Hopefully, you have heard that the Atkins Donut Probe was the only way to ensure proper curing of ink in the conveyor dryer. That’s right, the mythical stress test is just that, a myth. The Raygun measures ambient air temperature, not ink temperature. And, the temperature control strips only tell you the temperature of the strip itself, not the ink. In this article we discuss how the probe is the only method you want to use, and how to make it work well for you.