If you have the scanner attached through an SCSI card and Windows 7 does not reliably see the scanner or does not see it at all here is the fix: Download Devcon.exe from Microsoft, a command line device utility. From the command prompt utility run Devcon.exe with the “rescan” argument listing the entire folder path to the command where Devcon.exe is installed on your machine. For example: C:\Users\Andrew\AppData\Local\Temp\i386\Devcon rescan As an alternative the command can be pated as above into a shortcut on your Windows 7 desktop and initiated at any time causing the system to find the scanner. You can also consider creating a batch command file that includes the driver to initiate the finding of the scanner and the opening of the scanning utility in one action. You can test the function of this fix by looking to see if the scanner shows up in the device list in the Control Panel’s Device manager, deleting the device and running the Devcon utility to reinstall it.
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