User’s Manual4-21ScanSourceChoice: Auto Document Feeder: Used to scanmultiple pages. Flatbed: Used to scan a single page. Forexample, pages from newspaper clipping,paper with wrinkles or curls. Flatbed (book): Used to scan severalinside pages from book. Automatic: Allow the scannerautomatically set its scan source. IfAutomatic is selected and there isdocument in both the auto documentfeeder (ADF) and the flatbed, then the scansource will be automatically set to ADF. IfAutomatic is selected and there isdocument only in flatbed, then the scansource will be set to flatbed. Merge Two Sides into One Image:If you have a sheet-fed duplex scannerwith front input tray, you can scan an A3size document with an innovative method.Thus, fold your A3 size document into A4,and then load the paper in the front tray.Choose Merge Two Sides from the ScanSource option and then the scanner is ableto scan both sides of your document andmerge two A4 images into one A3 image.When you select Merge Two Sides into OneImage, the Cropping or Multi-feed functionwill be disabled.Note: This feature must be used with acarrier sheet. Regarding how to load adocument with a Carrier Sheet, refer toSection 4.6.2, Other Paper Selection. Theoptions vary based on type of scanner.