Digital Color Printing — Ink-jet in Line for Takeoff

The ink-jet imaging process is simple and direct compared to xerography, also known as EP, but has its own challenges, adds Peter Crean, senior fellow at Xerox Corp. The issues include drying (on the substrate and not in the nozzle), a tendency to produce “pattern errors” in output, no tolerance for failure in any of the thousands of systems in a print head, and interactions between ink and paper that are complex and unpredictable.