Next – Canon MF4200 User Manual
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Q
Are you using a USB 2.0-compatible USB hub?
A
If you connect the machine to a USB 2.0-equipped
computer using a USB 2.0-compatible USB hub,
you may not be able to scan. In this case, connect
a USB cable directly to the computer.
A
If you connect the machine to a USB 2.0-equipped
computer, you may not be able to scan. If your PC
is equipped with two or more USB ports, try
connecting the machine to another USB port. If the
problem persists, follow the procedure below to
modify the INI file. It is recommended to make a
backup copy of the file before making any changes
to it.
1. Open the following file in Notepad or another text
editor application.
Windows 2000:
winnt\system32\CNCMFP32.INI
Windows XP/Vista:
windows\system32\CNCMFP32.INI
2. In the [ScanSize] section, change
“Read512Bytes=0” to “Read512Bytes=1,” then
save the file. Take care not to modify any other
parts.
Q
Have you specified the document source
correctly with the MF Toolbox, ScanGear MF, or
WIA driver?
A
Choose between placing the document on the
platen glass or in the ADF.
Q
After installing the software for this machine,
did you install a TWAIN-compatible
application?
A
The TWAIN system file is replaced with something
inappropriate and you will be unable to scan
images. If this happens, remove the software, then
reinstall it. (See “Software Settings with Computer,”
in the Starter Guide.)