Glossary
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Brightness
Refers to the brightness of a scanned image.
C
Carrier Sheet
A transparent plastic sheet designed for scanning documents that are larger than A4/ Letter size.
CCD (Charge-Coupled Device) Image Sensor
A sensor which perceives the light reflected from the document and converts it into digital form. CCD technology is the basis
of high quality image acquisition in scanners, cameras and other devices.
D
Default setting
(Hardware)
Preset values from the factory.
(Software)
Values set upon installation of software.
Density
Refers to the deepness of a color in an image.
Device Errors
Errors that require troubleshooting by a service engineer.
Dither
The process by which a group of dots is arranged to reproduce the density of grayscale. Grayscale density is reproduced by
configuring preset dot patterns. This method requires less memory compared to multilevel gray.
Document sensor
Paper feeding errors such as multifeed and paper jam are detected by monitoring the passing of documents.
