1) straighten both sides of the document stack.
2. fan the documents
1) take the stack of documents with thickness of 15mm to 20mm.
2) hold both ends and bend the documents into an arch.
3) firmly holding the document with both hands, bend back the document as follows so that the bent section rises up in the middle of the document as follows.
4) repeat steps 1) to 3) for a few times.
5) rotate the document 90 degrees, and fan again.
3. load the documents on the hopper.
place the documents face-up on the hopper table.
4. adjust the side guides to the document width.
pressing the lock lever, slide the side guides so that they touch the document sides. if there is a clearance between the document edges and the guides, the scanned image may be skewed.
1 make sure that the document stack is below the maximum height mark on the inside of the side guides.
2 for loading long documents, extend the hopper extension.
3 do not load documents consisting of different sizes.
5. start up the scanner application and scan the documents.
for the details on how to scan using scandall 21, refer to the section "1.8 scanning documents."