Canon imageFORMULA CR-80 Instructions Manual

Also see for imageFORMULA CR-50: Installation guide Operation & maintenance guide

Canon imageFORMULA CR-80 Instructions Manual Manual pdf 34 page image

34NOTE• Note that mixing documents of different thickness may cause amalfunction during feeding.• Curled, wrinkled, or folded documents may cause an error. If this happens,straighten out the curls, or reduce the number of documents loaded.Using Infrared Double Feed DetectionThe double feed detection function that the scanner is equipped withuses the infrared sensor to detect when two or more documents are fedat the same time.If false detections happen too often, disable the double feed detectionfunction.NOTE• When Using the Accompanying Scanning Utility for CR-50/80:You can disable the double feed detection function from [ScannerSetting] in the Scanning Utility.• For more details about how to configure scanning parameters, click the[Help] button in the settings dialog box to view the Canon driver help.IMPORTANT• The following types of document may be misdetected as double fed:• Documents with a colored background• Documents with a glossy finishIf misdetection of double feeds occurs often, turn off double feeddetection.• Double feed detection is valid for documents with a thickness within therange 0.10 mm to 0.14 mm (0.004" to 0.006"). Double feeds cannot bedetected for thicker or thinner documents.Wrinkled or creasedpaperCarbon backedpaperCurled paperTorn paperPaper with clips orstaplesCoated paper or faxrecording paperExtremely thin paperPaper with bindingholes