Glossary
139
Glossary
DHCP
A Dynamic Host Configuration Protocol (DHCP) is a client-server networking
protocol. A DHCP server provides configuration parameters specific to the DHCP
client host requesting, generally, information required by the client host to
participate on an IP network. DHCP also provides a mechanism for allocation of IP
addresses to client hosts.
DIMM
Dual Inline Memory Module (DIMM), a small circuit board that holds memory. DIMM
stores all the data within the machine like printing data, received fax data.
DLNA
The Digital Living Network Alliance (DLNA) is a standard that allows devices on a
home network to share information with each other across the network.
DNS
The Domain Name Server (DNS) is a system that stores information associated with
domain names in a distributed database on networks, such as the Internet.
Dot Matrix Printer
A dot matrix printer refers to a type of computer printer with a print head that runs
back and forth on the page and prints by impact, striking an ink-soaked cloth ribbon
against the paper, much like a typewriter.
DPI
Dots Per Inch (DPI) is a measurement of resolution that is used for scanning and
printing. Generally, higher DPI results in a higher resolution, more visible detail in the
image, and a larger file size.
DRPD
Distinctive Ring Pattern Detection. Distinctive Ring is a telephone company service
which enables a user to use a single telephone line to answer several different
telephone numbers.
Duplex
A mechanism that will automatically turn over a sheet of paper so that the machine
can print (or scan) on both sides of the paper. A printer equipped with a Duplex Unit
can print on both sides of paper during one print cycle.
Duty Cycle
Duty cycle is the page quantity which does not affect printer performance for a
month. Generally the printer has the lifespan limitation such as pages per year. The
lifespan means the average capacity of print-outs, usually within the warranty
period. For example, if the duty cycle is 48,000 pages per month assuming 20
working days, a printer limits 2,400 pages a day.
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General
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