Patent ID: 6692102
Filing Date: 2004-02-17
Classification: B41J

Abstract:
In a printing device having a frame which defines therein X, Y, and Z operative, orthogonal axes, plural-site, Z-axis datuming structure operatively interposed between a printhead assembly and a carriage supporting that assembly within the device, the Z-axis datuming structure comprising:first and second, spaced reaction sites, located toward a positive Y end of the printhead assembly, and furnishing a negative Z-direction reaction force against the printhead assembly, third and fourth, spaced reaction sites, located toward a negative Y end of the printhead assembly, and furnishing a positive Z-direction reaction force against the printhead assembly, and fifth and sixth, spaced reaction sites, located intermediate the first and second sites and the third and fourth sites, and furnishing a compressive, compliant, positive Z-direction reaction force against the printhead assembly.