Samsung ProXpress C401 series User Manual page 219

MR
Modified Read (MR) is a compression method recommended by ITU-T T.4. MR encodes the first scanned line
using MH. The next line is compared to the first, the differences determined, and then the differences are
encoded and transmitted.
NetWare
A network operating system developed by Novell, Inc. It initially used cooperative multitasking to run various
services on a PC, and the network protocols were based on the archetypal Xerox XNS stack. Today NetWare
supports TCP/IP as well as IPX/SPX.
OPC
Organic Photo Conductor (OPC) is a mechanism that makes a virtual image for print using a laser beam emitted
from a laser printer, and it is usually green or rust colored and has a cylinder shape.
An imaging unit containing a drum slowly wears the drum surface by its usage in the printer, and it should be
replaced appropriately since it gets worn from contact with the cartridge development brush, cleaning mech-
anism, and paper.
Originals
The first example of something, such as a document, photograph or text, etc, which is copied, reproduced or
translated to produce others, but which is not itself copied or derived from something else.
OSI
Open Systems Interconnection (OSI) is a model developed by the International Organization for Standardiza-
tion (ISO) for communications. OSI offers a standard, modular approach to network design that divides the
required set of complex functions into manageable, self-contained, functional layers. The layers are, from top
to bottom, Application, Presentation, Session, Transport, Network, Data Link and Physical.
PABX
A private automatic branch exchange (PABX) is an automatic telephone switching system within a private
enterprise.
PCL
Printer Command Language (PCL) is a Page Description Language (PDL) developed by HP as a printer protocol
and has become an industry standard. Originally developed for early inkjet printers, PCL has been released in
varying levels for thermal, dot matrix printer, and laser printers.
PDF
Portable Document Format (PDF) is a proprietary file format developed by Adobe Systems for representing two
dimensional documents in a device independent and resolution independent format.
PostScript
PostScript (PS) is a page description language and programming language used primarily in the electronic and
desktop publishing areas. - that is run in an interpreter to generate an image.
Glossary | 219