
>> >
>> > source tree.
>>
>> Thank you very much. Confirmed working now here as well :)
>>
>> >     BTW, do you have a windows environment where you can run your LiDE 210?
>> >
>> > Does the windows proposes a 2400 dpi resolution ? In this case I'd be
>> > much interested by a log recorded with
>> > http://www.pcausa.com/Utilities/UsbSnoop/ of a very small area scanned
>> > at 2400 dpi.
>>
>> Hmm, I'm not sure. The list only offered up to 1200 dpi, but it was
>> editable. So I tried defining 2400 dpi and from what I can see it worked.
>> At least gimp reports the scanned image with 2400 dpi. I did the same for
>> 4800 dpi as well, don't know if it is useful or not.
>>
>> I tried to get as small as possible scans, maybe it ended up too small. If
>> so tell me and I'll run it again. I uploaded the logs to my server, they
>> are available here: http://www.liwjatan.at/files/logs/
>>
>> Hope that helps! :)
>>
>> Grs,
>> Heinz
>        Hello,
>
>        thanks for the logs. I see no 2400 or 4800 resolution in it. However I
> managed to get 2400 dpi work for LiDE 110 and 210. I've just pushed it in the
> git source tree.
>
> Regards,
>        Stef

Hi,
According to Canon's webpage, the LiDE210 does have 4800x4800 optical
resolution:
http://www.canon.com.au/en-au/For-You/Faxes-Scanners/CanoScan-Scanners/LiDE210
http://www.canon.co.uk/For_Home/Product_Finder/Scanners/Flatbed/canoscan_lide_210/
http://www.usa.canon.com/cusa/consumer/products/scanners/photo_scanners/canoscan_lide210#Specifications
(The LiDE110 only has 2400dpi.)

Best regards,
Gernot