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  • Printing problems- yellow printing green

  • Martyn Heath

    Member
    October 18, 2021 at 2:51 pm

    Hi all. I dont claim to be a printer expert and have had over 4 years of happy printing on my Mutoh vj1614 which i purchased in good used condition. Today was the first time i had to look under the hood as my yellow nozzle checks were green and my magenta was a slight purple.

    The yellow damper and pipe was geen for about a foot.

    What can cause this? whats the solution?

    I searched the forums and came up with possibilities that i didnt really understand, mostly pump line issues etc etc. i did multiple cleans to check ink was draining into the waste tank and poored cleaner through the capping station (i do this once a week anyway)

    It appeared that the yellow line was turning more yellow so i continued printing block colour until finally all seems back to normal.

    However i still dont know why this happend? or if its truly fixed, could it be a blockage in the waste pipes or problem with capping station?. My understanding is that if it a damper problem it would be air not ink migration.

  • Robert Lambie

    Administrator
    October 18, 2021 at 6:51 pm

    “The yellow damper and pipe was “geen” for about a foot.”

    hi mate, do you mean it was “green” for about a foot or it was “gone” for about a foot?

    if it was gone, it could have been air in the line and the more you used it you bleed it through until it started working again?

  • Martyn Heath

    Member
    October 19, 2021 at 3:46 am

    Hi Rob, no it was fully green for about a foot. Somehow cyan got into the line

  • John Thomson

    Member
    October 19, 2021 at 8:49 am

    I would clean the heads thoroughly then draw ink up until it runs clean.

    Sounds to me like cyan has back due to dried ink or perhaps the head/ capping station not aligned.

    This has happened to me a few times over the years.

    Hope that helps.

    John

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