Xerox 4520 User Manual page 299

Radio button A type of feature selection device found in the
RUI and SMS Client Software. The radio button is used for
selecting one option among a group of mutually exclusive
options.
RAM Random Access Memory—read and write memory. This
is commonly referred to as just "memory." RAM is available
on RAM chips and holds information that is used by the
printer. The information may be discarded at the end of a
print job, when you exit an application, or when the printer is
reset, depending on what kind of information it is: incoming
data for printing, downloaded soft fonts or printer macros for
the current PDL.
Reset To restore the printer to all or some of its default
settings.
ROM Read-Only Memory.
RPRINTER emulation Software run on a client PC (connect to
a network-indirect printer) or a Xerox network interface card
that identifies the printer as a remote printer.
RUI Remote User Interface. The RUI is a DS/P component
that runs on a PC and allows the user to select printer settings
from the PC rather than at the printer's Control Panel.
Scalable fonts Fonts described by formulae that produce a
font outline. The formulae can be used to scale the font up or
down (by point size).
SDF See Standard Data File.
Serial port A type of port in which data is transmitted and
received in bits rather than bytes. Typically used for printing
over longer distances.
Server A special-purpose computer system (typically a PC
using a 80386 or 80486 CPU, or another processor based on
G l o s s a r y GL-11