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          ScanGear CS 10.2.3.1 for 64-bit Edition
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                                         Copyright (C) 2006 Canon Inc.

o Microsoft and Windows are registered trademarks of Microsoft 
  Corporation in the U.S. and in other countries.
o Other company and product names may be trademarks and/or registered 
  trademarks in their respective countries.


1. ScanGear CS 10.2 Features

ScanGear CS 10.2 for Windows x64-bit Edition (hereafter referred to as 
"ScanGear CS") is a TWAIN-compliant scanner driver for Canon CanoScan 8400F
scanner. When this driver is selected from within a TWAIN-compliant 
32-bit application program, this scanner can be used to scan image data.


2. A General Tip on Usage

o Only run one application at a time that is actively linked to 
  ScanGear CS. Do not open more than one application that is actively 
  linked to ScanGear CS.
  Also, do not open ScanGear CS more than once to acquire an image in 
  the same application.

o If you scan a very large image at high resolution, some applications 
  may determine that there is not enough disk space to scan and save 
  the image, and will return an error. 

o If the image size is large, such as when you scan a large image at a 
  high resolution, for using some applications, the progress bar may 
  freeze at 0% due to limitations of the application.
  In this case, click the Cancel button on the progress bar, and then 
  select a smaller area or lower resolution and try scanning again.

o The TWAIN data source may not open correctly from time to time when 
  the system file is in the NTFS format. 
  For security reasons, the TWAIN module cannot be written to the 
  "winnt" directory. For details, contact your system administrator.

o Always close the ScanGear CS main window before you exit the parent 
  application program.
  
o The system administrator is required to install or uninstall ScanGear CS.
  
o The scanner button may not operate after you install the driver. In 
  this case, restart the system.

o When you preview or scan an image with a relatively uniform 
  background, the Auto Tone function may change its coloring. 
  If this occurs, reset the Auto Tone. 


3. Running ScanGear CS with Specific Applications

o Some applications may not use the functions of "Mulit-scan" or "Mulit-crop"
  because they cannot load multiple scanned images at same time.

o Some applications may close ScanGear CS automatically after scanning.

o Some application programs may hide the TWAIN user interface.
  In this case, refer to the application programer's manual to find 
  out the required setting changes to show the TWAIN user interface.


4. Notes when using the scanner after switching users in Windows XP/Windows Vista

o The scanner may be unable to operate if a large portion of the 
  system resources, such as the memory, is being used by another user. 
  In this case, close any programs that are open in the other user 
  environment before scanning.

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