Thermal printers for use with computers 009-6934

Thermal printers use heat applied to the pins of the matrix to form dots on heat-sensitive paper. In contrast, 3D printers are additive manufacturing machines that create or build three-dimensional solid objects by laying down successive layers of material, and thus, are classified as "machines" which is in the Class Heading for Class 7. Thermal printers is acceptable wording; further specification is acceptable, but it is not required.