[sane-devel] Canon Lide 220 not working over 1200dpi

[Jeroen Van den Keybus]

FWIW I contacted Genesys last week.

Let's not give up yet and see what happens next week.

BTW Why would you need 1.2k+ resolution ?


On Sun, Sep 15, 2019, 10:24 AM mfoolb bloofm <mfoolb at gmail.com> wrote:

> That is actually a bit frustrating considering I chose this model based on
> the 'fully supported from 75 to 4800 dpi' info found on the sane supported
> devices page (consider updating that).
> I don't know how to help for the GL chip datasheet info.
>
> Thanks.
>
> Il giorno sab 14 set 2019 alle ore 19:42 Jeroen Van den Keybus <
> jeroen.vandenkeybus at gmail.com> ha scritto:
>
>> Indeed 1200 and above does not work. If anyone has a datasheet of the GL
>> chip used, I may consider looking into it.
>>
>> It's a problem with the scan head motor that is not moving and software
>> waiting forever until it does.
>>
>>
>> On Sat, Sep 14, 2019, 4:39 PM Mikhail Novosyolov via sane-devel <
>> sane-devel at alioth-lists.debian.net> wrote:
>>
>>> 14.09.2019 14:01, mfoolb bloofm пишет:
>>>
>>> Hello,
>>>
>>> I've just bought a Canon Lide 220 scanner but I can't make it work at
>>> 2400 or 4800 dpi.
>>> The scanner is supported 100% from 75 to 4800 dpi as of
>>> http://www.sane-project.org/sane-mfgs.html#Z-CANON.
>>> I'm using Ubuntu 19.04 and sane 1.0.27.
>>> Tried using simple-scan and genesys library on Gimp (2.10.8), if
>>> resolution is 2400 simple-scan freezes same thing on GIMP from 1200dpi and
>>> up.
>>> I need 2400 or 4800 dpi scan of little areas (2cmx2cm) of documents.
>>> Can anyone help me?
>>> Thanks.
>>> --
>>>
>>> Marco.
>>>
>>> I think I heard something about 2400 DPI on Canon LiDE, but don't
>>> remember what.
>>>
>>> Did you try installing latest sane git snapshot from PPA
>>> https://launchpad.net/~rolfbensch/+archive/ubuntu/sane-git ?
>>>
>>
>
> --
>
> Marco.
>
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