The PC Does Not Recognize the Scanner
(Connecting via USB 2.0)
The following are possible causes of the PC failing to recognize the scanner. Check each possible cause.
Cause | The scanner is not connected correctly. |
Remedy | Check the USB cable connections between the scanner and the |
| PC. (See “Connecting USB Interface,” on p. 23.) |
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Cause | The USB 2.0 interface card is not inserted in the PC |
| correctly. |
Remedy | Reseat the USB 2.0 interface card on the PC correctly referring to |
| the instruction manual for the USB 2.0 interface card. Also, |
| confirm whether the USB interface card is recognized by the |
| operating system (Windows) you are using. |
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Cause | The scanner is not ON. |
Remedy | Refer to “The Scanner Does Not Turn On,” on p. 81 and maker |
| sure that the scanner is turned ON. If the scanner is not turned |
| ON, turn it ON. (See p. 25.) |
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Cause | The USB 2.0 interface card does not support the scanner. |
Remedy | Use a recommended USB 2.0 interface card. (See “USB 2.0 |
| Interface Card,” on p. 19.) |
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Cause | The scanner does not support the USB cable. |
Remedy | Use the USB cable provided with the scanner. (See p. 23.) |
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Cause | The scanner does not support the USB HUB. |
Remedy | Remove the USB HUB to use the scanner. (See p. 23.) |
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84Troubleshooting