Sustainability is one of the hot topics of this decade. Latex inks are a great example of sustainable printing technology, but the energy used by the dryer can be optimized to reduce the consumption. Today most of the dryers use hot‐air, and the energy comes from resistors. The idea is to use a hybrid system to dry the Latex ink thermal energy that comes from hot water solar panels, with additional resistor‐based dryers used only as additional power source in case of cloudy or nightly working hours. The system can be centralized in a printing plant to serve a fleet of multiple printers, thru a solar panel array.
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INC, HP, "WATER-POWERED DRYER FOR LATEX PRINTERS", Technical Disclosure Commons, (September 18, 2022)