Exposure profiles from laser sources having finite response times

Abstract

Raster scanners, and printing machines which use raster scanners, that include compensation for the finite response times of their lasers and their laser drive signals on image edges. When an image pixel is not an image edge the laser driver is driven in synchronization with a master clock. However, if an image pixel is an edge of an image the laser driver is driven earlier than it would have been if it was driven in synchronization with the master clock. Beneficially, the drive to the laser driver is advanced such that the actual laser exposure curve crosses that of an ideal laser exposure curve such that the developed line edge is substantially ideal.

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