Chapter 5 | Troubleshooting | ||
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5-1 Troubleshooting
This section describes the possible problems that might occur during use of the scanner and how to solve them.
The Scanner Does Not Turn ON ............................................................. | |
The Scanner Is Not Recognized (Connecting via USB).......................... | |
The PC Does Not Recognize the Scanner (Connecting via SCSI) ......... | |
Scanning Is Not Performed ..................................................................... | |
Slow Scanning Speed ............................................................................. | |
Documents Do Not Feed Properly .......................................................... | |
Saved Image Files Do Not Open ............................................................ | |
Scanning Results Are Not as Expected .................................................. |
If, after consulting this section, you still cannot resolve the problem, contact your local authorized Canon dealer or your service representative.
✘The Scanner Does Not Turn ON
Check the following if the scanner does not turn ON:
•Is the power cord connected correctly?
•Is the power cord inserted into the power outlet?
For details on connecting the power cord, see
✘The Scanner Is Not Recognized (Connecting via USB)
The following are possible causes of the PC failing to recognize the scanner. Check each possible cause.
| Problem | The scanner is not correctly connected. |
| Solution | Make sure that the scanner and the computer are correctly connected with the USB |
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| Problem | The scanner power is switched OFF. |
| Solution | Make sure that the scanner is switched ON. If the scanner is OFF, turn the scanner |
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| Problem | The scanner does not support your USB interface. |
| Solution | This product is not guaranteed to operate with all types of USB interfaces. Contact |
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| Problem | The scanner does not support the USB cable. |
| Solution | Use the USB cable provided with the scanner. |
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