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A741 54 Print Server Manual
Compression
A technique used to reduce the storage space of a graphic image. Uncompressed bitmaps can
consume considerable storage space. Due to their nature, bitmaps allow a high degree of
compression, ranging from 4:1 to 25:1, depending on the actual image itself.
Contrast
The difference between light and dark elements in a picture. More contrast means a larger range
between light and dark.
De-skew
Software action to correct skew in scanned images. (horizontal lines become horizontal again, the
same is true for vertical lines).
De-speckle
Scanned images frequently contain 'noise'. De-speckling is a software technique to remove the
black speckles (spots) on a white background or white speckles on a black background.
Developer
A chemical agent in printers and copiers which is needed to transfer toner to the drum
DOS
Also known as Disk Operating System. A piece of software that enables the computer to interact
with Application software
Downloadable fonts
Additional fonts which must be downloaded from the PC to the printer every time
DPI
The number of dots that the laser printer is able to place in a square inch. The higher this
number, the better the print quality
Drum
A cylinder shaped part in printers and copiers which is used to transfer the image to the paper. By
means of an electromagnetic process, toner is attracted to the drum which in turn is used to
“print” the image onto the sheets of paper.
Duplex
The ability of a copier/printer to copy/print on both sides of a sheet of paper. Duplexing can be
done by manually re-feeding the paper or by a duplex unit, which automatically reverses the
sheet of paper.
Emulation
A license free copy of a popular printer language
Ethernet
Network standard that was developed by Xerox. (One of the two major network standards, the
other being Token-Ring)
Ethertalk
A network protocol from Apple, used on Macintosh systems
FAQ
The abbreviation for "Frequently Asked Questions"