Thermal transfer printers utilize a thermal print-head to apply heat to a wax or resin-based ribbon. The ribbon ink is absorbed into the label material, creating a durable image that is ideal for applications requiring a longer-than-average shelf life.
Direct thermal printers use a thermal print-head as well, but do not require a printing ribbon. Instead, the chemically treated label material blackens when it comes into contact with the hot print-head, creating your image without the need for ink, ribbons, or toner. The resulting print is less durable, however, it's ideal for short shelf life applications.
Unlike their thermal counterparts, inkjet roll printers function much like traditional inkjet desktop printers. Ink cartridges dispense ink in the appropriate combinations onto your paper creating full-color images.
Learn more about the differences between direct thermal and thermal transfer printing or why you should go with an inkjet roll printer.