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L25500 magenta tends to dro out after awhile

Discussion in 'Hewlett Packard' started by MrTopgun21, Nov 26, 2019.

  1. MrTopgun21

    MrTopgun21 Member

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    Feb 23, 2013
    Midland, MI
    I have a L25500 that I'm nursing along for a bit. It's running well except I've developed a issue that one of the magenta heads tends to start dropping out and banding on long prints. Short prints are fine. The print heads have been replaced, using OEM ink (what I have left). It's like the head is starving for ink or something.

    Print quality test print looks good overall. Any ideas for what I should look at? I have the service technicians manual.
     
  2. Christian @ 2CT Media

    Christian @ 2CT Media Major Contributor

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    Jun 15, 2009
    Mesa, Arizona
    Take the left side cover off and check to see if ink is leaking... sounds like a cracked ink or vac line.
     
  3. MrTopgun21

    MrTopgun21 Member

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    Feb 23, 2013
    Midland, MI
    I apologize for it taking awhile to get back here. I took the side cover off and everything looks good. I don't see bubbles in the ink lines or any spilled ink. I attached a photo.
     

    Attached Files:

  4. BIG EASY DOES IT

    BIG EASY DOES IT Very Active Member

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    Mar 14, 2011
    CA
    Have you tried swapping the magenta printheads? Does the problem follow the printhead or does it stay in the same spot? If it follows the prinhead then you are still having printhead issues. If it stays in the same printhead slot then you know you have an issue with the printhead.

    Also there are service menu tests to test the ink delivery on that machine. If you do have the service manual go to the page on IDS Ink Deliver System. Scroll down and it will give you a few tests that you can do to figure out what's happening.
     
  5. Dan360

    Dan360 Member

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    Dec 23, 2014
    Ontario, Canada
    Try printing gutter colour bars, I've seen it fix this issue before.
     
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