| http://www.w3.org/ns/prov#value | - In this case, it can be determined whether there is a need to change the waste ink absorption member 16 by comparing the counted cumulative number of times that ink clearing operation has been performed with the upper limit data F which, in this case, is determined to be ??? that of the upper limit data F used in the above-described case where the ink clearing operation is conducted independently
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