[sane-devel] Canon LiDE70 support

Mark Dm markosjal at gmail.com
Sat Apr 15 23:28:38 BST 2023

I think also depending on what software you use to scan makes a big
difference   some software has the ability to process the image according
to a defined preset or even auto mode. Seems to me I discovered much the
same on an old cannon scanner some years ago.

On Sat, Apr 15, 2023, 2:24 PM Ralph Little <skelband at gmail.com> wrote:

> Hi,
> On 2023-04-15 12:49, Steve Underwood wrote:
> > Hi,
> >
> > I just found there is sane support for our old Canon LiDE70 scanner. I
> > can scan with this OK, but the colour balance, contrast, etc. looks
> > very strange. I noticed the man page says auto-calibration is not
> > supported. Are there any tools to sort out the image quality settings
> > easily? Perhaps by scanning a reference image?
> >
> > Regards,
> >
> > Steve
> >
> I don't believe so. Most scanners can perform auto calibration with
> reference to hidden black and white strips inside the case.
> For a lot of these scanners that use scanner-on-a-chip designs, that
> process has to be performed by the driver code and I don't think that
> has been written for this scanner as yet.
> Cheers,
> Ralph
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