Ricoh IS450 - Manual (Page 69)

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Functions
Binary Filters
The following two filters can be used for binary scanning.
❖ ❖ ❖ ❖ ❖ Noise removal
This filter used to eliminate the unnecessary small dots that appear when scanning an original
that is the result of several generations of photocopying.
❖ ❖ ❖ ❖ ❖ Smoothing
This filter is used to smooth out small bumps within an image.
Note
❒ This function is valid only when the optional Image Processing Unit Type A is installed.
Parameter Download
This function allows a user to download user-created gamma curves and halftone patterns to the
scanner.
The details of how to download the data depends on the software being used.
When filter is not used When filter is used
When filter is not used When filter is used