Printronix t8000 Administrator's Manual page 324

Thermal Transfer Media
Thermal Transfer Printing
Transmissive Sensing
324
element.
Media specifically designed to work with a ribbon for
image transfer. In Thermal Transfer mode, compatibility
between the ribbon and the media is critical in
producing a high quality, long lasting image.
A printing method in which the printhead presses a
specially coated ribbon against the media. The
printhead elements react with the ribbon and bond the
image to the media.
Use of the upper media sensor to transmit infrared light
through the top of media which is then received by the
lower media sensor to detect gaps, holes, or notches
for determining the Top-of-Form position on labels or
for indicating a Paper Out condition.