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Pigment in dye head.

Discussion in 'Hewlett Packard HP InkJet Printers' started by ccc, Nov 19, 2018.

  1. Dec 3, 2018
    ccc

    ccc Printing Apprentice

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    Thanks ISF, good info on the Epsons. Still hoping a thermal head HP (or Canon) experimenter to chip in.
     
  2. Dec 3, 2018
    The Hat

    The Hat Printer VIP Moderator

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    I’m sorry but, what part of no, it won’t work do you not understand, it not an experiment, more like an execution...?

    Why don’t you try it for yourself, then you’d have first-hand experience...?
     
  3. Dec 3, 2018
    ccc

    ccc Printing Apprentice

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    Not quite the answer we were looking for. We'll end the conversation now.
     
  4. Jan 21, 2019
    ccc

    ccc Printing Apprentice

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    I took the suggestion of trying it for myself using a Chinese site which supplies re-filled carts for HP T120 printers. They say the carts are filled with pigment ink and they also sell print head assemblies for about US$100. Seemed worth the chance.
    The machine printed out as easily as it did with dye inks, but was the new ink really pigment? After almost six months of exposure to Australian summer sun, there was very little fade.
    My conclusion is that they have used pigment and it really works, or they have an excellent fade resistant dye ink. Either way I have the longevity I was seeking.
     
  5. Jan 21, 2019
    ccc

    ccc Printing Apprentice

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    Further info: I put a dye yellow cartridge in the printer and left the cyan and magenta and black "pigment" ones in.
    Using plain paper I printed test image and let the paper and inks dry. Then when immersing the paper in water only the yellow leached out, the others couldn't even be rubbed off.
    My conclusion is that the inks I found are pigment, they work very well in an HP120 that normally uses dye ink for colors.
     
  6. Jan 21, 2019
    Ink stained Fingers

    Ink stained Fingers Printer Master

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    O.k.- that's working so far and is probably interesting for some other people as well looking for an alternative to the dye inks. A question remains how the pigment inks, the printer performs after prolonged use - it could be that the printhead cleaning unit gets clogged with the pigments or some other part is not made for use with pigment inks.
     
  7. Jan 22, 2019
    demoeb

    demoeb Getting Fingers Dirty

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    Is the print head encrypted? If it is you may need to buy an unencrypted one - for myself, it would be expensive to buy an unencrypted print head - at least $1000US which is ludicrous! I hope mine lasts me many years and plan on treating it like a princess and buying a dust cover for it (this house seems to be very dusty compared to other places I've lived)

    Edit: Before buying another one DO try unclogging it of course! :)
     
  8. Jan 22, 2019
    stratman

    stratman Printer VIP Platinum Printer Member

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    Encrypted print head? Not heard that terminology before. Do you have a link to an unencrypted print head?
     
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  9. Jan 22, 2019
    demoeb

    demoeb Getting Fingers Dirty

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  10. Jan 22, 2019
    demoeb

    demoeb Getting Fingers Dirty

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    Well it's January 2019 now, has it clogged up the print head yet? :) *g*
     
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