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cross contamination of M lines

Discussion in 'Mutoh' started by SummitSignsandmore, Oct 29, 2019.

  1. SummitSignsandmore

    SummitSignsandmore Active Member

    602
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    Jul 16, 2009
    PA
    My Mutoh 1204 sometime experiences cross contamination of my M ink? When the machine sits a couple days without printing or over the weekend sometime when I come in the magenta lines are cross contaminated black. I have to run the M ink solid for awhile to get the M back to printing the correct output.

    My ink cartridges aren't low.
     
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  2. BIG EASY DOES IT

    BIG EASY DOES IT Very Active Member

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    Mar 14, 2011
    CA
    Possibly Dampner for the magenta line leaking slightly somewhere or just not holding and the magenta is sucking black up from the capping station as it drains? Just throwing it out there. Haven't seen this issue on our machine.
     
  3. SummitSignsandmore

    SummitSignsandmore Active Member

    602
    2
    18
    Jul 16, 2009
    PA
    Thank you so much for your input!. I'll start with some fresh dampers and see if it will eliminate the issue.
     
  4. heyskull

    heyskull Very Active Member

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    14
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    Sep 2, 2007
    UK
    This can also be due to the capping station lint touching the head when it is parked.

    SC
     
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