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Question mutoh valuejet 1204 WHEN PRINTING BLACK IT PRINTS DARK GREEN WHY

Discussion in 'Mutoh' started by scott dunacn, Mar 17, 2019.

  1. scott dunacn

    scott dunacn adgrafix

    19
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    Aug 27, 2018
    alabama
    mutoh valuejet 1204 WHEN PRINTING BLACK IT PRINTS DARK GREEN WHY
     
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  2. TimToad

    TimToad Very Active Member

    How is your black color built? Is it C:0/M: 0/ Y: 0/ K: 100?
     
  3. RPM

    RPM Member

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    Nov 23, 2015
    Rogers MN
    Does it start out dark green and then turn black? If so, you most likely have a maintenance staton issue. where is is drawing ink back through the printhead. Could use a little more information in order to make a more informed diagnosis. Also, as TimToad asked are you printing just 100% K or are you using rich black CMYK?
     
  4. Joe House

    Joe House Active Member

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    Feb 5, 2004
    WA
    What does the nozzle test print look like?
     
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  5. TimToad

    TimToad Very Active Member

    A great place to start any diagnostic exercise.
     
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  6. Joe House

    Joe House Active Member

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    Feb 5, 2004
    WA
    It's usually the basics that trip you up
     
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  7. heyskull

    heyskull Very Active Member

    1,644
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    Sep 2, 2007
    UK
    To print a pure black on any CMYK it has to be set on C:100/M: 1000/ Y: 1000/ K: 100.
    Set at C:0/M: 0/ Y: 0/ K: 100 will just print the black channel which if you are using cheap inks can be anything but Black when printed.
    Also you might have cross contamination of the CMYK channels.
    If you are printing a black to white or any other colour fade then the fun begins. As you will have an ongoing fight trying to get a decent fade and black print.
    Please post your nozzle test.
     
  8. billsines

    billsines Member

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    May 24, 2016
    Lagrange
    i always use 40/40/40/100.
     
  9. Johnny Best

    Johnny Best Very Active Member

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    Dec 9, 2015
    buffalo ny
    I have a 1204 and work in rgb and save as a .pdf. My black which prints black is set at r 0 g 0 b 0. The RIP prints it in CMYK.
    You need to look at your nozzle check to see if your black ink is firing. Might need a new maintenance station or new dampers.
     
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  10. scott dunacn

    scott dunacn adgrafix

    19
    2
    3
    Aug 27, 2018
    alabama
    NOT GOOD
     
  11. Joe House

    Joe House Active Member

    756
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    Feb 5, 2004
    WA
    You'll never get good color from a print head that doesn't fire all the nozzles. It doesn't matter what color mix you use in the file if the print head isn't cooperating.

    Check/Replace your maintenance station as a first step. Then post a picture of the nozzle test print for further help if that doesn't resolve the issue.

    Good Luck
     
  12. Tfloraditch

    Tfloraditch Member

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    Oct 26, 2017
    Hooksett NH
    You need to make your own profiles.
     
  13. scott dunacn

    scott dunacn adgrafix

    19
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    Aug 27, 2018
    alabama
    ? how do i fix this
     

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  14. RG

    RG Member

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    Dec 6, 2006
    South Mississippi
    What is the distance between white stripes? Looks like you might have a locked print head: one that's made for a desktop printer. Or, your Flexi program could be in demo mode.
     
  15. scott dunacn

    scott dunacn adgrafix

    19
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    3
    Aug 27, 2018
    alabama
    i am running flexi 19 it was printing good last night i got the print head from mutoh
     
  16. night eagle

    night eagle Active Member

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    Mar 9, 2009
    Crowley tx
    Might be flexi issue. 19 is very buggy
     
  17. Subysti

    Subysti Member

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    May 16, 2019
    Massachusetts
    I had same issue on my 1324 and it was the red nozzles mostly clogged, made my blacks look green.
     
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