Dymo® LabelWriter® 450 is a direct thermal printer and does not need to use ink or toner. Instead, the printer uses heat from a thermal print head to print on specially treated, heat-sensitive labels.
Requires a USB 1.1 or USB 2.0 connection with one of the following: • Windows XP 32-bit • Windows 7
To use the LabelWriter® SE450 printer with a serial connection, an RS-232 serial port is required.