Konica Minolta Kodak i780 Image Processing Guide - Page 12

Jam and fault recovery, Image file storage locations

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Jam and fault recovery Image file storage locations This section provides recommendations for application logic associated with scanner jam and fault recovery. If your scanner is enabled and you are polling when a document jam or other fault occurs, use the following procedure to restart scanning. IMPORTANT: Before beginning fault recovery, make sure all the headers and images have been transferred from the image buffer to the host system. When a document jam or other fault occurs, the feeder and the transport will stop and the scanner will be disabled. 1. When all images have been retrieved from the scanner (image buffer empty), display the last image retrieved for operator viewing. 2. Use the image header of the last image retrieved to determine sequential counter. 3. Use the information above +1 to seed the sequential counter before re-enabling the scanner. 4. Instruct the operator to sort through the stack of documents being scanned to find the document that produced the last successfully scanned image. They must rescan all of the documents that follow the last successfully scanned document. 5. Enable the scanner. This section provides general recommendations regarding the impact of image file storage locations on the overall throughput of the scanner. You can receive up to four image files per document. Decisions about where to write these files when retrieving them from the scanner could impact the overall throughput of the scanner. In order to prevent overwriting data the scanner stops feeding paper when the internal image buffer is almost full. Scanning will not resume until enough images are retrieved by the host to clear sufficient buffer memory. In order to minimize the number of times this condition might occur, it is recommended that image files are written to a local hard drive in order to avoid the potential overhead of transferring files across the network to remote drives during scanning. 2-8 A-61504 October 2007

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2-8
A-61504
October 2007
Jam and fault
recovery
This section provides recommendations for application logic associated
with scanner jam and fault recovery.
If your scanner is enabled and you are polling when a document jam or
other fault occurs, use the following procedure to restart scanning.
IMPORTANT: Before beginning fault recovery, make sure all the
headers and images have been transferred from the
image buffer to the host system.
When a document jam or other fault occurs, the feeder and the
transport will stop and the scanner will be disabled.
1.
When all images have been retrieved from the scanner (image
buffer empty), display the last image retrieved for operator viewing.
2.
Use the image header of the last image retrieved to determine
sequential counter.
3.
Use the information above +1 to seed the sequential counter before
re-enabling the scanner.
4.
Instruct the operator to sort through the stack of documents being
scanned to find the document that produced the last successfully
scanned image. They must rescan all of the documents that follow
the last successfully scanned document.
5.
Enable the scanner.
Image file storage
locations
This section provides general recommendations regarding the impact
of image file storage locations on the overall throughput of the scanner.
You can receive up to four image files per document. Decisions about
where to write these files when retrieving them from the scanner could
impact the overall throughput of the scanner. In order to prevent
overwriting data the scanner stops feeding paper when the internal
image buffer is almost full. Scanning will not resume until enough
images are retrieved by the host to clear sufficient buffer memory. In
order to minimize the number of times this condition might occur, it is
recommended that image files are written to a local hard drive in order
to avoid the potential overhead of transferring files across the network
to remote drives during scanning.