Glossary
109
Appendix
Glossary
Contents
TOP
How to Load
Documents
How to Use the
Operator Panel
Various Ways to
Scan
Daily Care
Troubleshooting
Operational
Settings
Replacing the
Consumables
Scanner
Overview
Index
Introduction
Driver
A program specifically designed for operating systems, which enables interaction with a hardware device.
Dropout color
A function which removes a specified color from a scanned image.
Duplex scanning mode
A mode for scanning both sides of the document at once. ( Simplex scanning mode)
E
Edge extract
A function that traces the boundaries between white and black areas to extract contours.
Edge processing
A function which decreases the density of bright colors (except for white) around black areas. Increasing the value for this
function removes dotted image noise and also produces “softened” images.
Eject roller
Rollers that feed documents from the ADF onto the stacker.
Error diffusion
Method of halftone (pseudo-grayscale) image processing which is based on black & white pixel binarization. It sums the
optical density of a pixel and its adjacent pixels, then relocates black pixels in the order of density to minimize the difference
between scanned and output images. By diffusing the errors onto other pixels, the density data of adjacent pixels can be
binarized. This function suppresses moire patterns of dotted halftone images such as newspapers, and reproduces its
grayscale gradation.
F
Feed roller
A roller that feeds a document through the ADF.
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