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Epson 3800- Odd Black marks along print edges

Discussion in 'Epson InkJet Printers' started by William Campbell, May 3, 2019.

  1. May 3, 2019
    William Campbell

    William Campbell Printing Apprentice

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    Printer Model:
    Epson Stylus pro 3800
    I have started to see odd black ink marks along the print border.

    Epson 3800 printer.

    I have done several head cleaning cycles, as well as head alignment.

    Also cleaned some of the internal parts via Jose Rodriguez great recommendations
     

    Attached Files:

  2. May 3, 2019
    The Hat

    The Hat Printer VIP Moderator

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    Canon were, BUT 3D is better..
    That looks very like your matte/photo black switch leaking...:(
     
  3. May 3, 2019
    mikling

    mikling Printer Master Platinum Printer Member

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  4. May 6, 2019
    William Campbell

    William Campbell Printing Apprentice

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    Printer Model:
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    Is there a way to tell if the matte/photo black switch is really leaking?
     
  5. May 6, 2019
    The Hat

    The Hat Printer VIP Moderator

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    Yes, there is, and you have seeing the evidence yourself, when you have that much black ink leaking onto the surface of your print, there is only one thing that causes that to happen, the switch valve system has failed... :(
     
  6. May 7, 2019
    lolopr1

    lolopr1 Print Addict

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    I just purchased the ink selector valve for my 3800 & R3000 after having the same issue. The easiest/less messy way to approach this is to replace the whole damper unit, but is also more expensive.

    Damper Unit
    https://ebay.us/MnRpEF

    Damper Switch Valve
    https://ebay.us/gsbDCe
     
    PeterBJ and The Hat like this.
  7. May 13, 2019
    A. Wulff

    A. Wulff Printing Apprentice

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    Printer Model:
    Epson Pro 3880
    I just uploaded a post: Epson 3880 Black Ink Leak Repair that may be helpful.
    https://www.printerknowledge.com/threads/epson-3880-black-ink-leak-repair.13269/


    Edit:
     

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