. "FIGS. 21A to 21C show other examples of ink discharge head, wherein FIG. 21A is a plan view showing the state where heating resistors are arranged in parallel in carrying direction of recording paper, FIG. 21B is a plan view showing the state where three heating resistors are provided within ink chamber, and FIG. 21C is a plan view showing the state where four heating resistors are provided within" . . .