Printronix T4204 - Manual (Page 222)

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E Glossary
Port A data channel used for receiving data from or
transmitting data to one or more external devices.
Protocol The rules and conventions that govern
communication between a printer and a host
computer. A protocol includes codes for printing text
and graphics and codes instructing the printer to
perform special operations.
RAM Random-Access Memory. Also called "main
memory" or "working memory". It is the active
memory of the printer, into which programs are
loaded. RAM is saved to volatile memory because
data in RAM is lost when power is turned off or
interrupted.
Resolution A measure expressing the number of component
units in a given range used to create an image; in
printing, expressed as the number of dots per inch
(dpi) horizontally and vertically.
Roll Media Media supplied in a roll format, usually wound on a 1
inch or 3 inch cardboard core. The T4204 media
support assembly accepts both core sizes.
Slew Rapid vertical paper movement.
Stop Bits The signal which indicates the end of a character or
element.
Thermal Transfer Media 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.
Thermal Transfer Printing 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.
Twinax Twinaxial. A type of cable with two wires surrounded
by insulation and a braided shield.