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Multi-Feed Detector
For use with the:
Document Scanner 9500
Document Scanner/Microimager 990
Kodak Imagelink Scanners 900 and 923
Kodak Imagelink Microimager 70
User’s
Guide
A-61120
Part No. 1E8110
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Using the Multi-Feed Detector The Kodak Digital Science Multi-Feed Detector aids in document Introduction processing by detecting documents that may go through the feeder one on top of the other. Multi-feeds can easily happen due to damp documents, adhesives on documents, electrostatically charged documents, or a maladjusted feeder gap. The Multi-Feed Detector is an accessory on the following models: • Kodak Digital Science Scanner 9500 (S or D) • Kodak Digital Science Scanner/Microimager 990 (S
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• Labels should be placed on the documents so they do not pass under the thickness sensor. If the labels on the document will pass under the thickness sensor, they must be less than or equal to ½-inch in length and spaced greater than 1 inch. They must be placed 2 inches or more from the trail and lead edges of a document. The Multi-Feed Detector is controlled by two buttons located to the Enabling/disabling the left of the document output tray as you are facing the machine. Multi-Feed Detector
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F72 Skew/Double Detection On/Off — allows you to use a function code to enable and disable the system. The lights do not change. When a multi-feed is detected, both buttons illuminate. Depending upon the scanner or scanner/microimager firmware and how the unit is configured, one of the following messages will be displayed: • • • • MCP Version 8.40 or greater displays the following message: E204 Skewed/Double document - refeed E107 Warning Skewed/Double document - refeed • • • • Versions less tha
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When the Multi-Feed Detector is enabled, the scanner is Operating the scanner continuously checking documents for multi-feeds when the transport with the Multi-Feed is running. When a multi-fed document is encountered, an error will be reported. The scanner will report a document as a true multi-fed Detector enabled document if it overlaps another document by ¾ of an inch or more. When a multi-feed is detected, one of the following errors will occur (depending upon how the scanner is configured)
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Under normal circumstances, you should not need to adjust the Retracting the thickness sensor manually. However, if you are feeding documents thickness sensor of mixed thickness or lightweight documents, you may need to manually retract the thickness sensor. To do this: 1. Open the front cover of the scanner. 2. Release the feeder latch and lift the top of the feeder upward. 3. Press the extended portion of the sensor in until it snaps up into the retracted position. NOTE: The Multi-Feed sensor
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5. Close the front cover. 6. If desired, calibrate and re-enable the Multi-Feed Detector. See the section entitled, “Calibrating the Multi-Feed Detector” for more information. Error recovery methods are required when a multi-feed has been Error recovery detected. The two methods described below meet the needs of most users. However, other methods may be used. IMPORTANT: For scanners: Before beginning error recovery, make sure all images and headers have been transferred from the image buffer to
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Use the Batch/Offline method when your primary concern is efficient Batch/offline method use of time, duplicates in the database do not represent a problem, and there is adequate space in the scanned image database or film roll for the duplicate images (same images with different sequential ID numbers and image addresses.) Follow these steps to use the Batch/Offline method: 1. Remove the stack of successfully scanned documents from the exit hopper. 2. Take the last three or four documents from t
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Both Multi-Feed Detector buttons are not constantly illuminated: Condition Cause Skewed document, not a Encountered a skewed document. multi-feed • • • • Press the green Run button to continue. Calibration — both lights Document feed missed the sensor during calibration. continue to flash • • • • Refeed the document so it passes under the sensor to complete the calibration. 8 A-61120 March 1999
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EASTMAN KODAK COMPANY Document Imaging Rochester, New York 14650 Kodak, Imagelink, Digital Science and the ds monogram symbol are trademarks of Eastman Kodak Company. Printed on recycled paper. DOCUMENT IMAGING A-61120 3/99 ©Eastman Kodak Company, 1999 Printed in U.S.A.
