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Glossary
process black. See composite black.
proportionally spaced font. A font that varies the width
of the character to allow uniform spacing around
characters.
protocol. A set of rules governing the communication and
the transfer of data between two or more devices.
R
RAM. See random access memory.
random access memory (RAM). Memory that allows
rapid storage and retrieval of data. RAM contents are
erased when electrical power is turned off.
Ready. State of the printer in which it can receive, process,
and print data. Press the
Go
button to return the printer to
the ready state. When the printer is in the ready state, the
message
Ready
or the message
Power Saver
appears on the
operator panel display.
rear output bin. Output bin you attach to the back of the
printer. Allows for a straight paper path when feeding
from the multipurpose feeder.
rear paper guide. Sliding part at the back of the paper tray
that defines the proper placement of paper and
communicates to the printer the paper size loaded.
receive-only fax. A printer function possible if an optional
tri-port adapter is installed. You can set up the serial port
to receive faxes from a class 1 fax modem.
registration. The alignment of all layers of the four color
planes (cyan, magenta, yellow, and black) on the page.
See also calibration.
resolution. A measure of the sharpness of a printed
image, expressed in the number of dots per inch (dpi).
RGB. Abbreviation for red, green, and blue. See additive
color.