Canon printer PIXMA MG5721 User Manual

Cannot Scan Properly with Auto Scan
Check 1 Make sure that the items are placed correctly.
Positioning Originals (Scanning from Computer)
Check 2 Multiple item scanning may not be supported.
Some applications do not support multiple image scanning. In that case, scan each item individually.
871 

Slow Scanning Speed
Check 1 To view the image on a monitor, set the output resolution to around 150 dpi. To
print, set it to around 300 dpi.
Resolution
Check 2  Set Fading Correction , Grain Correction , etc. to None.
Refer to "Image Settings" for your model from Home of the  2QOLQH0DQXDO for details.
Check 3
 In IJ Scan Utility, deselect the  Correct slanted text document  / Detect the
orientation of text document and rotate image  checkbox and scan again.
Settings (Document Scan) Dialog Box...

"There is not enough memory." Message Is Displayed
Check 1 Exit other applications and try again.
Check 2 Reduce the resolution or output size and scan again.
Resolution
873 

Computer Stops Operating during Scanning
Check 1 Restart the computer, reduce the output resolution in ScanGear (scanner
driver) and scan again.
Refer to "Output Settings" for your model from Home of the  2QOLQH0DQXDO for details.
Check 2
 Delete unnecessary files to obtain sufficient free hard disk space, then scan
again.
Error message may appear if there is not enough hard disk space to scan and save, when the image size is too large (such as when scanning a large item at high resolution)....

Scanner Does Not Work after Upgrading Windows
Check Disconnect the USB cable, then uninstall (delete) and reinstall MP Drivers and IJ
Scan Utility.
Step 1: Uninstall MP Drivers.
Refer to "Deleting the Unnecessary MP Drivers" for your model from Home of the  2QOLQH0DQXDO for how to
delete MP Drivers.
Step 2: Uninstall IJ Scan Utility.

Step 3: Reinstall MP Drivers and IJ Scan Utility.
Reinstall MP Drivers and IJ Scan Utility from the Setup CD-ROM or the web page.
876 

Scanned Image Does Not Open
Check If the data format is not supported by the application, scan the image again and
select a popular data format such as JPEG when saving it.
Refer to the application's manual for details. If you have any questions, contact the manufacturer of the
application.
877 

Scan Results Are Unsatisfactory
Scan Quality (Image Displayed on the Monitor) Is Poor
Scanned Image Is Surrounded by Extra White Areas
Cannot Scan at the Correct Size
Position or Size of the Image Cannot be Detected Correctly When Scanning
from the Operation Panel
Original Is Placed Correctly, but the Scanned Image Is Slanted
Scanned Image Is Enlarged (Reduced) on the Computer Monitor
878 

Scan Quality (Image Displayed on the Monitor) Is Poor
Check 1 If the image is jagged, increase the scanning resolution, or select  TIFF or PNG
in  Data Format  of the Settings dialog box.
Resolution
Settings Dialog Box
Check 2
 Set the display size to 100 %.
Some applications do not display images clearly if the display size is too small.
Check 3  If moire (stripe pattern) appears, take the following measures and scan again.