Re: [Canonscanner-devel] more Good news from N656U

[Christian <c.r...@ro...>]

Am Freitag, 4. Oktober 2002 11:52 schrieb R N dev:
> Hi!
> the patch was what i needed to start the engines.
> When starting acquiring images the noise comes and
> never gives up. I understand that some parameters
> about scanning area are wrong. I'm going to
> search on mail archive similar problems to calibrate
> my scanner... but i'll do tonight.

Have a look at y_range and x_range - I think - canon_usb.c or so. I playe=
d=20
with these values (8.48 and 11.8) until they worked for me. Try values li=
ke=20
8.00 and 11.00. Maybe your scanner documentation helps you finding out th=
e=20
correct values.

Regards

Christian

> Now i see that either my changes or the Christian's
> patch have common points that are
> different respect the original file (i.e.
> SCANNER_IOCTL_VENDOR and SCANNER_IOCTL_PRODUCT
> definitions for ioctl). This
> could mean that we have to do different data
> structures for different kind of canon scanners.
>
> Angelo
>
>
>
>
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