a back-up roller. After toner is transferred onto the paper, the fuser unit applies heat and pressure
to ensure that the toner stays on the paper permanently, which is why paper is warm when it
comes out of a laser printer.
Gateway
A connection between computer networks, or between a computer network and a telephone line. It
is very popular, as it is a computer or a network that allows access to another computer or
network.
Grayscale
A shades of gray that represent light and dark portions of an image when color images are
converted to grayscale; colors are represented by various shades of gray.
Halftone
An image type that simulates grayscale by varying the number of dots. Highly colored areas
consist of a large number of dots, while lighter areas consist of a smaller number of dots.
HDD
Hard Disk Drive (HDD), commonly referred to as a hard drive or hard disk, is a non-volatile
storage device which stores digitally-encoded data on rapidly rotating platters with magnetic
surfaces.
IEEE
The Institute of Electrical and Electronics Engineers (IEEE) is an international non-profit,
professional organization for the advancement of technology related to electricity.
IEEE 1284
The 1284 parallel port standard was developed by the Institute of Electrical and Electronics
Engineers (IEEE). The term "1284-B" refers to a specific connector type on the end of the parallel
cable that attaches to the peripheral (for example, a printer).
Intranet
A private network that uses Internet Protocols, network connectivity, and possibly the public
telecommunication system to securely share part of an organization's information or operations
with its employees. Sometimes the term refers only to the most visible service, the internal
website.
IP address
An Internet Protocol (IP) address is a unique number that devices use in order to identify and
communicate with each other on a network utilizing the Internet Protocol standard.
IPM
The Images Per Minute (IPM) is a way of measuring the speed of a printer. An IPM rate indicates
the number of single-sided sheets a printer can complete within one minute.
IPP
The Internet Printing Protocol (IPP) defines a standard protocol for printing as well as managing
print jobs, media size, resolution, and so forth. IPP can be used locally or over the Internet to
hundreds of printers, and also supports access control, authentication, and encryption, making it a
much more capable and secure printing solution than older ones.
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Glossary
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