Thermal printer has been tested and works! The Dymo LabelWriter 450 Thermal Label Writer Printer is a high-speed label maker that utilizes thermal print technology for crisp and clear black and white labels. With a print speed of more than 60 ppm and a memory capacity of 1 MB, this unit offers efficient label printing for various office tasks. The connectivity option through USB allows for easy operation and connectivity to other devices. This model, the Dymo LabelWriter 450, is a reliable choice for businesses and individuals looking to streamline their labeling process.