Canon scanner CanoScan N650U User Manual

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Preferences
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General Settings
The General sheet provides details the name of the connected scanner,
its current status, and a button for diagnostic testing.
Executing a Diagnostic T est
Follow the procedure below to execute the scanner diagnostic test.
1.Click the Test Scanner button.
The scanner diagnostic test begins. If the test detects no problems,
a message will tell you that the scanner has passed the diagnostic
test.
2.Click the OK button....

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Events Settings
The Event sheet allows you to select the software application that you
want to start when you press the Start button on the front of the
scanner.
Scanner events
Selects the Start button on the front of the scanner.
Send to this application
The list box provides the names all of the TWAIN-compliant software
applications which can be started when you press the Start button on
the scanner. Click the check box on to select...

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Preferences Settings
When application hides the driver user interface
Some application softwares such as an OCR software will not display the
ScanGear CS-U main window while scanning. With such application
softwares, scanning is executed with the settings of the application
software so that the Color Mode setting cannot be changed.
In this setting sheet, placing a check mark in the check box of Color
(Documents) or Text Enhanced (OCR)...

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•None
No adjustment is made. Select this setting when you yourself will
adjust the image with the color adjustment function of the ScanGear
CS-U or with other graphic softwares.
Note
When you specify “Canon ColorGear Color Matching”
setting, the Auto Tone button will be grayed out and the
Tone sheet in the Advanced Mode will not be displayed.
Preview at opening of ScanGear CS-U
The preview opening settings determine what is displayed in...

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Color Management Settings
The Color Management sheet allows you to add or remove basic profiles
for Canon ColorGear Color Matching.
• Click the Canon ColorGear Color Matching check box on in the
Preferences sheet.
• The sRGB Color Space Profile is added automatically when
ScanGear CS-U is installed.
• If several profiles have been added, only the most recent profile
added is enabled.
• Even if you delete all profiles, the sRGB Color...

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7
Troubleshooting
Pre-Scan Checklist
How to Avoid Problems
Troubleshooting Checklist 

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Troubleshooting
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Pre-Scan Checklist
Perform the checks on this short list before you begin troubleshooting
specific problems.
•Make sure that the ScanGear CS-U software was installed
successfully.
•Confirm that the cables between your computer and scanner are
connected securely.
•Before scanning or previewing, check that the data source has
been selected. If your scanner does not appear as an option when
you select a TWAIN source to scan from your imaging...

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How to Avoid Problems
Here is some general advice on avoiding problems in your scanning jobs:
•Start with the best possible original image to scan.
•Select only the part of the image you want to scan. Preview the
image and select it with the Crop and Auto Crop buttons. Not only
does a more precise selection save file space, but your image
quality will be much higher.
•Check the output file size before beginning the scan. Make sure
you have...

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•If you are using OCR software, scan in Text Enhanced at 300 dpi or
higher.
•Take advantage of the preview feature and preview as much as you
want before scanning. 

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Troubleshooting Checklist
The scanner diagnostics test fails.
Problem:The Scanner Diagnostics test started with the Test Scanner
button on the Scanner sheet, returns a Test Failed
message.
Cause:The scanning unit may not be in its home position.
Solution:Close the ScanGear CS-U window if it is open. Try turning
the scanner off and back on again by unplugging and
plugging in the USB cable. Then restart your computer.
Colors not what you...