MP450 User's Guide
Page 116
... Temporary Files are Saved] category to a different USB port on the computer itself (not the hub). Insufficient hard disk space. Problems With Scanning Scanner Won't Work Cause Machine is not installed. Action Restart the computer. Then confirm that the machine is identified. ScanGear ...MP Won't Start Cause Scanner driver (ScanGear MP) is not identified. Action Set the "Setup CD-ROM" in your machine following the directions in Scanning with ScanGear...
... Temporary Files are Saved] category to a different USB port on the computer itself (not the hub). Insufficient hard disk space. Problems With Scanning Scanner Won't Work Cause Machine is not installed. Action Restart the computer. Then confirm that the machine is identified. ScanGear ...MP Won't Start Cause Scanner driver (ScanGear MP) is not identified. Action Set the "Setup CD-ROM" in your machine following the directions in Scanning with ScanGear...