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Glossary
monochrome
Printing with only one color of ink, usually black.
nozzle
Fine tubes in the print head through which ink is sprayed on the page. Print
quality may decline if the print head nozzles are clogged.
operation check
A method for checking the operation of the printer. When you perform a printer
operation check, the printer prints the ROM version, code page, ink counter code,
and a nozzle check pattern.
parallel interface
See interface.
port
An interface channel through which data is transmitted between devices.
printable area
The area of a page on which the printer can print. It is smaller than the physical
sizeofthepageduetomargins.
printer driver
A software program that sends commands for using the features of a particular
printer. Often shortened to “driver”.
print queue
If your printer is connected to a network, print jobs that are sent to the printer
while it is busy are stored in a waiting line, or print queue, until they can be
printed.
RAM
Random Access Memory. The portion of the printer's memory used as a buffer
and for storing user-defined characters. All data stored in RAM is lost when the
printer is turned off.
reset
To return a printer to its defaults by turning the printer off and then back on.
resolution
The number of dots per inch used to represent an image.
ROM
Read Only Memory. A portion of memory that can only be read and cannot be
used for data storage. ROM retains its contents when you turn off the printer.
RGB
Red, green, and blue. These colors, in phosphors irradiated by a cathode ray tube
(CRT) monitor's electron gun, are used to create the additive array of screen
colors.
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