Cannot Scan a Document
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NO
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Uninstall the scanner driver and install it again.
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YES
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YES
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You may not be able to use the scan function over an IPv6 connection. Use the function over a USB or IPv4 connection.
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NO
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NO
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Restart your computer.
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YES
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NO
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Install it.
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YES
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NO
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Register the machine.
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YES
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NO
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Reduce the number of computers connected to this machine over the network.
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YES
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NO
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Select the platen glass or feeder.
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YES
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NO
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Connect the USB cable directly to a computer and scan your document to see if it works properly. If the scan completes successfully, make sure that your USB hub or repeater works properly.
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YES
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YES
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Follow the steps in the procedure below:
Connect a USB cable directly to the computer.
If your computer has two or more USB ports, connect the machine to another USB port.
If the problem still persists, follow the steps in the procedure below to modify the INI file. We recommend that a backup copy of the file be created before modifying the file.
(1) Open the following files in Notepad or a text editor application.
Windows XP/Vista/7/8
windows\system32\CNCMFP46.INI (2) In the [ScanSize] section, change "Read512Bytes=0" to "Read512Bytes=1" and save the file. Do not modify any other parts.
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NO
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YES
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There is a possibility that TWAIN may have been replaced by a wrong one. If this happens, you are unable to perform a scan. To solve the problem, uninstall the software and install it again.
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NO
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NO
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Make sure the machine is recognized.
(1) Open the [Scanners and Cameras] folder or [Scanners and Cameras Properties] folder.
(2) The machine is recognized when the driver for the machine is displayed. If not, uninstall the software and install it again.
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