A cut-processing apparatus generates tool move control data to reciprocate the tool, and sheet feed control data to feed the sheet; stores an amount of tool move loss due to backlash in the carriage gear train occurring at tool move direction shift, and an amount of sheet feed loss due to backlash in the sheet feed gear train occurring at sheet feed direction shift; and corrects the tool move control data based on the stored amount of tool move loss at tool move direction shift, and the sheet feed control data based on the stored amount of sheet feed loss at sheet feed direction shift.