Coverage
It is the printing term used for a toner usage measurement on printing. For example, 5% coverage means that an A4 sided
paper has about 5% image or text on it. So, if the paper or original has complicated images or lots of text on it, the coverage
will be higher and at the same time, a toner usage will be as much as the coverage.
CSV
Comma Separated Values (CSV). A type of le format, CSV is used to exchange data between disparate applications. The le
format, as it is used in Microsoft Excel, has become a de facto standard throughout the industry, even among non-Microsoft
platforms.
Default
The value or setting that is in eect when taking a printer out of its box state, reset, or initialized.
DHCP
A Dynamic Host Conguration Protocol (DHCP) is a client-server networking protocol. A DHCP server provides conguration
parameters specic 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 le size.
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 aect 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.
Emulation
An emulator duplicates the functions of one system with a dierent system, so that the second system behaves like the rst
system. Emulation focuses on exact reproduction of external behavior, which is in contrast to simulation, which concerns an
abstract model of the system being simulated, often considering its internal state.
Ethernet
Ethernet is a frame-based computer networking technology for local area networks (LANs). It denes wiring and signaling
for the physical layer, and frame formats and protocols for the media access control (MAC)/data link layer of the OSI model.
Ethernet is mostly standardized as IEEE 802.3. It has become the most widespread LAN technology in use during the 1990s
to the present.
180 Glossary ENWW
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