The HP Scanjet scanner stops working or has never worked correctly when using a USB connection. When scanning using HP Director software or HP Precisionscan software, one or more of the following initialization error messages, conditions, or other symptoms might be received:
SAMPLE ERROR MESSAGES
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The computer cannot communicate with the scanner.
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The scanner could not be found.
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An internal error has occurred.
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Sorry, scanner could not be initialized. (Scanner not found.)
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Error! An error occurred communicating with the scanning device. Please ensure that the scanning device is connected properly and try again.
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hp scanning "An Unexpected internal error has occurred. Close the program, and then try one of the following: - Restart the program. - Restart the PC and then try again. - Reinstall the scanning software and try again."
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hp scanning "The scanner could not be initialized because it was not found. Please check if the scanner's power cord and cable are properly attached and plugged in. Refer to HP service and support information on the Web for more help with this error. The scanning software may be installed improperly, or there may be a device conflict."
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hp scanning "The scanner could not scan. If 22 is blinking in the scanner's LCD, the problem is with the TMA; see Troubleshooting the scanner electronic help. If 22 is not blinking, please call HP Customer Support when the TMA is not attached to the scanner."
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"Failure to communicate with scanner. Be sure that the scanner is on and properly connected [1215]."
OTHER ERROR CONDITIONS OR SYMPTOMS
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After the computer goes into standby mode or is restarted, then the scanner cannot communicate.
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HP Director does not have a scan option and only has options to View and Print or Help.
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In the Windows Device Manager, the HP Scanjet scanner might not display or it might display in any of the following ways:
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As the Scanjet model number under the Imaging Devices category.
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As an Unknown Device under the Universal Serial Bus Controllers category.
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As an Other Device under the Other Devices category.
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As the Scanjet model number with an "!", or "?" under the Imaging Devices category.
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to automatically diagnose and resolve printer hardware and connection issues.
