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A-61510 January 2005 2-6
Controlling image
transfer order
This section provides job stream examples which can be used in
scanning applications.
The host application is responsible for determining the order in
which the scanner returns images. Front images must always be
retrieved before rear images.
Bi-tonal only duplex
This job stream is available for all i800 Series Scanners.
1. Prepare documents.
2. Start the scanner to do bi-tonal duplex scanning (front bi-tonal
and rear bi-tonal).
3. Setup the scanner to retrieve bi-tonal images.
4. Enable the scanner and start polling.
Loop
Read front bi-tonal image header
Read bi-tonal image
Read rear bi-tonal image header
Read bi-tonal image
End loop
Color only duplex
This job stream is available for i820 and i840 Series Scanners.
1. Prepare documents.
2. Start the scanner to do color duplex scanning (front color and
rear color).
3. Setup the scanner to retrieve color images.
4. Enable the scanner and start polling.
Loop
Read front color image header
Read color image
Read rear color image header
Read color image
End loop