Introduction
Glossary
Appendix
Glossary
Index
Contents
TOP
157
How to Load
Documents
Scanner
Overview
How to Use the
Operator Panel
Various Ways to
Scan
Daily Care
Troubleshooting
Replacing the
Consumables
Operational
Settings
F
Feed roller
A roller that feeds the document through the ADF.
Filter
Refers to the following types of processing on a scanned image.
Digital Endorser:
Adds alphanumeric character strings on the scanned image data.
Page Edge Filler:
Fills in the margins of the scanned image in a specified color.
Flatbed
An input device of the scanner.
Used to scan documents that cannot be scanned in the ADF, such as books and magazines.
G
Gamma
A unit which indicates the changes in the brightness of an image. It is expressed as a function of the electric input power to
devices (e.g. scanner, display) and the brightness of the image. If the gamma rate is larger than 1, the brightness of an image
increases and vice versa.
Grayscale
A method that expresses the gradation (density) from black to white in 256 levels. Suitable for scanning images such as
photographs.
H
Halftone
Reproduces the color density in black & white by using dot patterns. This method is effective for scanning images such as
photographs in black & white.
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