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Print Pitch Defines the number of characters that can be printed in
one inch. It can be translated into the width of the
character.
Printer Configuration The operating properties that define how the printer
responds to signals and commands received from the
host computer. These properties are set to match the
operatingcharacteristics of the host computer system.
Printer Interface The point where the data line from the host computer
plugs into the printer.
Protocol Aset of r ules or conventions governing the exchange of
information between computer systems. For computer
printers, a protocol is the coding convention used to
convey and print data. A printer protocol includes
character codes, printer function codes, and machine-
to-machine communication codes.
RRAM Random-Access Memory. Also called “main memory”
or “working memory,” this is the active memory of a
printer, into which programs are loaded. RAM is said to
be volatile because data in RAM are lost when power is
turned off or interrupted.
Compare with
ROM.
Read Toretrieve data from memory or mass storag e (hard
disk,floppydiskette,RAM,etc.).
Reset To turn off, deactivate, disable, or return to a previous
state.
Resolution Ameasure 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)
horizontallyand vertically.
ROM Read-OnlyMemory. Progr ams, instructions, and
routines permanently stored in the printer. ROM is not
lost when power is turned off and cannot be written to-
hence the name “read only.” ROM-resident fonts are
permanently stored in a printer and available at any
time via software commands.
Comparewith
RAM.