WASHING SOLUTION FOR INK JET HEAD, METHOD FOR PRODUCING THE SAME, AND METHOD FOR WASHING INK JET HEAD USING THE SAME

摘要

There are provided a washing solution for an ink jet head, the washing solution restoring a print head, which has experienced problems such as clogging, to its normal condition, a method for producing the washing solution, and a washing method. The washing solution comprises 80% by weight or more of water and 1.0% by weight or less of a substance (having a viscosity of 10 mPas or more at 25° C.) and/or a solid substance and has a viscosity between 0.6 and 3.0 mPas at 25° C. and an electroconductivity of 3×10^−2 S/m or less at 25° C.