HP 7000 Document Troubleshooting, Scanner initialization or hardware problems, Reset the scanner

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5 Troubleshooting

This section contains solutions for common problems with the scanner.

Scanner initialization or hardware problems

Scanner operation problems

Scanner buttons are not working correctly

Scanner paper path problems

Contact HP Support

For additional troubleshooting, see the help for the HP scanning program that you are using. For more information, see Where to get additional information.

Scanner initialization or hardware problems

This section contains solutions for initialization and hardware problems.

Reset the scanner

Scanner has stopped working correctly

Check the cables

Reset the scanner

If you receive an error message similar to “Scanner initialization failed” or “Scanner not found” when trying to use the scanner, follow these steps:

1.Close the scanning software, if it is open.

2.Disconnect the USB cable that connects the scanner to the computer.

3.Turn the scanner off.

4.Shut down the computer operating system, turn the computer off, wait 60 seconds, and then turn the computer back on.

5.Turn the scanner on.

6.Reconnect the USB cable that connects the computer and the scanner, making sure that the USB cable is connected to the back of the scanner correctly.

After 30 seconds, the characters in the LCD panel should not be blinking. If the LCD panel characters are blinking, see the printed Setup and Support guide that came with the scanner.

Scanner has stopped working correctly

If the scanner stops scanning, follow these steps. After each step, start a scan to see if the scanner is working. If the problem persists, proceed with the next step.

1.A cable might be loose. Ensure that both the USB cable and power supply are properly connected.

2.Unplug the power cable from the power source, wait 60 seconds, and then plug it back in.

3.Restart your computer.

4.A software conflict might exist on your computer. You might need to uninstall and then reinstall the scanner software.

User Guide

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Contents HP Scanjet Page Contents What you can do with the scanner FeatureHP Scanjet 7800 Scanner User GuideScanner front panel buttons Scanner hardwareScanning software Power rocker switchCancel Button Settings Click Printable Setup and Support GuideSecond window Button Settings UtilityHP Smart Document Scan Software Main windowPrintable version of this guide Where to get additional informationHP Scanjet 7800 Setup and Support Guide Other software programsLCD Reader AccessibilityButton Disable Utility Screen-readable user guide in other languagesChapter Click Continue Set up profilesSet up a profile with HP Smart Document Scan Software Import and export profiles Assign profile numbers with the Button Settings UtilityModify a profile with HP Smart Document Scan Software User Guide Scan two-sided originals Scan and copyBasic scanning steps Basic copying stepsChoose acceptable paper Scan a card in the card slotLoad originals Load originals in the document feeder Copy button Use the scanner buttonsScan Document To button Scan from other software programs Button Settings buttonCancel button Scan from HP Smart Document Scan SoftwareClean the scanner glass Care and maintenanceButton Settings Utility General info tab Order maintenance and scanning suppliesUse the HP paper-path cleaning cloth Clean the feed-roller assembly manually Chapter Scanner has stopped working correctly TroubleshootingScanner initialization or hardware problems Reset the scannerAction Scanner operation problemsCheck the cables Cable typeScanned image is fuzzy Scanner will not turn onScanner lamp stays on Scanner does not scan right awayVertical white stripes appear on the printed An unexpected program opens when a button is pressedScanner buttons are not working correctly Scanned images are not straightPaper does not feed from the scanner Scanner paper path problemsPaper jamming, skewing, misfeeds, or multiple-page feeds Clear jams from the scanner paper path Bottom of the scanned image is cut offScanned images have streaks or scratches An item loaded in the scanner jams repeatedlyContact HP Support Replace the feed-roller assemblyChapter