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Need Help Mutoh 1204 ink draining back to cartrage

Discussion in 'Mutoh' started by davej42, Sep 29, 2019.

  1. davej42

    davej42 cool

    Oct 13, 2012
    ico arkansas
    My Mutoh 1204 ink draining back to cartage. Have new capping station but cant get red and black to work because there is no oink in the line. Took an old cartridge (which by the way are never really empty) dissected it so i could put pressure on them and got ink to the head on the red cartridge but it just drains right back. Am using a 3rd party cartridge and i think that is what started it, i got a bad cartridge that leaked everywhere.

    Going to order new dampers but any suggestions?
  2. Solventinkjet

    Solventinkjet DIY Printer Fixing Guide

    Aug 2, 2011
    Denver, CO
    You're on the right track with dampers. Ink naturally recedes back to the cartridge when air is getting in the system or the damper is failing. Usually it's the damper or the o-ring that connects the damper to the ink line.
  3. Project Sign

    Project Sign New Member

    Sep 10, 2011
    I have a 1204 for sale, not running , good for parts, 500

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