Hewlett-Packard Development Company, L.p.

Noam Meyuhas

Guy Nesher

Eviatar Golan

An example apparatus for determining dryness of an agent on print media includes an infrared prism, a source of infrared radiation to direct infrared radiation into the infrared prism, and a detector. The infrared prism includes a surface, the surface having an outer side to contact a portion of the agent on the print media, the infrared prism having a refractive index that is higher than a refractive index of the agent. The source of infrared radiation is to direct infrared radiation into the infrared prism and onto an inner side of the surface. The detector is to generate a signal based on infrared radiation reflected by the inner side of the surface to indicate the dryness of the portion of the agent.

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Ness Ziona, Israel

Noam Meyuhas