Printronix t8000 Administrator's Manual page 323

PGL
Port
Protocol
RAM
Reflective Sensing
Resolution
Roll Media
Advanced Notch:
Gap/Mark Sensor = Mark:
SD Card
Slew
Stop Bits
Intelligent Graphics Printing software for the
Printronix Graphics Language, designated for
Printronix printers. PGL provides online forms,
barcodes, and many alphanumeric text-generation
capabilities and is compatible with earlier versions
of Printronix PGL protocol and programming.
A data channel used for receiving data from or
transmitting data to one or more external devices.
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.
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.
Use of the lower media sensor only to transmit and
receive infrared light off the underside of media to detect
gaps, notches, holes, or horizontal black marks used for
determining the Top-of-Form position on labels or for
indicating a Paper Out condition.
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.
Media supplied in a roll format, usually wound on a 1-inch
or 3-inch cardboard core. The T8000 media hanger
assembly accepts both core sizes.
The Sensed Distance value is the physical length of
one label plus the length of one gap.
The Sensed Distance value is the physical distance
from the leading edge of one black mark to the
leading edge of the next.
A small removable device used to store data. The SD
Card is used for fonts purchased from Printronix and
the QCMC (Quick Change Memory Card) option.
Vertical paper movement.
The signal which indicates the end of a character or
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