MX5500N Black looks purple

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  • maf49
    Junior Member
    • Jan 2014
    • 9

    #1

    MX5500N Black looks purple

    We have an MX5500N that whenever we print or copy in color the black looks purple. When we do B/W the black looks fine. We have run all the calibrations for color quality. Nothing seems to change it. Any ideas would be greatly appreciated.
  • ruben
    The New Guy

    1,000+ Posts
    • Oct 2012
    • 1203

    #2
    Re: MX5500N Black looks purple

    What you are most likely seeing is process black; a CYM combination to form a close approximation of black. Most printing drivers allow you to choose between pure black and process black.

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    • maf49
      Junior Member
      • Jan 2014
      • 9

      #3
      Re: MX5500N Black looks purple

      No it is more than just that. I have other similar machines here in the shop that dont do this. It does it a great deal on the grey scale more than the solid blacks when we use a test chart. Also the blues are coming out really dark purple.

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      • blackcat4866
        Master Of The Obvious

        Site Contributor
        10,000+ Posts
        • Jul 2007
        • 23008

        #4
        Re: MX5500N Black looks purple

        It sounds like you've got a yellow problem.

        Composite black is equal parts yellow, cyan, magenta.
        Most blues have cyan and yellow

        If yellow is missing composite black becomes only cyan + magenta = purple. =^..^=
        If you'd like a serious answer to your request:
        1) demonstrate that you've read the manual
        2) demonstrate that you made some attempt to fix it.
        3) if you're going to ask about jams include the jam code.
        4) if you're going to ask about an error code include the error code.
        5) You are the person onsite. Only you can make observations.

        blackcat: Master Of The Obvious =^..^=

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        • maf49
          Junior Member
          • Jan 2014
          • 9

          #5
          Re: MX5500N Black looks purple

          Yeah I ran some single color sky shots and the yellow looks weak. I swapped drums with no change. I will have to order the DV and try that. I think that may be the issue.

          Thanks

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