[sane-devel] Canon ImageCLASS MF4350d, Ubuntu 8.04, scanner not found

[Nicolas Martin]

Le lundi 01 février 2010 à 00:24 -0500, Michael DeBusk a écrit :
> On 01/30/2010 05:36 AM, Nicolas Martin wrote:

> The black and the white were fine. I had trouble with the gray on the
> color scan because gray on an inkjet isn't really gray. I had better
> luck with a DVD cover I had nearby.

Yes, an inkjet print is scattered, more especially if you printed it in
colour.
But Xsane gray pipette uses the luminance of the selected pixel/zone to
trim contrast/brightness and gamma, not directly the actual pixel color.

> > Let us know if everything goes right with the results you get, so
> > that I can update the documentation for this device.
> 
> All went well once I got the scanner to wake up. I had to turn it off
> and on. Even hitting the buttons didn't get its attention (lights came
> on, but scanner still didn't wake up).
> 
> Thank you all for your help.
> 
Thanks for your feedback, I'll update Sane documentation ASAP for this
device.

Nicolas