Canon 220P Instruction Manual - Page 123
Double feed detection by Ultrasonic Only, Available with the ScanFront 220P
UPC - 013803085167
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Detailed Settings Press the [Detailed settings] button to open the Detailed Settings screen. Chapter 6 Operating Procedures Double feed detection by length The scanner detects by document length when two or more documents are fed together, and stops feeding when a double feed is detected. IMPORTANT • Using the length of the first page of the document as a reference, the scanner determines a double feed when it detects a document with a length at least 35 mm longer or shorter than the reference length. • Set [Double feed detection by length] to [OFF] when scanning a document that contains pages of different lengths. Skip Blank Page Double feed detection by Ultrasonic (Only Available with the ScanFront 220P) The scanner uses an ultrasonic sensor to detect when two or more documents are fed together, and stops feeding when a double feed is detected. IMPORTANT • This method is effective when documents overlap by 50 mm or more. It does not function if only a slight portion of the document is overlapping. • When using the ScanFront 220, the [Double feed detection by Ultrasonic] setting is set to [OFF]. When [Skip Blank Page] is selected in the scanning side settings, this setting is enabled, and you can adjust the sensitivity level for skipping blank pages. Hint • The initial value for the Skip Blank Page option is set to "90." • As you lower the value from the default setting, pages of the document with text become more likely to be skipped as well. • As you raise the value from the default setting, pages of the document that are blank become less likely to be skipped. 6-25