Canon printer PIXMA MG7520 User Manual
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Problems with Scanning Problems with Scanning Scan Results Not Satisfactory Software Problems 871
Problems with Scanning Scanner Does Not Work ScanGear (Scanner Driver) Does Not Start Error Message Appears and the ScanGear (Scanner Driver) Screen Does Not Appear Cannot Scan Multiple Items at One Time Cannot Scan Properly with Auto Scan Slow Scanning Speed "There is not enough memory." Message Is Displayed Computer Stops Operating during Scanning Scanner Does Not Work after Upgrading Windows Scanned Image Does Not Open 872
Scanner Does Not Work Check 1 Make sure that your scanner or printer is turned on. Check 2 Connect the USB cable to a different USB port on the computer. Check 3 If the USB cable is connected to a USB hub, remove it from the USB hub and connect it to a USB port on the computer. Check 4 Restart the computer. 873
ScanGear (Scanner Driver) Does Not Start Check 1 Make sure that MP Drivers is installed. If not installed, install MP Drivers from the Setup CD-ROM or the web page. Check 2 Select your scanner or printer on the application's menu. Important • If your scanner or printer name is displayed multiple times, select the one that does not include WIA. Note • The operation may differ depending on the application. • Use the WIA driver when scanning from a WIA-compliant application. Scanning with WIA Driver Check 3 Make sure that the application supports TWAIN. You cannot start ScanGear (scanner driver) from applications not supporting TWAIN. Check 4 Scan and save images with IJ Scan Utility and open the files in your application. 874
Error Message Appears and the ScanGear (Scanner Driver) ScreenDoes Not Appear Check 1 Make sure that your scanner or printer is turned on. Check 2 Turn off your scanner or printer, then reconnect the USB cable and replug the power cord. Check 3 Connect the USB cable to a different USB port on the computer. Check 4 If the USB cable is connected to a USB hub, remove it from the USB hub and connect it to a USB port on the computer. Check 5 Make sure that MP Drivers is installed. If not installed, install MP Drivers from the Setup CD-ROM or the web page. Check 6 Select your scanner or printer on the application's menu. Note • The operation may differ depending on the application. Check 7 Make sure that the application supports TWAIN. You cannot start ScanGear (scanner driver) from applications not supporting TWAIN. Check 8 Exit ScanGear if it is running on another application. 875
Cannot Scan Multiple Items at One Time Check 1 Make sure that the items are placed correctly. Placing Items (When Scanning from a Computer) Check 2 Check if you can properly scan one item. Some applications do not support multiple image scanning. In that case, scan each item individually. 876
Cannot Scan Properly with Auto Scan Check 1 Make sure that the items are placed correctly. Placing Items (When Scanning from a Computer) Check 2 Multiple items scanning may not be supported. Some applications do not support multiple image scanning. In that case, scan each item individually. 877
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 Online Manual 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 Settings (Custom Scan) Dialog Box 878
"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 879
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 Online Manual 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). Check 3 In Folder to Save Temporary Files of IJ Scan Utility, specify a folder on a drive with sufficient free space. Settings (General Settings) Dialog Box Check 4 Multiple devices may be connected to USB ports. Disconnect devices other than your scanner or printer. 880