Importance

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Abstract

A substrate guide and tensioning apparatus utilized with a printing system ensures the substrate does not flex or curl during printing to eliminate color mismatch among printed pixels. The printing system includes a scanner, a graphics computer, and a printer. The scanner optically scans an image and reduces it to a series of pixels represented in gray scale. After the scanner finishes converting the image into pixels, the graphics computer converts the gray scale representations of each pixel into a pixel conveying uniform density color information. The graphics computer then outputs the uniform density pixels to a print control system of the printer. The print control system receives the uniform density pixels and controls a printhead to print a reproduction of the image on a substrate suspended within the printer. Alternatively, the print control system controls a pair of printheads positioned on opposite sides of the substrate suspended within the printer to print a reproduction of the image on one side of the substrate and a mirror of the image on the opposite side of the substrate such that the images are in registry.

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First Claim