Of the combinations to which the present invention is applicable, the most preferable is a case where the ink of this embodiment is a black ink, because the effect of this embodiment such as {HEAD ~ increase} in {TAIL ~ OD value} and suppression of “haze” can most effectively contribute to the quality of printed characters 
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Of the combinations to which the present invention is applicable , the most preferable is a case where the ink of this embodiment is a black ink , because the effect of this embodiment such as { HEAD ~ increase } in { TAIL ~ OD value } and suppression of “ haze ” can most effectively contribute to the quality of printed characters
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