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  1. #1
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    C300i - Color Cast on Scans


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    C300i - Color Cast on Scans

    Hi everyone,

    i have a problem withy my scans having a magenta color cast. This behavior occurs randomly, maybe once out of 10 scans.
    The whole document will have the color cast, it doesn`t matter how many pages, or which settings (resolution e.g.)

    I attached two PDFs with one having the cast and one scanned normally as it should be:

    Normal.pdf

    ColorCast.pdf

    Scanner: DF-714 DualScan
    Firmware: AA2J0Y0-0100-G00-7B(00) - Function Version: 1.0

    Settings are alle pretty much standard. No additional software installed.

  2. #2
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    Re: C300i - Color Cast on Scans

    Quote Originally Posted by mkonkelz View Post
    Hi everyone,

    i have a problem withy my scans having a magenta color cast. This behavior occurs randomly, maybe once out of 10 scans.
    The whole document will have the color cast, it doesn`t matter how many pages, or which settings (resolution e.g.)

    I attached two PDFs with one having the cast and one scanned normally as it should be:

    Normal.pdf

    ColorCast.pdf

    Scanner: DF-714 DualScan
    Firmware: AA2J0Y0-0100-G00-7B(00) - Function Version: 1.0

    Settings are alle pretty much standard. No additional software installed.
    Are your scan settings configured for strictly B&W or Auto Color Detection???C300i - Color Cast on Scans

    Sent from my SM-N950U1 using Tapatalk
    REACH FOR THE STARS!!!
    Konica Minolta Planetariums!
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  3. #3
    Aging Tech 5,000+ Posts
    C300i - Color Cast on Scans

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    Re: C300i - Color Cast on Scans

    Quote Originally Posted by mkonkelz View Post
    Hi everyone,

    i have a problem withy my scans having a magenta color cast. This behavior occurs randomly, maybe once out of 10 scans.
    The whole document will have the color cast, it doesn`t matter how many pages, or which settings (resolution e.g.)

    I attached two PDFs with one having the cast and one scanned normally as it should be:

    Normal.pdf

    ColorCast.pdf

    Scanner: DF-714 DualScan
    Firmware: AA2J0Y0-0100-G00-7B(00) - Function Version: 1.0

    Settings are alle pretty much standard. No additional software installed.

    If you are duplex scanning does it show on side two?

  4. #4
    Technician
    C300i - Color Cast on Scans


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    Re: C300i - Color Cast on Scans

    Quote Originally Posted by qbert69 View Post
    Are your scan settings configured for strictly B&W or Auto Color Detection???C300i - Color Cast on Scans

    Sent from my SM-N950U1 using Tapatalk
    I always scan using auto color detection, so it shows on auto color. I don`t scan B&W.

  5. #5
    Technician
    C300i - Color Cast on Scans


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    Re: C300i - Color Cast on Scans

    Quote Originally Posted by copier addict View Post
    If you are duplex scanning does it show on side two?
    I need to try this. The scans so far were only one sided.

    Edit: It also appers on the original glass.

  6. #6
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    Re: C300i - Color Cast on Scans

    Possible CIS asssembly or cable

  7. #7
    Service Manager 1,000+ Posts
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    Re: C300i - Color Cast on Scans

    Quote Originally Posted by mkonkelz View Post
    I always scan using auto color detection, so it shows on auto color. I don`t scan B&W.
    There ya go!!! Sounds like it is flip-flopping between b&w and color during auto detect...set to strictly b&w and see what kind of results you get!!! C300i - Color Cast on ScansC300i - Color Cast on Scans

    Sent from my SM-N950U1 using Tapatalk
    REACH FOR THE STARS!!!
    Konica Minolta Planetariums!
    https://www.konicaminolta.com/planet...gma/index.html

  8. #8
    Service Manager 1,000+ Posts
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    Re: C300i - Color Cast on Scans

    Quote Originally Posted by mkonkelz View Post
    I always scan using auto color detection, so it shows on auto color. I don`t scan B&W.
    Possibly a "white balance" calibration issue during auto color/b&w detect. There should be a way to adjust the sensitivity!!!C300i - Color Cast on ScansC300i - Color Cast on Scans

    Sent from my SM-N950U1 using Tapatalk
    REACH FOR THE STARS!!!
    Konica Minolta Planetariums!
    https://www.konicaminolta.com/planet...gma/index.html

  9. #9
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    Re: C300i - Color Cast on Scans

    I highly doubt that is a setting issue. It looks like CIS assembly or cable. We used to see this occasionally on the 8 series.

  10. #10
    Technician
    C300i - Color Cast on Scans


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    Re: C300i - Color Cast on Scans

    Okay, i just tried scanning double sided. And it only shows on the 1st side(s).
    So the DualScan CIS seems not to be affected.

    Edit: Also it just appered on 4 separate scans in a row, just to disapper on the 5th one, without changing anything or moving the DualScanner.

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