Binary Filters, Parameter Download, Noise removal | Ricoh IS450

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.

When filter is not used

When filter is used

❖Smoothing

This filter is used to smooth out small bumps within an image.

When filter is not used

When filter is used

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.

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Ricoh IS450 operating instructions Binary Filters, Parameter Download, Noise removal, Smoothing

Contents

Image Scanner Introduction Copyright Declaration of Conformity Safety Information Safety During OperationExamples of Indications Safety Information Iii Important Information Important Information Important Information How to Read This Manual How to Read This ManualLimitation Reference Table of Contents Setting Originals OriginalsGeneral Scanning Method Manual Scanning Specifications MaintenanceDIP Switches Functions OptionsPage Introduction Features Introduction Space-saving design Guide to the Scanner Rotary Switch Power ConnectorScsi Connector DIP Switches Description Understanding the Indicators Introduction Preparing for Installation Setup locationChecking the Scanner Location Installation environment Important Setting up the Scanner Installation space Usable range Recommended range What is SCSI? Connecting to the Host ComputerSetting up the Scanner Scsi Connection Require Ments for the Scanner Setting the Scsi ID Connecting the Scsi Cable No Connection to Other PortConnecting to the Host Computer Connecting the Scsi Cable Connection to Other Port Connecting the Power Cable Plug the other end of the power cable into the power outlet Turning On/Off the Scanner Power Turning On the Scanner PowerTurning Off the Scanner Power Initializing the Scanner Originals Recommended Sizes and Weights of Originals Difficult to Detect Sizes Original Sizes and Scanning Area Originals Original sizes that can be detected automaticallyContact glass Auto Document Feeder ADF Setting the Original on the Contact Glass Setting Originals Align the originals on the ADF Setting the Original in the Auto Document Feeder ADF Simplex scanning Duplex scanning Guides Make sure the Auto Document Feeder ADF is closed Setting Originals General Scanning Method Scanning Originals Scanning Originals Manual Scanning Item to check Action When Scanning Does not Start Error Indicators and Solutions TroubleshootingDescription of error Action When an Original is Jammed in the Auto Document Feeder ADF Procedures to Correct Errors in the ADF Replacing the Ink Ribbon Do not pull on the Endorser’s cord Cleaning the Endorser Cleaning the Scanner Maintenance Appendices Cleaning the Feed Roller and Drum Maintenance Cleaning the White Roller Duplex Model Only Maintenance Moving the Scanner Carrying the Scanner a Short Distance Disposing of the Scanner Options Image Processing Unit Type aRed Lamp Unit Type a Endorser Unit Type a Printing Function Scanner Electrical and Hardware Specifications Specifications DIP Switches Preview Functions Scanning Composition ScanBinary scanning Halftone scanning Standard mode Dynamic threshold modeBinary Scanning/Threshold Halftone Scanning Gray Scale Scanning Area Extraction Section Area Multi-area Settings Auto Photo/Letter Resolution Contrast Brightness Gamma Correction Parameter Download Binary FiltersNoise removal Smoothing Document Size Detection Document Size Detection on the Contact GlassDocument Size Detection in the Auto Document Feeder ADF When Erase Background is disabled When Erase Background is enabledErase Background Index DIP Switch 10, 27 Red Lamp Unit Appendices