Glossary
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N
Noise removal
A function which improves the quality of an image by removing isolated noise that appear as black dots in a white area (or
vice versa).
O
OCR (Optical Character Recognition)
A device or a technology that recognizes the text on documents and converts them into text data that can be edited. The
shape of the characters are recognized by the differences in the light reflected off the documents.
Operating environment
Conditions (such as temperature and humidity) required to operate or store the scanner.
Operator panel
A panel that consists of a display and buttons. It is used for scanner operations such as selecting functions and changing
settings.
Overscan
A function that scans the document in a size larger than the specified paper size.
P
Paper jam
Refers to an error in which a document is jammed inside the paper path or feeding is interrupted by documents slipping.
Paper Protection
A function that stops a scan when the scanner detects a document that is unusually warped when documents are fed into
the scanner.
Patch code
A special code to let the scanner recognize the start and the end of each job or image mode.
