Abstract
The operating parameters required of a laser-scanning system to give optimum line and pixel reproduction are calculated. The shapes of isolated lines and pixels are predicted as a function of the output scanning parameters. Isophote maps for these lines and pixels are given for a sampling of scanning parameters. A sensitivity analysis demonstrates the effect of variations in laser power and variations in photoreceptor sensitivity. It is shown that laser-scanned xerographic systems are least sensitive to variations in laser power and to inhomogeneities in photoreceptor sensitivity when the system is operated in tight-focus conditions, i.e., the percent intensity at overlap is < or =50%.
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