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A-61510 January 2005 1-3
Image outputs
i800 Series Scanners can return bi-tonal, grayscale or color images to
the host. Below is a description of the valid combinations.
All i800 Scanners are duplex scanners. This means both the front and
the rear side of each document may be captured. For each side
captured, the scanner creates a bi-tonal/binary only (i810/i830) or a
bi-tonal/binary and color/grayscale (i820/i840) image. The host
application controls which of these images is transferred to the host to
be stored as an image file. For example, for an i840 Scanner if all four
images are returned to the host, the following four files could be created:
• Front bi-tonal/binary: FB.tif. This image file represents the
contents of the front side of the document using one-bit per pixel.
• Front color: FC.jpg. This image file represents the contents of the
front side of the document using 24-bits per pixel.
• Rear bi-tonal/binary: RB.tif. This image file represents the contents
of the rear side of the document using one-bit per pixel.
• Rear color: RC.jpg. This image file represents the contents of the
rear side of the document using 24-bits per pixel.
NOTE: Actual file formats are determined by the host application.
Through the application these image files can be controlled
independently.
FB.tif (front bi-tonal) FC.jpg (front color) RB.tif (rear bi-tonal) RC.jpg (rear color)