Ricoh ISO1 Operation Manual - Page 63

Dynamic threshold is available only when the optional Image Processing, Unit is installed.

Page 63 highlights

SCANNER FEATURES Dynamic threshold The scanned image is converted to binary using an appropriate threshold. The threshold is determined by the scanner using an optional image processing unit. Dynamic threshold Note:Dynamic threshold is available only when the optional Image Processing Unit is installed. A-5

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SCANNER FEATURES
A-5
Dynamic threshold
The scanned image is converted to binary using an appropriate threshold.
The threshold is determined by the scanner using an optional image
processing unit.
Note
:Dynamic threshold is available only when the optional Image Processing
Unit is installed.
Dynamic threshold