The Development of a System that Can Automate Printing Skills Using Digital Data for Wet Offset Presses

摘要

Historically, it has been difficult to scan an entire sheet in sheet fed printers. TrueFit Advance is a system that features a new design including an inline sensor that simultaneously scans both the color densities of points scattered throughout the image and a special patch that is designed to determine dampening water levels. TrueFit Advance can control the ink levels in real time, according to the ink density levels it detects in the image. TrueFit Advance can also be used to control ink levels using solid density patches in traditional control strips. Since TrueFit Advance can monitor dampening water levels using the special dampening water patch, if the operator sets an optimum dampening water value, it can be used to control the dampening water levels and maintain the specified printing conditions during printing. Its inline scanning enables TrueFit Advance to constantly monitor ink and dampening water levels. It also handles ink presets for upcoming jobs with great precision, enabling faster make-ready times when changing from one job to another.