Other models may be equipped with a TAD interface, which allows an answering machine to be connected to a fax machine. Talk Function Allows the operator to speak with the person at the remote unit either before or after a transmission or reception without disconnecting the phone line. Thermal Paper Chemically treated paper used in thermal fax machines. Thermal paper comes in rolls. Thermal Printer Uses heat from a printhead to darken letters and images to thermal paper which comes in rolls.
Thermal Transfer Incorporates the thermal printheads and an intermediary carbon ribbon.
When the ribbon is heated from the thermal print head, ink from the ribbon is fused onto the plain paper. Toner Plastic-carbon based substance that forms the image on the paper. It has the appearance of a dry powder. Turnaround Polling Allows the unit to send and receive documents on one phone call with the same remote unit. The remote unit must have the document in its feeder tray or in memory.