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460GT head clean and disable

Discussion in 'Flatbed Printers' started by growler, Mar 17, 2019.

  1. growler

    growler Member

    77
    0
    6
    Apr 20, 2010
    NZ
    Hey team

    double barrled question here.

    Firstly, does anyone use NMP on their heads to clean them. I have previously used it on other machines (KM512 heads) and had amazing results at cleaning deflection and blockages. artbotartbot can you answer this one?

    Secondly, my varnish and white heads never get used, I would love to remove them and disable if possible so I have spare heads or I guess at worst find some long life chips so I don't have to keep throwing ink out, anyone have ideas/solutions on this?

    TIA :)
     
  2. CMYKENGINEERING

    CMYKENGINEERING Member

    75
    18
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    Jul 29, 2015
    Santa Monica
    You can convert your white and varnish heads to additional cyan and magenta heads, for instance. In case you don't want to do that, you could disconnect the tanks and remove the heads. If you're interested in this option, I can provide more detailed instructions.

    Alternatively, you can purchase ink authentication RFID chips that last for 1 year, so you could leave your machine untouched and only replace the chips once a year.
     
  3. growler

    growler Member

    77
    0
    6
    Apr 20, 2010
    NZ
    Would love some info on disabling altogether and having the machine not give me constant errors. Will I need a SDS key, can I purchase one of these anywhere?
     
  4. CMYKENGINEERING

    CMYKENGINEERING Member

    75
    18
    8
    Jul 29, 2015
    Santa Monica
    It's a little involved and somewhat depends on how comfortable you are working on your machine.

    Basically, you'll want to trick the printer into thinking the carriage tanks are full. You do this by disconnecting the ink level sensors for the heads in question. Then, you'll want to flush the ink left in those tanks. Close all the other tanks except the ones you're working on, then push the purge button several times, until no more ink comes out of the heads. Assuming you want to save those heads, turn off the machine, disconnect the heads, close the subtanks' outlets with caps, and deinstall the heads.

    I've attached some pictures to help guide you in the process. An SDS key is not required.
     

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