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  1. Meaning of Eco Ultra ink manufacture code?

    Hi all, I'm new here and I have my first question for you long time experts :) I'm working on a Rockhopper II 64/Falcon II printer and I am using ECO ultra ink casettes (original Mutoh). On the end of the casette/cartridge, says: Manufactured 2I7 (or 2H7, 2D8 ect)What does each letter in this...
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