Common Problems and Solutions
This section provides recommended solutions to common problems.
If you have a problem that is not solved by the following, contact your local authorized Canon dealer.
Problem 1 | The scanner does not turn ON. |
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Solutions | (1) | The scanner remains OFF while the feed tray is closed. When you open the feed tray, the scanner turns ON automatically. | |
| (2) | If the scanner is connected to the computer via a USB hub, try removing the hub and connecting directly to the computer. | |
Problem 2 | The scanner is not recognized. |
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Solutions | (1) | Confirm that the scanner is properly connected to the computer with a USB cable. | |
| (2) | Confirm that the scanner is turned ON. See the previous problem (1) if the scanner does not turn ON. | |
| (3) | The computer’s USB interface may not support the scanner. The scanner cannot be guaranteed to work with all USB interfaces. | |
| (4) | Confirm that the supplied USB cable is used to connect the scanner to the computer. The scanner cannot be guaranteed to work | |
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| with all available USB cables. |
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| (5) | When the Auto Start switch on the scanner is set to ON, you can only scan with the | |
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| this case, scanning from applications on the computer is disabled. | |
| (6) | If “?”, “!”, or “x” icons appear for the scanner in Windows Device Manager, delete the scanner in Device Manager and reinstall | |
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| the scanner driver. |
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Problem 3 | CaptureOnTouch Lite does not start. |
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Solutions | (1) | If the Auto Start switch on the scanner is set to OFF, the | |
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| tray to turn OFF the scanner, and set the Auto Start switch to ON. | |
| (2) | CaptureOnTouch Lite does not start automatically in Windows 2000. Open the [ONTOUCHLITE] drive under [My Computer] in | |
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| Windows Explorer, and | (ONTOUCH.exe). Depending on settings for your operating system, CaptureOnTouch |
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| Lite may not start automatically in Windows Vista and Windows XP. Perform the same procedure as above to start | |
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| CaptureOnTouch Lite in this case. |
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| (3) | If access to USB devices is blocked by security software, you may not be able to use CaptureOnTouch Lite. | |
Problem 4 | The auto play screen appears when the scanner is connected, but you cannot scan with CaptureOnTouch. | ||
Solutions | When the Auto Start switch on the scanner is set to ON, you can only scan with the | ||
| the feed tray to turn OFF the scanner, and set the Auto Start switch to OFF. |
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