[sane-devel] Broken scan area with backend xerox_mfp

[ABC]

Hello,

First, I thought to downgrade support tag of this device from :good to
:basic or even :minimal. But, after second thought I assume that your
device may be broken. IF image is shifted (cut above but empty band IS
below) THEN it is probably not driver problem, but device problem.

Your device may be damaged (or somehow lost calibration) after
transportation.

Test the scanner in Windows on desired resolutions. If it does not have
have same problem under Windows, test again under Linux if problem
persists. Please report your findings.

-abc

On Mon, Jan 23, 2017 at 07:50:12PM +0100, Buddy Butterfly wrote:
>    Hi all,
>    as suggested by pavlushka on irc, I am posting my problem to this
>    list.
>    I am using a Xerox Workcentre 3220 MFP. I have the issue that the
>    scanning
>    area is broken for all resolutions >150dpi. To be exact, only
>    resolution
>    150 and 1200 works. When using 300dpi, for example,
>    about 20% of the page is cut at the top. It looks like the page is
>    shifted
>    up. The same amount (of course) then stays white at the bottom of the
>    page.
>    I am using git snapshot ppa:
>        scanimage (sane-backends) 1.0.26git; backend version 1.0.26
>    OS: Kubuntu trusty.
>    Scanner details (output from "scanimage -A -d "xerox_mfp:tcp print1"):
>    All options specific to device `xerox_mfp:tcp print1':
>      Standard:
>        --resolution 75|100|150|200|300|600|1200dpi [150]
>            Sets the resolution of the scanned image.
>        --mode Lineart|Halftone|Gray|Color [Color]
>            Selects the scan mode (e.g., lineart, monochrome, or color).
>        --highlight 30..70% (in steps of 10) [inactive]
>            Select minimum-brightness to get a white point
>        --source Flatbed|ADF|Auto [Flatbed]
>            Selects the scan source (such as a document-feeder).
>      Geometry:
>        -l 0..215.9mm (in steps of 1) [0]
>            Top-left x position of scan area.
>        -t 0..297.18mm (in steps of 1) [0]
>            Top-left y position of scan area.
>        -x 0..215.9mm (in steps of 1) [215.9]
>            Width of scan-area.
>        -y 0..297.18mm (in steps of 1) [297.18]
>            Height of scan-area
>    Regarding the support page the support for Workcentre 3220 should be
>    "good".
>    Though, not being able to use 200 and 300dpi is not so good ;-)
>    Any idea how to get around this issue? Any customizable parameters?
>    Thanks a lot for any help!
>    Cheers,
>    Matt

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