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Jackolantern
Lv 7
Jackolantern asked in Entertainment & MusicJokes & Riddles · 3 months ago

How do you know when your pen with invisible ink is empty?

8 Answers

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  • ?
    Lv 7
    3 months ago
    Favorite Answer

                       

      

    Source(s): written on my keyboard with invisible pixils.
  • Anonymous
    3 months ago

    When it's empty, the cartridge becomes visible. doh. otherwise how else would you know?  

  • RR
    Lv 6
    3 months ago

    When the writing is on the wall

  • ?
    Lv 4
    3 months ago

    My penis IS empty when there no longer is any ink.

    Hope that helps.

  • ?
    Lv 7
    3 months ago

    It becomes less in weight.

  • User
    Lv 7
    3 months ago

    When the "nib" is dry

    (you can tell by the feel of the pen as it moves over the paper)

  • GF
    Lv 6
    3 months ago

    That's how they get you. They'll tell you that you need to buy more ink even if you don't. Thats why I don't purchase invisible products. It's just a headache waiting to happen 

  • Big Kahuna
    Lv 7
    3 months ago

    I have pen with invisible ink;I have pineapple.

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