e view of a part assembly of a support profile and modified sealing shim which are alternatives to those shown in FIGS. 4 and 5; FIG. 19 is a perspective view showing a molding tool and illustrating the basic arrangement of die components for injection molding of the printhead carrier shown in FIGS. 6 and 7; FIG. 20 is a schematic cross-section of the injection molding tool shown in FIG. 19, in an