Ricoh A741 manual Dos, Dpi, Faq

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"

A741 54 Print Server Manual