Ricoh IS450 operating instructions When Scanning Does not Start, Item to check Action

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5. Troubleshooting

When Scanning Does not Start

If scanning does not start, check the following:

Item to check	Action

Is the power on?	Turn on the power.
Is the SCSI ID set properly?	If there are any other SCSI devices
	connected, the host computer may not be
	able to recognize the scanner if it has the
	same SCSI ID as another device. Refer to
	P.11, “Setting the SCSI ID,” and set a
	unique SCSI ID for the scanner.
Are the DIP switches set properly?	The correct DIP switch settings depend on
	whether this scanner is the last device in the
	SCSI daisy chain. Refer to P.11,
	“Connecting the SCSI Cable,” and set the
	DIP switches properly.

Are the SCSI cables connected securey?	If any cables are disconnected, connect
	them.

Are the indicators on or flashing?	The nature of an error can be determined
	according to the pattern in which the four
	indicators are on or flashing. Refer to P.28,
	“Error Indicators and Solutions.”

Is the scanner driver selected properly?	For details on scanner driver setup, refer to
	the manual or help information for your
	scanner driver.

Are the software settings correct?	For details on software settings, refer to the
	manual or help information for your
	software.

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Contents Image Scanner Introduction Copyright Declaration of Conformity Examples of Indications Safety InformationSafety During Operation Safety Information Iii Important Information Important InformationImportant Information How to Read This Manual How to Read This ManualLimitation ReferenceTable of Contents General Scanning Method Manual Scanning Setting OriginalsOriginals Specifications MaintenanceDIP Switches Functions OptionsPage Introduction FeaturesIntroduction Space-saving designGuide to the Scanner Rotary Switch Power ConnectorScsi Connector DIP SwitchesDescription Understanding the IndicatorsIntroduction Checking the Scanner Location Preparing for InstallationSetup location Installation environment Important Setting up the Scanner Installation spaceUsable range Recommended range What is SCSI? Connecting to the Host ComputerSetting up the Scanner Scsi Connection Require Ments for the ScannerConnecting to the Host Computer Setting the Scsi IDConnecting the Scsi Cable No Connection to Other Port 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 Off the Scanner Power Turning On/Off the Scanner PowerTurning On the Scanner Power Initializing the Scanner Originals Recommended Sizes and Weights of OriginalsDifficult to Detect Sizes Contact glass Auto Document Feeder ADF Original Sizes and Scanning AreaOriginals Original sizes that can be detected automatically Setting the Original on the Contact Glass Setting OriginalsAlign the originals on the ADF Setting the Original in the Auto Document Feeder ADFSimplex scanning Duplex scanning Guides Make sure the Auto Document Feeder ADF is closed Setting Originals General Scanning Method Scanning OriginalsScanning Originals Manual ScanningItem to check Action When Scanning Does not StartDescription of error Action Error Indicators and SolutionsTroubleshooting When an Original is Jammed in the Auto Document Feeder ADF Procedures to Correct Errors in the ADFReplacing the Ink Ribbon Do not pull on the Endorser’s cord Cleaning the Endorser Cleaning the Scanner MaintenanceAppendices Cleaning the Feed Roller and DrumMaintenance Cleaning the White Roller Duplex Model Only Maintenance Moving the Scanner Carrying the Scanner a Short Distance Disposing of the ScannerRed Lamp Unit Type a OptionsImage Processing Unit Type a Endorser Unit Type a Printing Function Scanner Electrical and Hardware Specifications SpecificationsDIP Switches Preview FunctionsScanning Composition ScanBinary scanning Halftone scanningBinary Scanning/Threshold Standard modeDynamic threshold mode Halftone Scanning Gray Scale Scanning Area Extraction Section Area Multi-area Settings Auto Photo/Letter Resolution Contrast BrightnessGamma Correction Parameter Download Binary FiltersNoise removal SmoothingDocument Size Detection in the Auto Document Feeder ADF Document Size DetectionDocument Size Detection on the Contact Glass Erase Background When Erase Background is disabledWhen Erase Background is enabled Index DIP Switch 10, 27Red Lamp Unit Appendices