Canon i-SENSYS MF6140dn User Manual page 882

driver?
YES
Is your USB
hub or
repeater
working
properly?
YES
YES
Are you
using a
USB 2.0-
compatible
USB hub?
NO
YES
After
installing
the
software
that comes
with this
machine,
did you
install a
TWAIN-
compatible
application?
NO
Is the
machine
recognized
in
[Scanners
and
Cameras] in
Windows?
Downloaded from ManualsPrinter.com Manuals
NO 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.
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.
There is a possibility that TWAIN may have been replaced by a wrong one.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.
"MF Driver Installation Guide"
NO Make sure the machine is recognized.
(1) Open the [Scanners and Cameras] folder or [Scanners and Cameras Properties] folder.
"Basic Windows Operations"
(2) The machine is recognized when the driver for the machine is displayed. If not,
uninstall the software and install it again.
"MF Driver Installation Guide"