… calibrating your prepress dept to the press involves a complex process of running test forms on the press on multiple different types of stock, and making adjustments in the prepress dept so that the plates that are output are calibrated to deliver the desired images off the press when running the press up to a set standard of densities. These densities should be repeatable from job to job and if the calibration is done correctly will result in more than just a faster makeready, but also more stable color during the course of the run, less waste, and less (other) problems…