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Thread: Scanner - white is blue...

  1. #1
    Join Date
    Dec 2006
    Location
    Alsace
    Beans
    1,057
    Distro
    Ubuntu 20.04 Focal Fossa

    Scanner - white is blue...

    I have an Epson Perfection V200 Photo scanner.

    It works as you would expect in XP.

    In Ubuntu, using the flatbed, not the transparency scan, real whites (white paper backgrounds) come out noticeably blue.
    This is annoying anyway & especially when printing afterwards.
    See example:



    Note that even the scanner white background (left) is blue.
    The dark blue (right) is where the paper pulls away from the glass when it overlaps the scan area.

    This is about the same using any of the available Scanner Applications:
    XSane / iscan / Simple Scan / AcquireImages etc.

    In XSane, my least-favorite scanner application, there is an option to "Set as White" any chosen point & this produces decent results:



    Many of the other applications have several colour-correction tools, but I didn't find any simple way of using them to fix my problem.

    Is this a common problem?

    Is there any way I can dial it out, once & for all?

    Or an easy way of using the controls in iscan or AcquireImages?

    Thanks for any tips!
    Acer Aspire TC-100-007: Multi boot W10 / 20.04 / 18.04 LTS: Canon TS705: Epson V200: also Asus 1015PED: W7 / 18.04 Lubuntu

  2. #2
    Join Date
    Jun 2006
    Location
    Canary Islands
    Beans
    91
    Distro
    Kubuntu 8.04 Hardy Heron

    Re: Scanner - white is blue...

    Same problem here with several scanners (Canon or hp) and several versions of ubuntu (up to ubuntu 11.04) without a solution, and I have tried many. Any ideas?
    Hutxubix

  3. #3
    Join Date
    Dec 2006
    Location
    Alsace
    Beans
    1,057
    Distro
    Ubuntu 20.04 Focal Fossa

    Re: Scanner - white is blue...

    Bump...
    Acer Aspire TC-100-007: Multi boot W10 / 20.04 / 18.04 LTS: Canon TS705: Epson V200: also Asus 1015PED: W7 / 18.04 Lubuntu

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