PROBLEM TO BE SOLVED: To appropriately perform control so that print operation is not stooped according to set print quality.;SOLUTION: A printer control device 10 that controls a printer 1 that includes an ink jet head unit 53 that has head arrays, in which three or more ink jet heads HD are aligned in a nozzle array extending direction. The printer control device includes: a quality setting section 110 for setting printing quality; an error detection section 140 for detecting an error of the ink jet heads HD; an instruction section 150 for instructing prohibition of use for the ink jet heads HD having the error; and a head control section 160 that, according to an instruction from the instruction section 150, causes the ink jet head unit to continue printing without using the designated head HD when the set printing quality is low quality setting, and to execute reprinting without using the designated head HD when the set printing quality is high quality setting.;SELECTED DRAWING: Figure 3;COPYRIGHT: (C)2019,JPO&INPIT
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