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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.