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General Notes (Scanner Driver)
The scanner driver is subject to the following restrictions. Keep these points in mind when using the scanner
driver.
Scanner Driver Restrictions
• If the computer is shared among multiple users or when you have logged out and back on, a message
indicating that the scanner driver is in use may appear. In that case, disconnect the USB cable from
the computer, then reconnect it.
• Scanning may fail if the computer has resumed from sleep state with the scanner driver active. In that
case, exit the scanner driver. Disconnect the USB cable from the computer, then reconnect it.
• Do not connect two or more scanners or multifunction printers with scanner function to the same
computer simultaneously. If multiple scanning devices are connected, you cannot scan using the
scanner buttons of the machine and also may experience errors while accessing the devices.
• Make sure that you have adequate disk space available when scanning large images at high
resolutions. For example, at least 300 MB of free space is required to scan an A4 document at 600
dpi in full-color.
• Thick items may not be cropped correctly when scanned. In that case, crop each item individually or
crop manually.
• Do not enter the computer into sleep or hibernate state during scanning.
• Calibration may take time if the machine is connected via USB1.1.
• Scanning may continue after scanning is completed when a scanner button on the machine is
continuously pressed.
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